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Languages English (en)
Users 15,285
Active users (last month) 1,805
Active users (last six months) 4,702
Characters per post (max) 2,000
Known instances 37,725
First sight Nov 16, 2022 UTC
Last successful check Apr 2, 2025 UTC
Noxious No
New No
Software Mastodon 4.3.6
Registrations Open
Meta’s Threads moderation Threads is neither suspended nor limited, according to this instance’s list of moderated instances.
Most used hashtags (last week) corybooker, aprilfools, aprilfoolsday, medievalbreakupsongsorpoems, judgementalfortunecookies, filibuster, MardiPatisserie, tunetuesday, StormyNights, booker
Short description
DEFCON.social = The intersection of technology and society, a community for artists, hackers, policy, academics, researchers, infosec, activists & cyberpunks
Long description
At DEFCON.social it’s not about how you look or how hard you meme but about your ideas, observations, and what kind of person you are that matters. Explore serious issues, ask questions, say what's on your mind and make friends along the way.

The DEFCON.social support website is here:
https://www.defcon.social

More information about us:
https://defcon.org/
https://media.defcon.org/
https://reddit.com/r/defcon
https://en.wikipedia.org/wiki/DEF_CON

DMCA Information:
https://defcon.org/html/links/dc-dmca.html
Instance rules
  1. No toxic behavior
  2. Don't break laws here
  3. Pornography, Nudity, Gore, illegal content, spam & commercial advertising are forbidden
  4. No impersonation or undeclared automated accounts
  5. You must be at least 13 years old
Moderated instances [?]
  1. *.10minutepleroma.com: suspended (reason: From mastodon.social)
  2. 9yo.punipoka.pink: suspended (reason: iftas:csam)
  3. a.sc: suspended (reason: due to Hate speech)
  4. abraham.su: suspended
  5. ac.akirin.xyz: suspended (reason: Part of the SPAM wave of 2024 November 3-4)
  6. activitypub-troll.cf: suspended (reason: Alleged abuse)
  7. ak.parcero.casa: suspended
  8. amala.schwartzwelt.xyz: suspended (reason: amala.schwartzwelt.xyz)
  9. annihilation.social: suspended (reason: Unmoderated)
  10. asbestos.cafe: suspended (reason: iftas:hate-speech troll)
  11. bae.st: suspended (reason: due to Inappropriate content)
  12. bajax.us: suspended (reason: bajax.us)
  13. baraag.net: suspended (reason: Loli)
  14. beefyboys.win: suspended (reason: due to Hate speech)
  15. beta.birdsite.live: suspended (reason: due to Third-party bots)
  16. beta.mstdn.cf: suspended (reason: due to Third-party bots)
  17. bgzashtita.es: limited (reason: due to Misinformation)
  18. birb.elfenban.de: suspended (reason: due to Third-party bots)
  19. bird.evilcyberhacker.net: suspended (reason: due to Third-party bots)
  20. bird.froth.zone: suspended (reason: due to Third-party bots)
  21. bird.istheguy.com: suspended (reason: due to Third-party bots)
  22. bird.r669.live: suspended (reason: due to Third-party bots)
  23. birdbots.leptonics.com: suspended (reason: due to Third-party bots)
  24. birdbridge.autonomy.earth: suspended (reason: due to Third-party bots)
  25. birdsite.b93.dece.space: suspended (reason: due to Third-party bots)
  26. birdsite.cloutier.co: suspended (reason: due to Third-party bots)
  27. birdsite.darkesttimeline.social: suspended (reason: due to Third-party bots)
  28. birdsite.frog.fashion: suspended (reason: due to Third-party bots)
  29. birdsite.gabeappleton.me: suspended (reason: due to Third-party bots)
  30. birdsite.gred.al: suspended (reason: due to Third-party bots)
  31. birdsite.james.moody.name: suspended (reason: due to Third-party bots)
  32. birdsite.jemverse.xyz: suspended (reason: due to Third-party bots)
  33. birdsite.link: suspended (reason: due to Third-party bots)
  34. birdsite.mastodon.me.uk: suspended (reason: due to Third-party bots)
  35. birdsite.monster: suspended (reason: due to Third-party bots)
  36. birdsite.nytpu.com: suspended (reason: due to Third-party bots)
  37. birdsite.oliviaappleton.com: suspended (reason: due to Third-party bots)
  38. birdsite.skye.cx: suspended (reason: due to Third-party bots)
  39. birdsite.slashdev.space: suspended (reason: due to Third-party bots)
  40. birdsite.spectreos.de: suspended (reason: due to Third-party bots)
  41. birdsite.tcjc.uk: suspended (reason: due to Third-party bots)
  42. birdsite.thorlaksson.com: suspended (reason: due to Third-party bots)
  43. birdsite.toot.si: suspended (reason: due to Third-party bots)
  44. birdsite.vrparty.social: suspended (reason: due to Third-party bots)
  45. birdsite.wilde.cloud: suspended (reason: due to Third-party bots)
  46. birdsitelive.bubbletea.dev: suspended (reason: due to Third-party bots)
  47. birdsitelive.loca.lt: suspended (reason: due to Third-party bots)
  48. birdsitelive.moistgarbage.info: suspended (reason: due to Third-party bots)
  49. birdsitelive.treffler.cloud: suspended (reason: due to Third-party bots)
  50. brands.town: suspended (reason: due to Spam)
  51. breastmilk.club: suspended (reason: Racism)
  52. bridge.birb.space: suspended (reason: due to Third-party bots)
  53. brighteon.social: suspended (reason: due to Conspiracy theories)
  54. bsd.moe: limited (reason: due to Harassment)
  55. catgirl.life: suspended (reason: due to Harassment)
  56. cawfee.club: suspended (reason: due to Hate speech)
  57. chickenfan.club: suspended (reason: due to Violent extremism)
  58. chudbuds.lol: suspended (reason: due to Highly offensive and violent hate speech instance)
  59. clew.lol: suspended
  60. clubcyberia.co: suspended (reason: clubcyberia.co)
  61. cnet.site: suspended (reason: due to Harassment)
  62. coom.club: suspended (reason: due to Harassment)
  63. crlf.ninja: suspended (reason: crlf.ninja)
  64. cum.camp: suspended (reason: iftas:hate-speech;online-harassment)
  65. cum.desupost.soy: suspended (reason: due to Hate speech)
  66. cum.salon: suspended (reason: due to Hate speech)
  67. cyberstorm.one: suspended (reason: due to Hate speech)
  68. daffodil-11.org: suspended (reason: due to Spam)
  69. dark.doompill.com: suspended (reason: dark.doompill.com)
  70. detroitriotcity.com: suspended (reason: due to Hate speech)
  71. dlf.social: suspended (reason: due to Inappropriate content)
  72. eientei.org: suspended (reason: due to Hate speech)
  73. eveningzoo.club: suspended (reason: due to Hate speech)
  74. fedi.app: suspended (reason: due to Harassment)
  75. fedi.pawlicker.com: suspended (reason: fedi.pawlicker.com)
  76. feminism.lgbt: suspended (reason: due to Harassment)
  77. feral.cafe: suspended (reason: Zoosexuality Bestiality)
  78. firebird.mullet.social: suspended (reason: due to Third-party bots)
  79. fr13nd5.com: limited (reason: due to Misinformation)
  80. freeatlantis.com: limited (reason: due to Misinformation)
  81. freecumextremist.com: suspended (reason: due to Hate speech)
  82. freespeechextremist.com: suspended (reason: due to Hate speech)
  83. freezepeach.xyz: limited (reason: due to Harassment)
  84. frennet.xyz: suspended (reason: due to Hate speech)
  85. gab.ai: suspended (reason: due to Harassment)
  86. gab.com: suspended (reason: due to Harassment)
  87. gameliberty.club: suspended (reason: due to Bot that announces blocks)
  88. getgle.org: suspended (reason: due to Hate speech)
  89. gitmo.life: suspended (reason: due to Hate speech)
  90. gleasonator.com: suspended (reason: due to Transphobia)
  91. glindr.org: suspended (reason: due to Transphobia)
  92. glowers.club: suspended (reason: due to Hate speech)
  93. h5q.net: suspended (reason: iftas:csam)
  94. honkwerx.tech: suspended (reason: due to Hate speech)
  95. hunk.city: suspended (reason: due to Spam)
  96. iddqd.social: suspended (reason: due to Harassment)
  97. imouto.exposed: suspended (reason: iftas:csam)
  98. intkos.link: suspended (reason: due to Hate speech)
  99. jaeger.website: suspended (reason: due to Harassment)
  100. kiwifarms.cc: suspended (reason: due to Harassment)
  101. kiwifarms.is: suspended (reason: due to Harassment)
  102. kiwifarms.net: suspended (reason: due to Harassment)
  103. krdtube.org: limited (reason: due to Misinformation)
  104. kurosawa.moe: suspended (reason: due to Hate speech)
  105. leafposter.club: suspended (reason: due to Hate speech)
  106. loli.church: suspended (reason: Racism, Loli)
  107. masochi.st: suspended (reason: due to Unmoderated racism and hate speech)
  108. mastinator.com: suspended (reason: Disposable public anonymous no-login Fediverse accounts. Blocking while we assess any privacy implications.)
  109. mastodonhub.com: suspended (reason: due to Mirroring other Mastodon accounts without permission)
  110. merovingian.club: suspended (reason: merovingian.club)
  111. milker.cafe: suspended (reason: due to An instance dedicated to bots that autopost animated/anime porn. Pretty massive draw on resources at best. Going to get someone fired for what’s in the timeline at worst.)
  112. miss.mouse.services: suspended (reason: miss.mouse.services)
  113. misskey-forkbomb.cf: suspended (reason: Alleged abuse)
  114. misskey.gfserver.jp: suspended
  115. monads.online: suspended (reason: due to Violent extremism)
  116. monstergirl.space: suspended (reason: due to Hate speech)
  117. mouse.services: suspended (reason: due to Harassment)
  118. mstdn.foxfam.club: limited (reason: due to Third-party bots)
  119. mugicha.club: suspended (reason: due to Hate speech)
  120. nicecrew.digital: suspended (reason: due to Hate speech)
  121. noagendasocial.com: limited (reason: due to Harassment)
  122. ns.auction: suspended (reason: due to Hate speech)
  123. outpoa.st: suspended (reason: due to Hate speech)
  124. pawoo.net: limited (reason: due to Inappropriate content)
  125. paypig.org: suspended (reason: due to Hate speech)
  126. pieville.net: suspended (reason: due to Harassment)
  127. pisskey.io: suspended (reason: due to Hate speech)
  128. pleroma.fun: suspended (reason: due to Hate speech)
  129. pleroma.kitsunemimi.club: suspended (reason: due to Hate speech)
  130. pleroma.nobodyhasthe.biz: suspended (reason: pleroma.nobodyhasthe.biz)
  131. poa.st: suspended (reason: due to Hate speech)
  132. poast.org: suspended (reason: iftas:hate-speech;online-harassment)
  133. poast.tv: suspended (reason: iftas:tvec)
  134. pooper.social: suspended (reason: due to Hate speech)
  135. poster.place: suspended (reason: due to Highly offensive content)
  136. rakket.app: suspended (reason: due to Hate speech)
  137. randland.party: suspended (reason: randland.party)
  138. rape.net: suspended (reason: Self explanitory)
  139. raplst.town: suspended (reason: due to Harassment)
  140. rdrama.cc: suspended (reason: due to Hate speech)
  141. repl.co: suspended (reason: Alleged abuse)
  142. ryona.agency: suspended (reason: due to Hate speech)
  143. schwartzwelt.xyz: suspended (reason: due to Hate speech)
  144. seal.cafe: suspended (reason: due to Hate speech)
  145. shitpisscum.mooo.com: suspended (reason: due to Hate speech)
  146. shitpost.cloud: suspended (reason: shitpost.cloud)
  147. shitpost.poridge.club: suspended (reason: Troll)
  148. shitposter.club: limited (reason: due to Harassment)
  149. shitposter.world: suspended
  150. shitposting.army: suspended (reason: due to Hate speech)
  151. shortstackran.ch: suspended (reason: due to Hate speech)
  152. shota.house: suspended
  153. shrike.club: suspended (reason: shrike.club)
  154. sinblr.com: limited (reason: due to Spam)
  155. skinheads.network: suspended (reason: Hate speech)
  156. sleepy.cafe: suspended (reason: due to Hate speech)
  157. snarfed.org: suspended (reason: Bridge to BlueSky)
  158. sneed.social: suspended (reason: due to Hate speech)
  159. social.cutefunny.net: suspended (reason: Too much spam.)
  160. social.freysa.ai: suspended (reason: Full of automated AI personalities)
  161. social.handholding.io: suspended (reason: social.handholding.io)
  162. social.mcjarbo.com: suspended (reason: social.mcjarbo.com)
  163. social.projectsegfau.lt: suspended (reason: due to Spam)
  164. social.quodverum.com: limited (reason: due to Misinformation and conspiracy theories)
  165. solagg.com: suspended (reason: due to Spam)
  166. sperg.city: suspended (reason: sperg.city)
  167. spinster.xyz: suspended (reason: due to Transphobia)
  168. switter.at: suspended (reason: due to Preparing for announced shutdown)
  169. takesama.com: suspended (reason: https://takesama.com/whitepapers/takesama_bot)
  170. tastingtraffic.net: suspended (reason: due to Spam)
  171. the.asbestos.cafe: suspended (reason: iftas:hate-speech troll)
  172. tickler.cc: suspended (reason: PArt of the SPAM wave in 2024 November 3-4)
  173. toot.love: limited (reason: due to Harassment)
  174. trayvonmart.in: suspended (reason: trayvonmart.in)
  175. troll.cafe: suspended (reason: due to Part of free/hate speech network)
  176. truthsocial.co.in: suspended (reason: due to Hosts far right content, offensive racial memes, hate speech, and clearly attempting to out MAGA truthsocial.com)
  177. tuusin.misono-ya.info: suspended (reason: tuusin.misono-ya.info)
  178. twi.social: suspended (reason: iftas:csam)
  179. twitiverse.com: suspended (reason: due to Third-party bots)
  180. twitter.1d4.us: suspended (reason: due to Third-party bots)
  181. twitter.activitypub.actor: suspended (reason: due to Third-party bots)
  182. twtr.carnivore.social: suspended (reason: due to Third-party bots)
  183. twtr.plus: suspended (reason: due to Third-party bots)
  184. twtr.vrij.social: suspended (reason: due to Third-party bots)
  185. twtr.wappie.land: suspended (reason: due to Third-party bots)
  186. urchan.org: suspended (reason: due to Hate speech)
  187. usasa.ky: suspended (reason: Involced in big spam activity 2024 November 3-4)
  188. varishangout.net: suspended (reason: due to Admin uses hate speech)
  189. wagesofsinisdeath.com: suspended (reason: due to Harassment)
  190. waifu.social: suspended (reason: due to Harassment)
  191. waifuappreciation.club: suspended (reason: due to Harassment)
  192. weedis.life: suspended (reason: due to Spam)
  193. wolfgirl.bar: suspended (reason: Racism)
  194. workers.dev: suspended (reason: due to Botnet)
  195. www.librepunk.club: limited (reason: www.librepunk.club)
  196. yggdrasil.social: suspended (reason: due to Hate speech)
  197. zztails.gay: suspended (reason: due to Hate speech)
Instances certainly moderating this instance [?]
  1. bdsm-jp.club: limitation
  2. cubsex.pictures: suspension
  3. fediverse.xavin.net: limitation
  4. mytter.jp: suspension
Admin account support@defcon.social
Date of creation Nov 14, 2022 UTC
Display name support@defcon.social
Bio
The official Support account for DEFCON.social
Statistics
Last 12 weeks activity (totals: 45221 statuses, 12479 logins, 935 registrations)
S: 3670
L: 1099
R: 90
S: 5091
L: 1130
R: 125
S: 4404
L: 1098
R: 89
S: 3944
L: 1116
R: 87
S: 3807
L: 1114
R: 97
S: 3813
L: 1127
R: 95
S: 4127
L: 1095
R: 71
S: 4259
L: 1094
R: 66
S: 3939
L: 1100
R: 68
S: 3665
L: 1051
R: 71
S: 3901
L: 999
R: 67
S: 601
L: 456
R: 9
Last checks (green: OK; red: KO)
3/26/25, 2:40:33 AM UTC3/27/25, 3:59:23 AM UTC3/28/25, 2:36:17 AM UTC3/29/25, 2:57:11 AM UTC3/30/25, 1:08:15 AM UTC3/31/25, 3:18:19 AM UTC4/1/25, 4:04:24 AM UTC4/2/25, 2:21:54 AM UTC
Succesful checks: 796/801 (99.38%)