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Hostname

postcarbon.org

Last fetched

postcarbon.org resolves to 104.21.60.168, announced in 104.21.48.0/20 by CLOUDFLARENET - Cloudflare, Inc. in CA. postcarbon.org is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this
0
Verdict coverage
known-clean

Nutrition Label

WHISPER CANON · postcarbon.orgRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/postcarbon.org

Resolution chain

IPv6 resolution

Attribution

Cloudflare

cdn · ORIGIN_AS, CDN

WHOIS identity

Registrar
iana:146
Registrant organisation
domains by proxy,
Contact emails
webmaster@postcarbon.org

Subdomains

Subdomain
dev.postcarbon.org
ftp.postcarbon.org
liminality.postcarbon.org
mmemail.postcarbon.org
power.postcarbon.org
staging.postcarbon.org
www.postcarbon.org

Showing 7 of 8. View all subdomains →

Web-graph footprint

Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.

Sample inbound links

Mail and authentication

Nameservers

  • chloe.ns.cloudflare.com
  • elmo.ns.cloudflare.com

MX records

  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • aspmx4.googlemail.com
  • aspmx5.googlemail.com

SPF policy

  • ip: 204.220.176.0/20
  • ip: 161.38.192.0/20
  • ip: 159.135.224.0/20
  • ip: 159.112.240.0/20
  • ip: 69.72.32.0/20
  • ip: 198.244.48.0/20
  • ip: 204.220.160.0/21
  • ip: 204.220.168.0/21
  • ip: 143.55.224.0/21
  • ip: 87.253.232.0/21
  • ip: 185.211.120.0/22
  • ip: 161.38.204.0/22
  • ip: 143.55.232.0/22
  • ip: 185.189.236.0/22
  • ip: 185.250.236.0/22
  • ip: 143.55.236.0/22
  • ip: 198.244.60.0/22
  • ip: 166.78.68.0/22
  • ip: 104.130.122.0/23
  • ip: 192.237.158.0/23
  • ip: 23.253.182.0/23
  • ip: 198.61.254.0/23
  • ip: 141.193.32.0/23
  • ip: 146.20.113.0/24
  • ip: 209.61.151.0/24
  • ip: 146.20.191.0/24
  • ip: 146.20.112.0/26
  • ip: 104.130.96.0/28
  • ip: 159.135.132.128/25
  • ip: 159.135.140.80/29
  • include: _spf.google.com
  • include: spf.mandrillapp.com
  • a: postcarbon.org
  • mx: postcarbon.org

Threat-feed evidence

History

Related pages

Pivot from postcarbon.org into the addresses, networks and registries it depends on.

Cypher and MCP

Reproduce this hostname's resolution chain against graph.whisper.security:

MATCH (h:HOSTNAME {name: "postcarbon.org"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.