Skip to content

Hostname

seo23.de

Last fetched

seo23.de resolves to 149.126.4.47, announced in 149.126.0.0/21 by CYON - cyon AG in CH. seo23.de 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 · seo23.deRouting diversity1.5/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/seo23.de

Resolution chain

IPv6 resolution

Attribution

cyon

MAIL_RECEIVER, ORIGIN_AS

WHOIS identity

WhisperGraph holds no WHOIS registrar, registrant organisation or contact email for seo23.de. WHOIS is recorded against the registrable domain, so a subdomain such as a www. host carries none of its own — check the registrable domain for this name.

Subdomains

Subdomain
mail.seo23.de
www.seo23.de

Showing 2 of 2 subdomains (2 per page).

Mail and authentication

Nameservers

  • ns1.cyon.ch
  • ns2.cyon.ch

MX records

  • seo23.de

SPF policy

  • ip: 149.126.0.0/21
  • ip: 194.126.200.0/24
  • a: seo23.de
  • mx: seo23.de

Threat-feed evidence

History

Related pages

Pivot from seo23.de 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: "seo23.de"})-[: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.