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Hosting & Network

sf.hamburg runs on AS15817, with email configured.

Hosting network
AS15817AS15817
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,643 other sites on AS15817. Stable here since we started watching (Jul 24, 2026).

The apex and www are the same hosting — the apex via A records, www via a CNAME to sf.hamburg.

DNS Records for sf.hamburg

HostnameTypeTTLPriorityContent
sf.hamburgMX010sf-hamburg.gate.seppmail.cloud
sf.hamburgNS0ns02.dokumenta.net
sf.hamburgNS0ns01.dokumenta.net
sf.hamburgNS0dokudns.dokumenta.net
sf.hamburgNS0dokudns01.dokumenta.net
sf.hamburgSOA43200ns01.dokumenta.net dnsmaster.dokumenta.net 2026072201 43200 720 2419200 43200
sf.hamburgTXT0knowbe4-site-verification=f2e4351e098b3f08af74ee24fc2a5222
sf.hamburgTXT0v=spf1 include:_spf.de.seppmail.cloud include:_spf_eucentral1.prod.hydra.sophos.com include:agenturserver.de include:spf.talention.com ~all
sf.hamburgTXT0sophos-domain-verification=8065923d43e65280dd8faced8db64b792f003284
sf.hamburgTXT0sophos-domain-verification=eb14175c5e2a7226c16833f87065dddf94bf75a914487c5c47e23d952e6e6458
sf.hamburgTXT0hyh1wd2x7wt98727b17m3g4sr8dnyj9f
sf.hamburgA0185.166.20.240
www.sf.hamburgSOA43200ns01.dokumenta.net dnsmaster.dokumenta.net 2026072201 43200 720 2419200 43200
www.sf.hamburgNS0dokudns01.dokumenta.net
www.sf.hamburgNS0dokudns.dokumenta.net
www.sf.hamburgNS0ns01.dokumenta.net
www.sf.hamburgNS0ns02.dokumenta.net
www.sf.hamburgMX010sf-hamburg.gate.seppmail.cloud
www.sf.hamburgCNAME0sf.hamburg
www.sf.hamburgA0185.166.20.240
www.sf.hamburgTXT0hyh1wd2x7wt98727b17m3g4sr8dnyj9f
www.sf.hamburgTXT0knowbe4-site-verification=f2e4351e098b3f08af74ee24fc2a5222
www.sf.hamburgTXT0sophos-domain-verification=8065923d43e65280dd8faced8db64b792f003284
www.sf.hamburgTXT0v=spf1 include:_spf.de.seppmail.cloud include:_spf_eucentral1.prod.hydra.sophos.com include:agenturserver.de include:spf.talention.com ~all
www.sf.hamburgTXT0sophos-domain-verification=eb14175c5e2a7226c16833f87065dddf94bf75a914487c5c47e23d952e6e6458

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About DNS Records

DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:

  • SOA (Start of Authority) - Contains administrative information about the zone
  • NS (Nameserver) - Specifies authoritative nameservers for the domain
  • A (Address) - Maps a domain to an IPv4 address
  • AAAA - Maps a domain to an IPv6 address
  • CNAME (Canonical Name) - Creates an alias pointing to another domain
  • MX (Mail Exchange) - Specifies mail servers for the domain