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Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

sieveonline.org runs on Hetzner, with email configured.

Hosting network
HetznerAS24940Hetzner
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,999+ other sites on Hetzner. Stable here since we started watching (Jul 21, 2026).

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

DNS Records for sieveonline.org

HostnameTypeTTLPriorityContent
sieveonline.orgNS0ns2.imcnet.it
sieveonline.orgNS0ns1.imcnet.it
sieveonline.orgSOA86400ns1.imcnet.it server.supporthost.com 2026060301 3600 1800 1209600 86400
sieveonline.orgMX040mxbackup1.svrsh.com
sieveonline.orgMX050mxbackup2.svrsh.com
sieveonline.orgMX0mail.sieveonline.org
sieveonline.orgA023.88.65.211
sieveonline.orgTXT0v=spf1 ip4:23.88.65.211 ip4:176.9.140.144 +a +mx +ip4:94.130.172.44 ~all
www.sieveonline.orgNS0ns2.imcnet.it
www.sieveonline.orgNS0ns1.imcnet.it
www.sieveonline.orgSOA86400ns1.imcnet.it server.supporthost.com 2026060301 3600 1800 1209600 86400
www.sieveonline.orgMX0mail.sieveonline.org
www.sieveonline.orgMX040mxbackup1.svrsh.com
www.sieveonline.orgMX050mxbackup2.svrsh.com
www.sieveonline.orgTXT0v=spf1 ip4:23.88.65.211 ip4:176.9.140.144 +a +mx +ip4:94.130.172.44 ~all
www.sieveonline.orgA023.88.65.211
www.sieveonline.orgCNAME0sieveonline.org

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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