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Hosting & Network
dcmtk.org runs on AS680, with email configured.
- Hosting network
- AS680AS680
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 7,447 other sites on AS680. Stable here since we started watching (Oct 8, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to webproxy.offis.de.
DNS Records for dcmtk.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| dcmtk.org | NS | 0 | ns3.domaindiscount24.net | |
| dcmtk.org | NS | 0 | ns1.domaindiscount24.net | |
| dcmtk.org | NS | 0 | ns2.domaindiscount24.net | |
| dcmtk.org | TXT | 0 | _zjprkzvrj5npwh6wqxbgtxql1tsb34c | |
| dcmtk.org | TXT | 0 | v=spf1 ip4:134.106.0.0/16 ~all | |
| dcmtk.org | TXT | 0 | _slefx28l4d9yf56a0rbyv8jdgi3ciyd | |
| dcmtk.org | A | 0 | 134.106.57.25 | |
| dcmtk.org | A | 0 | 134.106.57.24 | |
| dcmtk.org | SOA | 28800 | ns1.domaindiscount24.net tech.key-systems.net 2026081200 10800 3600 604800 28800 | |
| dcmtk.org | MX | 0 | 10 | merlin1.offis.de |
| dcmtk.org | MX | 0 | 10 | merlin2.offis.de |
| dcmtk.org | MX | 0 | 50 | merlin3.offis.de |
| www.dcmtk.org | CNAME | 0 | webproxy.offis.de | |
| www.dcmtk.org | A | 0 | 134.106.57.25 | |
| www.dcmtk.org | A | 0 | 134.106.57.24 |
Get alerted the moment dcmtk.org's DNS changes
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Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
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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