dum.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 9 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.201.138.86 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.dum.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.201.138.86 | 43200s | mail.dum.dk | AS24940 | Hetzner Online GmbH | 195.201.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.dum.dk | 195.201.138.86 | mail.dum.dk | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:c2c:1de6::2 | 43200s | mail6.dum.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| google-site-verification=gAjtCFaaAMPmNmycFYIAUhRqU4LOW8pciEyVxlRDe6k |
| v=spf1 mx -all |
| Policy | Record (dum.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.dum.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | 195.201.138.86 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026050201 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-01-09 |
| Expires | 2027-10-31 (379d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| anicca.dk | Punktum dk A/S (direct) |
| corell.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 20:24:52 shown | 678ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:25:23 | 1853ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 18:58:07 | 819ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 01:11:32 | 2580ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 03:26:08 | 991ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 10:13:15 | 1247ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 05:34:03 | 734ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:15:58 | 1291ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:27:16 | 10214ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:21:32 | 1565ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:04:30 | 506ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:00:50 | 605ms | 3 NS 1 A 1 MX | 🔓 Insecure |