tomm.dk is a .dk domain served by 2 nameservers (dns-a.duelhost.dk, dns-b.duelhost.dk). It was registered on 4 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.201.61.68 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.tomm.dk. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns-a.duelhost.dk | 138.201.61.68 | cde3.duelhost.dk | AS24940 Hetzner Online GmbH |
| dns-b.duelhost.dk | 195.201.247.10 | dns-b.duelhost.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 138.201.61.68 | 600s | cde3.duelhost.dk | AS24940 | Hetzner Online GmbH | 138.201.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.tomm.dk | 138.201.61.68 | cde3.duelhost.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (tomm.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (_dmarc.tomm.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'tomm.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026040603 |
| Primary NS (MNAME) | dns-a.duelhost.dk |
| Responsible (RNAME) | hostmaster@tomm.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2021-12-04 |
| Expires | 2026-12-03 (46d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 10:53:24 | 1437ms | 5 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 10:43:59 | 511ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 10:39:55 | 540ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 12:09:08 | 539ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 11:57:50 | 562ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 11:49:51 | 558ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 11:34:59 | 492ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 09:11:37 | 823ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 15:18:37 | 3223ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 13:21:28 | 806ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 13:34:26 shown | 923ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 08:39:10 | 757ms | 2 NS 1 A 1 MX | 🔓 Insecure |