colmo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.248.138.17 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by smtp.colmo.eu, smtp.rundal.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 80.248.138.17 | 1799s | pluton.colmo.eu | AS216275 | Netnoerden ApS | 80.248.138.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 3600s | smtp.colmo.eu | 2a13:e746:28f9:3390:2ff:aaff:fe00:1 80.248.138.17 |
— pluton.colmo.eu |
AS216275 Netnoerden ApS AS216275 Netnoerden ApS |
| 100 | 3600s | smtp.rundal.dk | 2a13:e746:28f9:3390:2ff:aaff:fe00:1 80.248.138.17 |
— pluton.colmo.eu |
AS216275 Netnoerden ApS AS216275 Netnoerden ApS |
| TXT Record |
|---|
| v=spf1 a include:_spf.colmo.eu ~all |
| Policy | Record (colmo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:_spf.colmo.eu ~all |
| www CNAME | pluton.colmo.eu (all on colmo.eu) |
| www vs bare domain | Same network colmo.dk: 80.248.138.17 (AS216275) www.colmo.dk: 80.248.138.17 2a13:e746:28f9:3390:6c5c:d7ff:fec5:ef9 (AS216275) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-08-12 |
| Expires | 2030-08-31 (1406d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 09:42:58 shown | 3319ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 14:43:23 | 6645ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 05:27:14 | 4565ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 03:40:11 | 961ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-13 06:34:24 | 12744ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 01:54:35 | 10635ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 17:06:10 | 3090ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-12 15:51:05 | 4775ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 09:36:44 | 683ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 00:48:12 | 605ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 23:20:42 | 1325ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 12:39:45 | 973ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 04:46:32 | 1804ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:46:14 | 516ms | 2 NS 1 A 2 MX | 🔒 Secure |