cobfriis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 June 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.runbox.com. The zone is DNSSEC-signed and validates, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx.runbox.com | 185.226.149.25 | aibo.runbox.com | AS50304 Blix Solutions AS |
| TXT Record |
|---|
| v=spf1 redirect=spf.runbox.com |
| Policy | Record (cobfriis.dk) |
|---|---|
| redirect=spf.runbox.com | v=spf1 redirect=spf.runbox.com |
| Policy | Record (_dmarc.cobfriis.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;pct=100;aspf=r;rua=mailto:postmaster@cobfriis.dk;ruf=mailto:postmaster@cobfriis.dk; |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | 51AAA87D984B559AC69E929F888A022D… |
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | 6EBCEFB4210B088654A38B03FEA3D7D1… |
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | 9D637B3D27A9E570D07607B9CCADB80A… |
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | A698A20824BE04E47A1A33C4FA488731… |
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | B3FB5D00E994CDDF2CC9A4EEA9F806BC… |
| SMTP _25._tcp.mx.runbox.com | DANE-EE · SPKI · SHA-256 | 9A5D69227185C22FB9204903B517A029… |
| SMTP _25._tcp.mx.runbox.com | DANE-TA · SPKI · SHA-256 | 2E8307068B6DB620E4A39D068B5DEE5D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101001 |
| 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 | 2014-06-15 |
| Expires | 2031-06-30 (1717d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 08:08:05 shown | 529ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 22:19:31 | 533ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 05:44:45 | 645ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 11:09:10 | 1689ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 03:54:12 | 1535ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 14:26:12 | 2624ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 00:20:43 | 882ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 23:34:18 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 21:35:28 | 2388ms | 2 NS 0 A 1 MX | 🔒 Secure |