openfiber.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 21 December 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.151.154.44 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by openfiber-dk.mail.protection.outlook.com, dk.mx1.mailanyone.net and 3 more. The zone is DNSSEC-signed but currently fails validation, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.151.154.44 | — | — | AS31027 | GlobalConnect A/S | 83.151.128.0/18 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 84.151.154.44 |
| TXT Record |
|---|
| _globalsign-domain-verification=9SHUk2kvEA9uqqZu3FXIHF_HTKOm6B-mlK4v1baI-_ |
| _globalsign-domain-verification=aXviHunv8HkMw9bdiAIyVrcvbGYt-j-5cfPmNkVRkG |
| _globalsign-domain-verification=hgi1R6--MTowFwD4u30oolaPGdcnNdxOEME87ZzmSu |
| 57mhst6bgvbqk0czvrf7jzqd05nrkds0 |
| MS=ms84130760 |
| v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all |
| vpe=794dd118 |
| Policy | Record (openfiber.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | digicert.com |
| 0 | issue | globalsign.com |
| 0 | issuewild | digicert.com |
| 0 | issuewild | globalsign.com |
| www | 84.151.154.44 (AS3320) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'openfiber.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026060401 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2022-12-21 |
| Expires | 2026-12-20 (59d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 20:12:37 | 3152ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-05 19:14:26 | 1148ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-02 19:00:14 | 1242ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-29 18:37:14 | 1193ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-15 22:15:50 | 1492ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-27 00:35:49 | 1678ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-22 22:25:26 | 1115ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 23:35:57 shown | 1560ms | 2 NS 1 A 5 MX | ⚠️ Bogus |