virk.dk is a .dk domain served by 2 nameservers (lakas.ns.cloudflare.com, rosemary.ns.cloudflare.com). It was registered on 17 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.101.0.139 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by virk-dk.h-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.101.0.139 | 300s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.204.104 |
| TXT Record |
|---|
| _globalsign-domain-verification=8wCC1nVoLPY32_GH_87nO2YFnaPYRHnFzUEnrQFaa5 |
| _globalsign-domain-verification=B6vmxVTNpCYGAL2rWBIfUbNe4MODBiASx_w7GxPyLr |
| 4UWPEa+2BdiCHsd38moXvU0xg6qs9m/pUxxrzHucCoQ= |
| eNp1w0S/cUqfGaGH4SfJ0mSwgH158gUj4GDlk8U9we8= |
| google-site-verification=CFiDhcJBGIMZNcTzs1DV0S_gC3zfVz8R4Fh4s83mLTY |
| google-site-verification=lM5jzXaes15_AcVMjkVvCtgmmV5iXuMub5dESvqXN5Q |
| Lkbjmo2osE/JRX7hRdPzkCxbyly/OsNl6LVBaUMGHcE= |
| MS=ms30340651 |
| oNxDhIr53w/cdCgvx2b7R+ZqiQPeNcaaHX5zq5iJzrY= |
| UNJYg8pBjF8Bw9jCncLrVYdtNz2XwQqx2n7Fp1lT1tM= |
| v=spf1 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:87.63.97.30 ip4:87.63.97.15 ip4:185.153.154.186 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk mx -all |
| Policy | Record (virk.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:87.63.97.30 ip4:87.63.97.15 ip4:185.153.154.186 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk mx -all |
| Policy | Record (_dmarc.virk.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@virk.dk, mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@virk.dk; fo=1 |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | globalsign.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | virk.dk (all on virk.dk) → 20.101.0.139 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.virk.dk | Ij6E1QSe01QZdudtKqMLhn48ClzxsSKcvm38HFGb7Zo |
| TXT | _acme-challenge.virk.dk | z9HJWH0rkxwTC8McdaOQMUPF6ixpMgRn85dZ6dMhnSo |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.virk-dk.h-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2407311918 |
| Primary NS (MNAME) | lakas.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-07-17 |
| Expires | 2027-09-30 (345d) |
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).
Showing 100 of 143.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 07:56:23 | 3504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 17:12:16 | 2929ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 15:13:21 | 638ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:49:03 | 1487ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 17:45:16 | 1031ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 02:56:15 | 1036ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 10:34:18 | 2121ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 17:35:18 | 839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 22:18:19 | 1020ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:06:44 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 16:35:28 | 1434ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 06:54:45 | 1631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 05:38:44 | 2844ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 08:25:02 | 8656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 18:40:12 | 1599ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 17:26:34 | 1800ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 19:22:57 | 1341ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 17:51:12 | 1944ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 07:38:14 | 1149ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 20:00:44 | 3334ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 03:16:18 | 1393ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 05:05:41 shown | 3249ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 20:00:33 | 1311ms | 2 NS 1 A 1 MX | 🔒 Secure |