viborg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.107.246.44 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by se.mx1.mailanyone.net, se.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 13.107.246.44 | 600s | — | AS8075 | Microsoft Corporation | 13.107.240.0/21 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 10297vi-subsite-fe.skybrud.net → 20.105.224.13 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2620:1ec:bdf::44 | 3600s | — | AS8075 | Microsoft Corporation | 2620:1ec:b00:0:0:0:0:0/40 | 🇺🇸 United States | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 0gdfbk1dnjyz4prt98s6bn5hmljxj04z |
| 9w960zwg2dr9rh8ch70hk9mmvqcjw77w |
| anthropic-domain-verification-7p37js=DrB3rEbwG4LpAa0vIDgAiTzfJ |
| g7tjd2xfmlw8kh5p51l4gd830813jkmw |
| globalsign-domain-verification=ORzYiyxOiMb7NEx7uIx3Y9epqhgGr1uBUwAifqRJck |
| google-site-verification=B_m7kGhO-JdMFoZ0aoktfsDvu_dH36S2x_fquEvT5hY |
| have-i-been-pwned-verification=dweb_wzckjhi50949yobi6zrrqq7u |
| v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:spfinclude.signflow.dk include:servers.mcsv.net include:spf.ubivox.com -all |
| Xn3EtoUFCuDCZKmt7D9zLQOQCvMlX_PCzjEfCenvkD |
| Policy | Record (viborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:spfinclude.signflow.dk include:servers.mcsv.net include:spf.ubivox.com -all |
| Policy | Record (_dmarc.viborg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=r; aspf=s; rua=mailto:dmarc_reports@viborg.dk; ruf=mailto:dmarc_reports@viborg.dk; fo=1; |
| www | 52.178.24.186 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.viborg.dk | 10297vi-subsite-fe.skybrud.net |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.se.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.se.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.se.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.se.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.se.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.se.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.se.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.se.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092101 |
| 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 | DANDOMAIN A/S |
| Registered | 1997-01-31 |
| Expires | 2031-03-31 (1626d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 14:50:26 | 1910ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-07 23:44:48 | 842ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 13:39:52 | 1194ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 13:13:29 shown | 1207ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 15:27:39 | 1415ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:39:43 | 1178ms | 2 NS 1 A 4 MX | 🔒 Secure |