willumsensmuseum.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.120 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.120 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.frederikssund.dk → 87.54.23.200 |
| 🔶 Autoconfig | 77.111.241.120 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:80c4:c2c3:9764:322 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=oMH1vn6Er40iHx0AZV093gHtHy_PLTeg8gU4FQr1qA0 |
| MS=ms63792111 |
| trend-micro-v1-domain-verification.536278a5985568dd196fba356f3b3252=c85f4f76-04af-4dc6-8343-43270b7f40a6 |
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (willumsensmuseum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.willumsensmuseum.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:tfryd@willumsensmuseum.dk; ruf=mailto:tfryd@willumsensmuseum.dk |
| www | 77.111.241.120 2a02:2350:5:104:80c4:c2c3:9764:322 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network willumsensmuseum.dk: 77.111.241.120 2a02:2350:5:104:80c4:c2c3:9764:322 (AS51468) www.willumsensmuseum.dk: 77.111.241.120 2a02:2350:5:104:80c4:c2c3:9764:322 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071605 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 20:42:05 | 782ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 14:23:57 | 2217ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-08 16:58:49 | 5325ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-17 00:51:01 shown | 1378ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 13:30:14 | 3717ms | 2 NS 1 A 3 MX | 🔒 Secure |