britorn-vestergaard.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.55.55 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by britornvestergaard-dk01i.mail.protection.outlook.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.186.55.55 | 3600s | 5.186.55.55.static.fibianet.dk | AS44869 | FIBIA P/S | 5.186.0.0/16 | 🇩🇰 Denmark | Lystrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 5.186.55.55 |
| TXT Record |
|---|
| MS=ms36225291 |
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all |
| Policy | Record (britorn-vestergaard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all |
| Policy | Record (_dmarc.britorn-vestergaard.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@securitylink.uriports.com; ruf=mailto:dmarc@securitylink.uriports.com; fo=1:d:s |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsrpt@securitylink.uriports.com |
| www | 5.186.55.55 (AS44869) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-britornvestergaard-dk01i._domainkey.itcholding.onmicrosoft.com | 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: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-08-23 |
| Expires | 2027-07-31 (286d) |
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 |
|---|---|---|---|
| 2026-10-13 03:20:27 shown | 1306ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 00:25:13 | 1124ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 23:13:41 | 894ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 10:19:52 | 879ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:28:02 | 952ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 00:52:37 | 5308ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 00:14:18 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 17:19:12 | 3556ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:09:55 | 798ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:07:22 | 1764ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:00:54 | 629ms | 4 NS 1 A 1 MX | 🔒 Secure |