busborg.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 8 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.242.84 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.busborg.dk. 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 |
|---|---|---|---|---|---|---|---|
| 87.104.242.84 | 3600s | mail.niboan.dk | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.busborg.dk | 87.104.242.84 | mail.niboan.dk | AS204151 EWII Bredbaand A/S |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (busborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.busborg.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@busborg.dk; ruf=mailto:dmarc_ruf@busborg.dk; fo=1; |
| www CNAME | busborg.dk (all on busborg.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · 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 | 2024125057 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-01-08 |
| Expires | 2028-01-31 (469d) |
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).
| Domain | Registrar |
|---|---|
| gallerigilbert.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 11:03:16 | 644ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 13:39:14 | 1828ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 08:50:59 | 485ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 00:13:58 | 865ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:08:14 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:11:33 | 897ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 06:34:12 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 14:47:34 | 1096ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 09:47:32 | 1269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 13:49:06 | 910ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:34:20 | 813ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 23:37:05 shown | 777ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 08:35:07 | 4368ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 18:27:34 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 22:29:32 | 1408ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 19:57:17 | 1009ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 17:56:33 | 9003ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 06:38:31 | 1061ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 12:45:04 | 1299ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 21:44:31 | 8291ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 12:15:20 | 1553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 19:03:11 | 677ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 21:51:25 | 1145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 01:18:08 | 898ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 03:50:13 | 942ms | 2 NS 1 A 1 MX | 🔒 Secure |