bdunet.dk is a .dk domain served by 3 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org). It was registered on 1 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 10 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=4x3ktBna6NpCqznoPL4NxK-GtfrvphCLTcxQ10XzW0 |
| _globalsign-domain-verification=kjKbgImJRBBEG_zUR22GKoWUt3m1YppCpeSZ5XFH8d |
| _globalsign-domain-verification=My2LEsz6i5VPfJTyHv4kIU0YtLnwZqAzMKr8i_F96i |
| _globalsign-domain-verification=RDqH0JlX_cpvGBMMs53BiNpPdvv4TRls3dKMsrsp_j |
| MS=ms64117079 |
| v=spf1 ip4:13.93.55.152 include:spf.protection.outlook.com -all |
| Policy | Record (bdunet.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:13.93.55.152 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.bdunet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:mailauth-reports@bankdata.dk,mailto:7oaxn8uv@ag.eu.dmarcadvisor.com; ruf=mailto:7oaxn8uv@fr.eu.dmarcadvisor.com; fo=1 |
| www | Exists, no address |
| www vs bare domain | Neither resolves bdunet.dk: no address www.bdunet.dk: no address |
| 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2411064036 |
| Primary NS (MNAME) | blue.foundationdns.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 | 2003-10-01 |
| Expires | 2028-10-31 (741d) |
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 |
|---|---|---|---|
| 2026-10-20 07:04:23 | 457ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 13:48:51 | 1394ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 13:39:23 | 409ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 22:45:29 | 636ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-28 22:30:57 | 549ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 21:23:23 | 881ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 20:29:30 | 767ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-17 23:11:22 | 704ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-12 02:36:26 | 1129ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-08 02:25:57 | 633ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 21:57:07 | 1145ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-14 23:46:31 | 1120ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-09 02:27:11 | 1080ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 06:36:01 | 1335ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 04:02:18 | 1041ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-02 01:02:40 shown | 1066ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-31 23:14:49 | 1039ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-26 06:37:55 | 1118ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-24 05:22:58 | 33011ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-21 22:23:06 | 9839ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-20 11:16:54 | 1138ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-17 20:30:12 | 8966ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-07 00:22:56 | 1771ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 00:34:16 | 947ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-27 21:09:08 | 1868ms | 3 NS 0 A 0 MX | 🔒 Secure |