projektbørs.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 13 May 2004 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.au.dk | 20.73.178.34 | ns3.au.dk | AS8075 Microsoft Corporation |
| ns4.au.dk | 185.45.20.154 | ns4.au.dk | AS62138 Aarhus Universitet |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (projektbørs.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.projektbørs.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;aspf=r; |
| www CNAME | kvaser.au.dk (all on au.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.projektbørs.dk |
| www vs bare domain | Neither resolves projektbørs.dk: no address www.projektbørs.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2005053426 |
| Primary NS (MNAME) | infobloxgm3.au.dk |
| Responsible (RNAME) | staff@au.dk |
| Refresh | 28800s |
| Retry | 2880s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-05-13 |
| Expires | 2027-05-31 (222d) |
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).
Showing 100 of 597.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 21:23:13 shown | 481ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-18 19:55:19 | 864ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-17 19:31:16 | 445ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 18:36:40 | 921ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-15 17:19:24 | 354ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 13:54:30 | 500ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 11:39:18 | 1225ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-12 07:31:45 | 890ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 06:25:57 | 741ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 02:50:30 | 383ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 00:05:06 | 1126ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 23:55:10 | 1742ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 23:47:08 | 975ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 17:12:14 | 499ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 17:08:38 | 513ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 17:06:28 | 499ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 17:04:12 | 630ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 17:02:19 | 395ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 16:53:33 | 462ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 16:46:30 | 547ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-28 16:42:42 | 511ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 16:32:12 | 503ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 16:23:32 | 474ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 16:14:08 | 509ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 16:01:00 | 479ms | 2 NS 0 A 0 MX | 🔒 Secure |