phdkurser.dk is a .dk domain served by 4 nameservers (ns1.completnet.com, ns2.completnet.dk, ns3.completnet.com and 1 more). It was registered on 12 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.32.72 is hosted by IDDQD-AS (AS1835) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 130.225.32.72 | 3599s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (phdkurser.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.phdkurser.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s |
| www CNAME | phdkurser.loadbalancer.arcanic.dk (all on arcanic.dk) → 130.225.32.72 (AS1835) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070102 |
| Primary NS (MNAME) | ns1.completnet.com |
| Responsible (RNAME) | noc@arcanic.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-01-12 |
| Expires | 2028-01-31 (471d) |
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 |
|---|---|---|---|
| 2026-10-14 13:05:07 | 1081ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 05:11:10 | 1350ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 00:42:17 | 479ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 00:11:00 | 1764ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 22:39:23 | 2783ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 16:34:57 | 555ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-17 05:10:34 | 593ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 06:52:29 | 562ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 15:20:06 | 514ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 13:08:25 | 439ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 03:29:31 | 529ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 09:05:23 | 523ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 05:41:13 | 383ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 04:08:01 | 4363ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 17:07:32 | 911ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 05:55:43 | 674ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-05 05:39:00 | 1049ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 22:00:17 | 8871ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-26 19:17:58 | 2444ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-22 14:34:12 | 549ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 04:11:07 | 951ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-11 21:27:12 | 8573ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-06 10:31:04 | 4618ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-05 01:40:17 | 4131ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 13:31:57 shown | 3391ms | 4 NS 1 A 0 MX | 🔒 Secure |