centerofresearchandeducation.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 1 July 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.18.54 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 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 |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.18.54 | 900s | aus.au.dk www.aus.au.dk |
AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | Viby J |
| TXT Record |
|---|
| v=spf1 include:spf.au.dk -all |
| Policy | Record (centerofresearchandeducation.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.au.dk -all |
| Policy | Record (_dmarc.centerofresearchandeducation.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve centerofresearchandeducation.dk: 130.225.18.54 (AS1835) (all like this)www.centerofresearchandeducation.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: 6/10 · 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 | 2011013408 |
| Primary NS (MNAME) | infobloxgm3.au.dk |
| Responsible (RNAME) | auit-dns@au.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-07-01 |
| Expires | 2027-07-31 (287d) |
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 577.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 07:57:59 shown | 830ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 07:49:03 | 1785ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-15 06:17:53 | 580ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-14 05:11:00 | 414ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 02:42:45 | 1066ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 02:30:55 | 1558ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-11 01:53:14 | 464ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 20:34:17 | 421ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 20:27:55 | 1754ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-07 20:23:52 | 665ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 20:21:22 | 404ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 14:47:26 | 548ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 14:46:11 | 1497ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 14:44:35 | 1218ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 14:40:48 | 420ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 14:38:36 | 1091ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 14:27:09 | 478ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 23:03:30 | 1312ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 22:51:23 | 571ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 22:42:27 | 478ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 22:19:04 | 597ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 22:12:00 | 517ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 21:48:13 | 658ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 20:42:54 | 627ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 21:47:13 | 556ms | 2 NS 1 A 0 MX | 🔒 Secure |