clusterexcellencedenmark.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 21 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.67 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by scanner01.resennet.dk, scanner02.resennet.dk and 1 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns6.sitnet.dk | 107.162.234.197 2604:e180:1071::3:1 |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| ns7.sitnet.dk | 107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd |
— — |
AS55002 F5, Inc. AS55002 F5, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.20.205.67 | 3600s | linux391.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | scanner01.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| 20 | 3600s | scanner02.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| 30 | 3600s | scanner03.resennet.dk | 193.32.65.29 | scanner01.resennet.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_spf.resennet.dk -all |
| Policy | Record (clusterexcellencedenmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.resennet.dk -all |
| Policy | Record (_dmarc.clusterexcellencedenmark.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | clusterexcellencedenmark.dk (all on clusterexcellencedenmark.dk) → 185.20.205.67 (AS48854) |
| www vs bare domain | Same network clusterexcellencedenmark.dk: 185.20.205.67 (AS48854) www.clusterexcellencedenmark.dk: 185.20.205.67 (AS48854) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 5191 |
| Primary NS (MNAME) | ns6.sitnet.dk |
| Responsible (RNAME) | hostmaster@statens-it.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-05-21 |
| 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 1,804.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 07:07:03 | 5120ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-19 04:07:30 | 10782ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-18 03:39:03 | 17936ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-17 02:46:39 | 1388ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-16 02:05:06 | 9444ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-15 00:37:28 | 2455ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-13 22:58:18 | 6569ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-12 21:29:54 | 17412ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-11 20:37:59 | 18291ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-10 19:28:34 | 1101ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-09 19:21:26 | 5071ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 12:40:31 shown | 16188ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-07 12:20:27 | 18243ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-06 11:18:35 | 3150ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-05 10:02:30 | 18209ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-04 09:47:22 | 18401ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-03 09:42:48 | 17670ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 09:39:42 | 18445ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 09:22:05 | 17334ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 09:13:25 | 17694ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 09:01:20 | 19074ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 08:20:55 | 9528ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 08:15:52 | 1587ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-26 08:05:10 | 17503ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 07:41:16 | 17301ms | 2 NS 1 A 3 MX | 🔒 Secure |