professionel-it.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 22 November 2010 (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.
| 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 |
|---|---|---|---|---|---|---|---|
| 185.153.154.38 | — | datalogger-test.bygstenergi.dk datalogger.bygstenergi.dk datalogger.xkn.dk demensprisen.dk klagonline.forbrug.dk mitfiskeri.dk parked.sitnet.dk |
AS58282 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (professionel-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.professionel-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | professionel-it.dk (all on professionel-it.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 5-byte salt RFC 9276 recommends 0 iterations and no salt |
| 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 | 7060 |
| 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 | 2010-11-22 |
| Expires | 2026-11-30 (40d) |
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 11:27:32 | 17267ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-19 10:45:45 | 17385ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-18 09:28:06 | 8865ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-17 08:05:21 | 9077ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 07:06:32 | 4818ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-15 06:15:48 | 864ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-14 05:41:33 | 1058ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 23:59:03 | 5969ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-11 21:38:31 | 8963ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 20:25:36 | 16986ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 18:20:34 | 17452ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 14:52:04 | 18255ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-07 14:40:37 | 16942ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 13:46:06 | 17537ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 13:13:43 | 17415ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 12:47:22 | 2009ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 12:43:25 | 2787ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 12:42:12 | 2941ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 12:39:52 | 971ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 12:35:54 | 4756ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 22:52:53 | 1074ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 00:44:37 | 965ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 00:29:05 | 17054ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 00:23:31 | 8795ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 23:56:59 | 6581ms | 2 NS 1 A 0 MX | 🔒 Secure |