itdholding.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 8 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by de-smtp-inbound-1.mimecast.com, de-smtp-inbound-2.mimecast.com. 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 |
|---|---|---|---|---|---|---|---|
| 80.92.65.188 | 3600s | 80-92-65-188.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.214.40 |
| 🔶 Autoconfig | 46.30.213.52 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 0ed1fe018a23e5cd3b34304a5fa0ec8dd5def152a5 |
| MS=ms26410797 |
| v=spf1 include:spf.protection.outlook.com include:de._netblocks.mimecast.com -all |
| xFh1akwn1qJ7NblDn20bn/mG78ShgpC+6oyzYi1dqOBEin18eLuLMXxX16GZcQqCjzGiACsODonfNarfM+43Pw== |
| Policy | Record (itdholding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:de._netblocks.mimecast.com -all |
| Policy | Record (_dmarc.itdholding.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rf=afrf; pct=100; ri=86400 |
| www | 80.92.65.188 (AS24611) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2024062240 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2016-02-08 |
| Expires | 2027-02-28 (130d) |
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 05:18:32 | 1387ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 04:30:34 | 1157ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 18:15:27 | 2854ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 17:45:42 | 616ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 20:06:12 | 961ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 03:20:20 | 1163ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 03:15:38 | 968ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 05:25:09 | 878ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 21:39:53 | 2756ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 00:52:08 | 3497ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 23:02:51 | 7085ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 17:51:47 | 1824ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 02:13:20 shown | 1412ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-30 23:50:11 | 1145ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 06:43:57 | 1217ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 21:54:44 | 1024ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 18:24:06 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:59:54 | 5727ms | 4 NS 1 A 2 MX | 🔒 Secure |