internetsecurity.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 31 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.107.224.27 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 20.107.224.27 | 3600s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (internetsecurity.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.internetsecurity.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www CNAME | tdcdk-campaign-proxies.azurewebsites.net (all on azurewebsites.net) → 20.107.224.27 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 2026011646 |
| 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 | 2023-01-31 |
| Expires | 2027-01-30 (102d) |
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 510.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 09:14:17 | 591ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 09:07:28 | 1091ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 08:14:54 | 517ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 21:58:32 shown | 595ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:16:08 | 797ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 16:18:38 | 919ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 16:12:15 | 662ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 03:15:41 | 797ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 23:14:02 | 2477ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 17:07:38 | 9184ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:00:09 | 4240ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 04:01:18 | 890ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 10:34:04 | 1031ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 04:52:11 | 3569ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 04:24:19 | 1714ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:15:33 | 4025ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 19:00:14 | 976ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 19:28:26 | 4102ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 08:58:33 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 06:31:38 | 1536ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:00:08 | 2145ms | 4 NS 1 A 0 MX | 🔒 Secure |