tænketanken-eksistensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network tænketanken-eksistensen.dk: 195.47.247.18 (AS51468) www.tænketanken-eksistensen.dk: 195.47.247.18 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-08-02 |
| Expires | 2027-08-31 (314d) |
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 14:10:41 shown | 538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 21:55:15 | 473ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 23:25:22 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:43:51 | 524ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 18:02:28 | 2958ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 18:05:41 | 4566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 07:59:08 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 04:04:44 | 605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 21:57:37 | 744ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 19:08:52 | 481ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 05:36:07 | 943ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:59:07 | 623ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:07:21 | 3448ms | 2 NS 1 A 0 MX | 🔒 Secure |