tænk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.238.54.175 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by fbr-dk.mx1.comendosystems.com, fbr-dk.mx2.comendosystems.net. 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 |
|---|---|---|---|---|---|---|---|
| 109.238.54.175 | 43200s | — | AS47292 | Sentia Denmark A/S | 109.238.48.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | fbr-dk.mx1.comendosystems.com | 192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0 |
mx41.electric.net gw2-1535.security.comendo.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 3600s | fbr-dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| www CNAME | taenk.dk (all on taenk.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 | 2026101801 |
| 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 | ONE.COM A/S |
| Registered | 2004-03-04 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|---|---|
| 2026-10-19 01:10:24 shown | 907ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-14 16:50:11 | 2014ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 16:11:16 | 666ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-22 09:49:36 | 800ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 16:12:51 | 792ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 15:58:28 | 1193ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 11:48:14 | 5105ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:39:58 | 1881ms | 2 NS 1 A 2 MX | 🔒 Secure |