tjekcvr.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 10 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.67.221.36 is hosted by Contabo GmbH (AS51167) in France. 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 |
|---|---|---|---|---|---|---|---|
| 45.67.221.36 | 3600s | vmi728158.contaboserver.net | AS51167 | Contabo GmbH | 45.67.221.0/24 | 🇫🇷 France | Lauterbourg |
| TXT Record |
|---|
| brevo-code:55bfc7bc8a0cc8b159f4e053269cba84 |
| Policy | Record (_dmarc.tjekcvr.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves tjekcvr.dk: no address www.tjekcvr.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025071901 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-06-10 |
| Expires | 2027-06-09 (227d) |
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 |
|---|---|---|---|
| 2026-10-20 13:03:43 | 829ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 20:54:37 | 471ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 22:34:50 | 494ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 22:25:04 | 466ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 01:28:49 | 489ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 02:19:36 | 1179ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 04:57:37 | 334ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 04:33:14 shown | 602ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 14:36:05 | 3269ms | 3 NS 1 A 0 MX | 🔒 Secure |