tadero.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 209.212.158.89 is hosted by GigeNET (AS32181) in United States. Mail is handled by mail.sen.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 209.212.158.89 | 600s | mail.sen.dk | AS32181 | GigeNET | 209.212.144.0/20 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.sen.dk | 209.212.158.89 | mail.sen.dk | AS32181 GigeNET |
| www CNAME | tadero.dk (all on tadero.dk) |
| www vs bare domain | Same network tadero.dk: 144.217.88.214 2607:5300:205:200::7c0d (AS16276) www.tadero.dk: 144.217.88.214 2607:5300:205:200::7c0d (AS16276) |
| 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 | 2026062401 |
| 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 | 2003-01-28 |
| Expires | 2030-01-31 (1194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 16:43:57 | 961ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:27:23 | 969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 15:14:19 | 1492ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 02:04:41 | 1469ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:48:28 | 1207ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 19:00:22 | 783ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 17:15:56 | 705ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:37:50 | 972ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 02:56:45 | 14256ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-25 23:42:37 | 815ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 04:30:04 shown | 1048ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 07:15:18 | 1866ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 23:13:29 | 1160ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:03:06 | 4132ms | 2 NS 1 A 1 MX | 🔒 Secure |