tjekon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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.
| TXT Record |
|---|
| apple-domain=Ogq3W4EWaCDjodg5 |
| v=spf1 include:icloud.com ~all |
| Policy | Record (tjekon.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves tjekon.dk: no address www.tjekon.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026062601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:37:48 | 1342ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-27 12:51:10 | 801ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-25 12:27:32 | 634ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-16 21:27:00 | 588ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-08 22:16:55 | 547ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-27 19:14:35 | 773ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-20 20:54:50 | 5607ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-01 05:38:59 | 1274ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-30 03:53:38 | 24716ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-26 19:21:47 shown | 661ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 21:46:46 | 640ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 08:08:29 | 816ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 11:55:42 | 914ms | 2 NS 0 A 2 MX | 🔒 Secure |