tengen.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 aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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.
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _xmpp-server._tcp | 0 | 0 | 5269 | xmpp-server.l.google.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | xmpp-server1.l.google.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | xmpp-server4.l.google.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | xmpp-server2.l.google.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | xmpp-server3.l.google.com |
| TXT Record |
|---|
| v=spf1 include:aspmx.googlemail.com -all |
| Policy | Record (tengen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:aspmx.googlemail.com -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026090701 |
| 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 |
|---|---|---|---|
| 2026-10-08 21:17:29 | 552ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-30 04:03:07 shown | 768ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-17 01:14:19 | 2650ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-14 19:39:01 | 989ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-03 08:55:00 | 779ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-26 12:01:29 | 1224ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-10 23:04:45 | 9431ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-12 01:28:37 | 9223ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-24 21:30:57 | 977ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 13:53:53 | 4145ms | 2 NS 0 A 7 MX | 🔒 Secure |