o0.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. Its website address 217.157.136.3 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.157.136.3 | 43200s | — | AS9158 | Telenor A/S | 217.157.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=0DERsQIZWjOHQ2Jvy_hOwMjr8m7es3mggOOa7DmUgIs |
| www CNAME | o0.dk (all on o0.dk) → 217.157.136.3 (AS9158) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2026091001 |
| 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 |
|---|---|---|---|
| 2026-10-11 23:29:48 | 2949ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-30 15:39:08 | 782ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-30 03:12:50 | 556ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-12 02:34:00 | 885ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-11 08:18:20 shown | 977ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-08-26 20:50:37 | 1025ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-08-12 05:47:56 | 1548ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-07-17 17:19:50 | 5544ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-07-13 09:28:24 | 1831ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-07-02 13:31:31 | 927ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-20 04:19:15 | 1942ms | 2 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-17 21:04:28 | 869ms | 2 NS 1 A 6 MX | 🔒 Secure |