biskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.171 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.171 | 3600s | webcluster2.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:805f:8705:c8d2:a4ce | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.171 2a02:2350:5:10c:805f:8705:c8d2:a4ce (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network biskole.dk: 46.30.213.171 2a02:2350:5:10c:805f:8705:c8d2:a4ce (AS51468) www.biskole.dk: 46.30.213.171 2a02:2350:5:10c:805f:8705:c8d2:a4ce (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026100701 |
| 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 | 2024-02-14 |
| Expires | 2027-02-13 (117d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 12:28:32 shown | 438ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 08:11:48 | 548ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-10 21:48:49 | 1749ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-02 03:39:10 | 724ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-10 07:56:56 | 1063ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-08 13:28:53 | 9195ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-26 12:57:49 | 755ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 14:41:58 | 677ms | 2 NS 1 A 4 MX | 🔓 Insecure |