book2learn.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 3 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.237.125.91 is hosted by Procopa IT ApS (AS210939) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.237.125.91 | — | — | AS210939 | Procopa IT ApS | 185.237.124.0/22 | 🇩🇰 Denmark | Copenhagen |
| Policy | Record (_dmarc.book2learn.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:69e2273edc2f6@dmarc-dk.centerasecurity.com; |
| www | 185.237.125.91 (AS210939) (address records, no CNAME) |
| 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 | 2026042808 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2018-12-03 |
| Expires | 2026-12-31 (68d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 23:00:13 | 1390ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 22:40:09 | 650ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 20:28:00 | 654ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 22:30:55 | 884ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 02:05:20 | 949ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 19:54:29 | 981ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 10:01:31 | 3648ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-27 16:18:52 | 16613ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-24 15:19:35 | 875ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 14:52:59 | 8594ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-06 12:46:55 | 2007ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-04 20:31:24 | 2006ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 21:35:51 | 666ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 05:27:42 | 6688ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 15:55:49 shown | 1553ms | 4 NS 1 A 0 MX | 🔒 Secure |