jakobskolen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.105 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by jakobskolen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.105 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | 77.111.241.105 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:804a:367c:435c:def5 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com include:spf.permido.com -all |
| Policy | Record (jakobskolen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com include:spf.permido.com -all |
| www | 77.111.241.105 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network jakobskolen.dk: 77.111.241.105 2a02:2350:5:10c:804a:367c:435c:def5 (AS51468) www.jakobskolen.dk: 77.111.241.105 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 8/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jakobskolen.dk | jakobskolen.dk.acme.service.one.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 1999-04-16 |
| Expires | 2027-06-30 (253d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 22:55:01 shown | 864ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 03:24:38 | 732ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 10:15:47 | 4781ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 09:08:53 | 4744ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 02:08:30 | 1335ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 14:19:42 | 1135ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 18:55:31 | 2403ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 09:08:35 | 2572ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 04:11:16 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 04:48:57 | 1081ms | 2 NS 1 A 1 MX | 🔒 Secure |