hadstenhojskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.109 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by hadstenhojskole-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.109 | 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 → 40.104.116.8 |
| 🔶 Autoconfig | 77.111.241.109 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:806a:bd9c:fdc7:9b11 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms86186070 |
| v=spf1 include:_hadstenhojskole.dk.protect._spf.skysnag.com ~all |
| Policy | Record (hadstenhojskole.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_hadstenhojskole.dk.protect._spf.skysnag.com ~all |
| Policy | Record (_dmarc.hadstenhojskole.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;adkim=r;pct=100;fo=1;ri=3600;rua=mailto:sky0fc8623a634649f6@app.skysnag.com,mailto:639ded8a48cf7@ag.eu.dmarcly.com; |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:sky0fc8623a634649f6@tls-rpt.skysnag.com |
| www | 77.111.241.109 2a02:2350:5:104:806a:bd9c:fdc7:9b11 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network hadstenhojskole.dk: 77.111.241.109 2a02:2350:5:104:806a:bd9c:fdc7:9b11 (AS51468) www.hadstenhojskole.dk: 77.111.241.109 2a02:2350:5:104:806a:bd9c:fdc7:9b11 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-hadstenhojskole-dk._domainkey.hadstenhojskole.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 1998-12-22 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 07:18:14 | 2738ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 04:36:45 | 1705ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 02:11:09 | 1493ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 15:03:49 | 6896ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 20:20:25 shown | 1282ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:40:46 | 2641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:40:21 | 3726ms | 2 NS 1 A 1 MX | 🔒 Secure |