assensskoler.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by assensskoler-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| TXT Record |
|---|
| _fa8667w4pjjbejlyu97qm7iw2ge6hai |
| _globalsign-domain-verification=PScYWmCLlsN5EAyBydAVpak95xu0yRHR2PQrBdMump |
| _l8ut7etqbi4nsmygl7qf8f900tfsuhq |
| _oa23qwq6c4730p9yldfbsungm5j8685 |
| _w1xkrtwhh3ogcn5mltoz0sz3rymfhwy |
| 8jjkw97hhvzbkmtd56bq2y60hq6rv756 |
| apple-domain-verification=I3mk7toJaywXpHYr |
| apple-domain-verification=ZfnKHpuwDQfRDuxP |
| google-site-verification=Oh-BJOREQYa0yXZUFaapyNFFzK_OM_B0i7UGLw9Ht-w |
| jww7x745fb0t8dr4zxdxgqrljk4bsp86 |
| v=spf1 include:spf.protection.outlook.com a:outbound.centerasecurity.dk include:spf.truelink.dk -all |
| Policy | Record (assensskoler.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com a:outbound.centerasecurity.dk include:spf.truelink.dk -all |
| Policy | Record (_dmarc.assensskoler.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rq0fbwg1@ag.eu.dmarcadvisor.com; |
| www CNAME | assensskoler.dk (all on assensskoler.dk) |
| www vs bare domain | Neither resolves assensskoler.dk: no address www.assensskoler.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-assensskoler-dk._domainkey.assensskoler.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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| 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 | 2011-12-05 |
| Expires | 2026-12-31 (65d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 04:01:45 | 1622ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 20:59:39 | 1769ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-13 14:28:57 | 1227ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-18 15:14:10 | 2575ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 12:06:50 | 1017ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-07 19:10:40 | 4811ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 18:04:36 | 2380ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 13:55:55 | 2294ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 13:46:17 shown | 745ms | 2 NS 0 A 1 MX | 🔒 Secure |