kariseefterskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.63.102.90 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.cyr.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 80.63.102.90 | 600s | — | AS3292 | TDC Holding A/S | 80.62.0.0/15 | 🇩🇰 Denmark | Taastrup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.cyr.dk | 5.186.40.199 | mail.cyr.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | kariseefterskole.dk → 80.63.102.90 |
| 🔶 Autoconfig | kariseefterskole.dk → 80.63.102.90 |
| TXT Record |
|---|
| v=spf1 a mx 5.186.40.199 -all |
| Policy | Record (kariseefterskole.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx 5.186.40.199 -all |
| www | 80.63.102.90 (AS3292) (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 |
DNS lookups: 2/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.kariseefterskole.dk | kariseefterskole.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100601 |
| 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 | 2014-11-05 |
| Expires | 2026-11-30 (43d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:27:22 shown | 832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 21:06:05 | 506ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 10:19:55 | 772ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 15:09:52 | 573ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:11:21 | 726ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:43:05 | 8849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 07:20:54 | 6566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 16:21:43 | 720ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 05:30:15 | 863ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 00:48:44 | 16651ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 22:14:55 | 1155ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 12:47:43 | 583ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 06:13:55 | 856ms | 2 NS 1 A 1 MX | 🔒 Secure |