skjernnu.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.80.12.242 is hosted by COLT Technology Services Group Limited (AS8220) in Denmark. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.80.12.242 | — | — | AS8220 | COLT Technology Services Group Limited | 80.80.0.0/19 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| DBO |
| www CNAME | skjernnu.dk (all on skjernnu.dk) → 80.80.12.242 (AS8220) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022030204 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-03-19 |
| Expires | 2027-03-31 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 20:51:32 | 505ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 21:06:36 | 556ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 12:07:15 | 672ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 13:35:10 shown | 2004ms | 4 NS 1 A 0 MX | 🔒 Secure |