undervisningsnyt.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 29 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.150.42.11 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by www.undervisningsnyt.dk. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.150.42.11 | 3600s | — | AS3308 | Norlys Telco A/S | 213.150.32.0/19 | 🇩🇰 Denmark | Næstved |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | www.undervisningsnyt.dk | 213.150.42.11 | — | AS3308 Norlys Telco A/S |
| Policy | Record (_dmarc.undervisningsnyt.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 213.150.42.11 (AS3308) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1281015720 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-05-29 |
| Expires | 2027-06-30 (246d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 23:25:23 | 9509ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 03:59:31 | 635ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 01:10:13 shown | 1040ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:41:31 | 702ms | 4 NS 1 A 1 MX | 🔓 Insecure |