sonderborg-kommune.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was registered on 4 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a 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.
| TXT Record |
|---|
| v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all |
| Policy | Record (sonderborg-kommune.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all |
| Policy | Record (_dmarc.sonderborg-kommune.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:653640a21c83d@dmarc.centerasecurity.com sp=reject; fo=1; |
| www CNAME | skdmzweb03.sonderborg.dk (all on sonderborg.dk) → 80.62.237.29 (AS3292) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| BIMI | v=BIMI1; l=https://vejledninger.sonderborg.dk/uendelighedstegn_groen_RGB.svg;a=; |
DNS lookups: 7/10 · 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 | 1040115158 |
| Primary NS (MNAME) | ns1-04.azure-dns.com |
| Responsible (RNAME) | hostmaster@sonderborg.dk |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 2678400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-06-04 |
| Expires | 2027-06-30 (255d) |
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 |
|---|---|---|---|
| 2026-10-08 04:48:50 shown | 662ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-15 09:48:59 | 454ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 22:03:29 | 559ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 03:09:49 | 521ms | 4 NS 0 A 0 MX | 🔒 Secure |