reg-sj.dk is a .dk domain served by 2 nameservers (ns1.regsj.dk, ns2.regsj.dk). It was registered on 2 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.regsj.dk | 91.198.168.21 | ns1.regsj.dk | AS43806 Region Sjaelland |
| ns2.regsj.dk | 91.198.168.22 | ns2.regsj.dk | AS43806 Region Sjaelland |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (reg-sj.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.reg-sj.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;rua=mailto:gadio9eh@ag.eu.dmarcadvisor.com;ruf=mailto:gadio9eh@fr.eu.dmarcadvisor.com;fo=1 |
| www | 91.198.168.19 (AS43806) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1573 |
| Primary NS (MNAME) | ns1.regsj.dk |
| Responsible (RNAME) | hostmaster@regsj.dk |
| Refresh | 900s |
| Retry | 90s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-07-02 |
| Expires | 2027-07-31 (285d) |
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 |
|---|---|---|---|
| 2026-09-30 20:41:35 | 575ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 03:50:26 | 646ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-23 07:08:24 | 619ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-28 12:40:00 | 2254ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:33:01 shown | 1318ms | 2 NS 0 A 0 MX | 🔓 Insecure |