vac.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 20 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by danskrevision-dk.mx1.comendosystems.com, danskrevision-dk.mx2.comendosystems.net. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| TXT Record |
|---|
| MS=ms35613773 |
| v=spf1 a:danskrevision-dk.mx1.comendosystems.com a:danskrevision-dk.mx2.comendosystems.net a:mx12.electric.net a:mx6.electric.net ip4:212.60.118.129 ip4:94.189.60.169 include:spf.comendosystems.com include:mail.zendesk.com include:spf.protection.outlook.com -all |
| Policy | Record (vac.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:danskrevision-dk.mx1.comendosystems.com a:danskrevision-dk.mx2.comendosystems.net a:mx12.electric.net a:mx6.electric.net ip4:212.60.118.129 ip4:94.189.60.169 include:spf.comendosystems.com include:mail.zendesk.com include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves vac.dk: no address www.vac.dk: no address |
| Wildcard | No |
| 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 |
DNS lookups: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025040800 |
| 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 | Simply.com A/S |
| Registered | 1999-09-20 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:50:45 | 882ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-08 16:51:12 | 892ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-02 16:06:37 | 1647ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-29 15:42:46 | 1488ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-02 03:57:45 | 976ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 19:59:05 | 4046ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-20 00:09:40 shown | 761ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 13:54:29 | 1625ms | 4 NS 0 A 2 MX | 🔒 Secure |