certina.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was registered on 17 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by sgrmgw5.swatchgroup.com, sgrmgw6.swatchgroup.com. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | sgrmgw5.swatchgroup.com | 149.133.4.180 149.133.4.180 |
smtp.swatchgroup.com sgrmgw5.swatchgroup.com |
AS3303 Bluewin AS3303 Bluewin |
| 5 | 3600s | sgrmgw6.swatchgroup.com | 149.133.4.181 149.133.4.181 |
sgrmgw6.swatchgroup.com smtp.swatchgroup.com |
AS3303 Bluewin AS3303 Bluewin |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (certina.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.certina.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;fo=1;ri=3600;rua=mailto:6ddabd26@inbox.ondmarc.com;ruf=mailto:6ddabd26@inbox.ondmarc.com; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves certina.dk: no address www.certina.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 1765874870 |
| Primary NS (MNAME) | ns1-09.azure-dns.com |
| Responsible (RNAME) | hostmaster@swatchgroup.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2025-12-17 |
| Expires | 2026-12-16 (58d) |
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 |
|---|---|---|---|
| 2026-10-07 14:54:04 | 2422ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-15 20:01:50 shown | 550ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 05:19:10 | 657ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-01 00:19:22 | 759ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-22 07:11:28 | 476ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-19 23:28:25 | 2282ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:10:43 | 553ms | 4 NS 0 A 2 MX | 🔓 Insecure |