cgo.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by cgo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 +include:_spf22360.spfprotect.com +include:spf.protection.outlook.com -all |
| Policy | Record (cgo.dk) |
|---|---|
| -all (hard fail) | v=spf1 +include:_spf22360.spfprotect.com +include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cgo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65323a8aa6f4a@dmarc.centerasecurity.com; |
| www | Exists, no address |
| www vs bare domain | Neither resolves cgo.dk: no address www.cgo.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-cgo-dk._domainkey.eurocater.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-cgo-dk._domainkey.eurocater.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 2026061001 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-06-04 |
| Expires | 2027-06-30 (245d) |
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 |
|---|---|---|---|
| 2026-09-07 19:19:20 | 1787ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 18:58:57 | 775ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 03:23:55 | 3257ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 20:15:13 shown | 680ms | 2 NS 0 A 1 MX | 🔒 Secure |