codeduck.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.204 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.204 | — | linux27.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| apple-domain=sARrANhjGznf2rMl |
| v=spf1 include:icloud.com ~all |
| Policy | Record (codeduck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | 185.21.40.204 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025051102 |
| 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 | CURANET A/S |
| Registered | 2020-03-09 |
| Expires | 2027-03-31 (164d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:21:16 | 592ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 08:58:05 | 907ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 03:40:55 | 25039ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 03:23:33 | 807ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 19:46:24 | 743ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:44:10 shown | 675ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:40:33 | 1034ms | 2 NS 1 A 2 MX | 🔒 Secure |