cpdanmark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.61 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cpdanmark-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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.61 | — | web31.123hotel.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 mx a include:web.shared.mysmtp.com ip4:168.245.35.169 ip4:185.21.41.61 include:_spf.mlsend.com include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (cpdanmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:web.shared.mysmtp.com ip4:168.245.35.169 ip4:185.21.41.61 include:_spf.mlsend.com include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cpdanmark.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@cpdanmark.dk; ruf=mailto:abuse@cpdanmark.dk; fo=0; pct=100; ri=86400 |
| www | 185.21.41.61 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u18897573.wl074.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u18897573.wl074.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-cpdanmark-dk._domainkey.cpddenmark.onmicrosoft.com | RSA · ~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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026033101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2017-09-18 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 22:34:14 | 1595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 21:37:18 | 3683ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 21:02:53 | 1094ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 07:42:07 | 1278ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 03:32:24 | 1361ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 00:27:20 | 837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:46:59 shown | 518ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:40:43 | 3273ms | 2 NS 1 A 1 MX | 🔒 Secure |