75566777.dk is a .dk domain served by 2 nameservers (gate.profdoc.dk, ns.profdoc.dk). It was registered on 19 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.103 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| gate.profdoc.dk | — | — | — |
| ns.profdoc.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.103 | — | vm0934.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| www CNAME | 75566777.dk (all on 75566777.dk) → 185.21.40.103 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021061604 |
| Primary NS (MNAME) | ns.profdoc.dk |
| Responsible (RNAME) | hostmaster@profdoc.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-03-19 |
| Expires | 2027-03-31 (161d) |
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 02:58:32 | 381ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-18 12:48:13 | 488ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 03:20:02 | 959ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 01:53:02 | 758ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 16:54:12 | 4326ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 19:54:44 | 1148ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:37:56 | 841ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:59:48 shown | 1191ms | 2 NS 1 A 2 MX | 🔓 Insecure |