43991233.dk is a .dk domain served by 2 nameservers (gate.profdoc.dk, ns.profdoc.dk). It was registered on 9 April 2013 (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 and 1 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| gate.profdoc.dk | 80.62.243.243 | 243.241-254.243.62.80.in-addr.arpa | AS3292 TDC Holding A/S |
| ns.profdoc.dk | 80.62.243.242 | 242.241-254.243.62.80.in-addr.arpa | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.103 | 3600s | vm0934.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| 30 | 3600s | mail.43991233.dk | 185.21.42.13 | director1.mf.curanet.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.curanet.dk ~all |
| Policy | Record (43991233.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.curanet.dk ~all |
| Policy | Record (_dmarc.43991233.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none |
| www CNAME | 43991233.dk (all on 43991233.dk) |
| Wildcard | No |
DNS lookups: 3/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2024031903 |
| 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 | CURANET A/S |
| Registered | 2013-04-09 |
| Expires | 2027-04-30 (195d) |
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 |
|---|---|---|---|
| 2026-09-30 09:58:41 | 378ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 19:08:58 | 483ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 05:45:27 | 9498ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 12:07:11 | 545ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 19:38:51 shown | 481ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 16:27:50 | 1050ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:39:36 | 742ms | 2 NS 1 A 3 MX | 🔓 Insecure |