bluesign.dk is a .dk domain served by 2 nameservers (ns1.dnshotel.dk, ns2.dnshotel.dk). It was registered on 5 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.bluesign.dk. 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 |
|---|---|---|---|
| ns1.dnshotel.dk | — | — | — |
| ns2.dnshotel.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 49.12.83.125 | — | re03.azehosting.net | AS24940 | — | — | — | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | mail.bluesign.dk | 49.12.83.125 | re03.azehosting.net | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +a +mx ~all |
| Policy | Record (bluesign.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +a +mx ~all |
| www CNAME | bluesign.dk (all on bluesign.dk) → 49.12.83.125 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 6/10 · 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 | 2026050701 |
| Primary NS (MNAME) | ns1.dnshotel.dk |
| Responsible (RNAME) | privat@perjacobsen.eu |
| Refresh | 3600s |
| Retry | 1200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-07-05 |
| Expires | 2027-07-04 (252d) |
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 |
|---|---|---|---|
| 2026-10-23 06:28:38 | 605ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 01:19:26 | 2655ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 20:08:22 | 16877ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 14:48:25 | 3589ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 01:11:50 | 619ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:14:58 | 1828ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:13:45 shown | 1437ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:06:30 | 485ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:01:08 | 2538ms | 2 NS 1 A 1 MX | 🔓 Insecure |