bluebirds.dk is a .dk domain served by 2 nameservers (greg.ns.cloudflare.com, maya.ns.cloudflare.com). It was registered on 1 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|
| greg.ns.cloudflare.com | — | — | — |
| maya.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.39.206 | — | — | AS13335 | — | — | — | — |
| 172.67.148.124 | — | — | AS13335 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:27ce | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:947c | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.206,172.67.148.124 ech=AEX+DQBBQwAgACB/kjJxhdKdMifzADCBWwX4suHL5sc8EO3CxwUV7BdUPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:27ce,2606:4700:3034::ac43:947c |
| www | 104.21.39.206 172.67.148.124 2606:4700:3036::ac43:947c 2606:4700:3037::6815:27ce (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bluebirds.dk: 104.21.39.206 172.67.148.124 2606:4700:3036::ac43:947c 2606:4700:3037::6815:27ce (AS13335) www.bluebirds.dk: 104.21.39.206 172.67.148.124 2606:4700:3036::ac43:947c 2606:4700:3037::6815:27ce (AS13335) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2405625430 |
| Primary NS (MNAME) | greg.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-08-01 |
| Expires | 2027-08-31 (310d) |
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).
Showing 100 of 485.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 02:21:45 | 403ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 01:02:15 | 870ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 21:33:28 | 1292ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 07:10:27 | 712ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 16:49:59 | 1694ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-29 08:35:03 | 2874ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 10:00:12 | 709ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:19:22 | 1731ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:14:21 shown | 3129ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:04:40 | 417ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:01:11 | 569ms | 2 NS 2 A 1 MX | 🔓 Insecure |