bybirdie.dk is a .dk domain served by 2 nameservers (asa.ns.cloudflare.com, augustus.ns.cloudflare.com). It was registered on 3 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by bybirdie-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.66.182 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.163.54 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:42b6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a336 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.66.182,172.67.163.54 ech=AEX+DQBBZAAgACBE7FJhuChnse1RS9qz6NhQ9Q+BbmxIiiKJ7jq+so0IbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:42b6,2606:4700:3037::ac43:a336 |
| TXT Record |
|---|
| apple-domain-verification=3Obbk9Pi-ff9pAHU8czUmNJ30gV9nVS7cUsY10WShqI |
| brevo-code:dc60d00b78c7b518d2610d14c1060c2d |
| google-site-verification=NCc7CLo9_bjtE9OaW0fa5XH8JuNn5Amil9ppWIh27Mg |
| google-site-verification=OPZ6yU3YBno6U6ScNJJeTbD-epXys-T6P-K9y6d6lPo |
| google-site-verification=tfVbvhLUId3C7NtSV7--3Ph0QDRtlw_vroSnI14dPkA |
| MS=ms47834380 |
| openai-domain-verification=dv-RkS3cq95dA8fvkPavs1GWNI7 |
| v=spf1 ip4:178.20.216.113 ip4:23.88.73.89 include:spf.protection.outlook.com include:spf.brevo.com mx ~all |
| Policy | Record (bybirdie.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.113 ip4:23.88.73.89 include:spf.protection.outlook.com include:spf.brevo.com mx ~all |
| Policy | Record (_dmarc.bybirdie.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400 |
| www | 37.27.54.250 2a01:4f9:3081:3d44::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Different networks bybirdie.dk: 104.21.66.182 172.67.163.54 2606:4700:3033::6815:42b6 2606:4700:3037::ac43:a336 (AS13335) (all like this)www.bybirdie.dk: 37.27.54.250 2a01:4f9:3081:3d44::2 (AS24940) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| — | RSA · ~1024 bit below 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: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.bybirdie.dk | 6tAUncswmlxd9wh9CvAd7mlpu6sUL_ViXmShQFe2i-Y |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417195878 |
| Primary NS (MNAME) | asa.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 | 2011-02-03 |
| Expires | 2029-02-28 (864d) |
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 |
|---|---|---|---|
| 2026-10-12 11:53:18 shown | 1205ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-04 20:26:08 | 3133ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-02 20:13:41 | 968ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 20:03:22 | 1081ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-29 22:28:11 | 1689ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 20:39:07 | 928ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-07 06:25:29 | 1144ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-13 13:19:42 | 7300ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-07 09:06:06 | 1706ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-20 13:39:03 | 11244ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 14:46:44 | 1464ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 21:43:38 | 1126ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 18:19:56 | 2998ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 18:13:59 | 2106ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 18:06:16 | 829ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 18:00:04 | 986ms | 2 NS 2 A 1 MX | 🔒 Secure |