birk.dk

📜 Historical scan 2026-09-21 23:03:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

birk.dk is a .dk domain served by 2 nameservers (clayton.ns.cloudflare.com, galilea.ns.cloudflare.com). It was registered on 20 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 140ms

Nameserver	IP addresses	PTR	ASN / ISP
clayton.ns.cloudflare.com	108.162.195.226 162.159.44.226 172.64.35.226 2606:4700:58::a29f:2ce2 2803:f800:50::6ca2:c3e2 2a06:98c1:50::ac40:23e2	clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com clayton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
galilea.ns.cloudflare.com	108.162.194.233 162.159.38.233 172.64.34.233 2606:4700:50::a29f:26e9 2803:f800:50::6ca2:c2e9 2a06:98c1:50::ac40:22e9	galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com galilea.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.191	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.121	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.163.121
🔶 Autoconfig	172.67.163.121

🔷 AAAA Records (IPv6)#

2 records 137ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:42bf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a379	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 126ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.191,172.67.163.121 ech=AEX+DQBBNwAgACAnYuMw50wmmi0IzRZCGBMXXCAV+Er4a9sR/BueMIpAZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:42bf,2606:4700:3035::ac43:a379

📝 TXT Records#

2 records 295ms

TXT Record
google-site-verification=9r4UXsLpYwd5cau8RY8wzBGo_jiXZVlR1gxhsfJqcN4
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (birk.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.birk.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:74bc0dd1467b4c4fba6a84444f8a1718@dmarc-reports.cloudflare.net,mailto:9a620805aa@rua.easydmarc.eu; ruf=mailto:9a620805aa@ruf.easydmarc.eu; rf=afrf; pct=100; ri=86400

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:15:40

www	104.21.66.191 172.67.163.121 2606:4700:3032::6815:42bf 2606:4700:3035::ac43:a379 (AS13335) (address records, no CNAME)
www vs bare domain	Same network birk.dk: 104.21.66.191 172.67.163.121 2606:4700:3032::6815:42bf 2606:4700:3035::ac43:a379 (AS13335) www.birk.dk: 104.21.66.191 172.67.163.121 2606:4700:3032::6815:42bf 2606:4700:3035::ac43:a379 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.birk.dk	MBmZK-B3aIh0JIrqArOHOEq9-hPvlEVaS7LGSkapncg
TXT	_acme-challenge.birk.dk	eufZQpTdsd4StKUI9OHQIMaW5NQTbyDfGDSMGbrEtjY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

179ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2415393473
Primary NS (MNAME)	clayton.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 06:27:53

Field	Value
Registrar	Simply.com A/S
Registered	2012-12-20
Expires	2035-07-31 (3207d)

📋 WHOIS#

⏱️ Lookup Timing#

140ms

111ms

90ms

AAAA

137ms

TXT

295ms

CAA

90ms

HTTPS

126ms

TLSA

94ms

SOA

0ms

MTA-STS

128ms

DNSSEC

179ms

SRV

147ms

Total

1135ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:15:40	1078ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 07:50:54	846ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 07:15:54	1353ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 23:58:37	775ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 23:03:49 shown	1135ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 21:32:55	1232ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-09 08:53:03	1309ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-02 05:18:13	760ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 13:22:50	4473ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 18:24:34	1608ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-24 01:24:01	1409ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 16:46:13	1649ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-30 16:04:26	939ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 10:18:11	885ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 19:21:30	961ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-19 01:32:59	1077ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 14:39:40	479ms	2 NS 2 A 1 MX	🔒 Secure