biro.dk

📜 Historical scan 2026-08-20 18:59:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biro.dk is a .dk domain served by 2 nameservers (kareem.ns.cloudflare.com, karina.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.

🖥️ Nameservers#

2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
kareem.ns.cloudflare.com	108.162.195.22 162.159.44.22 172.64.35.22 2606:4700:58::a29f:2c16 2803:f800:50::6ca2:c316 2a06:98c1:50::ac40:2316	kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
karina.ns.cloudflare.com	108.162.192.178 172.64.32.178 173.245.58.178 2606:4700:50::adf5:3ab2 2803:f800:50::6ca2:c0b2 2a06:98c1:50::ac40:20b2	karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.ns.cloudflare.com karina.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.3	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.132	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.73.27 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a	lq-in-f27.1e100.net lq-in-f26.1e100.net lq-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.221.132
🔶 Autoconfig	104.21.25.3

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:1903	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:dd84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.3,172.67.221.132 ech=AEX+DQBB1gAgACAStrpWha2cTP4QL6Xxhol2DTodp8JFbRtJymmAemNEYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:1903,2606:4700:3037::ac43:dd84

📝 TXT Records#

2 records 196ms

TXT Record
google-site-verification=fzhJ4N537u2IpHf96v9rhoXfVpVpxTU5Nk3VYVwTu8o
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-11 18:21:17

www	104.21.25.3 172.67.221.132 2606:4700:3036::6815:1903 2606:4700:3037::ac43:dd84 (AS13335) (address records, no CNAME)
www vs bare domain	Same network biro.dk: 104.21.25.3 172.67.221.132 2606:4700:3036::6815:1903 2606:4700:3037::ac43:dd84 (AS13335) www.biro.dk: 104.21.25.3 172.67.221.132 2606:4700:3036::6815:1903 2606:4700:3037::ac43:dd84 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.biro.dk	T4xb9VVmGft8bCYAETJRECYajnj65a2FGJhuvpHN4Bw
TXT	_acme-challenge.biro.dk	XxQl3tg9ZgsWRP0i1BG39X284V01Q_HOf9Q82F43xHc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2412714055
Primary NS (MNAME)	kareem.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

56ms

48ms

46ms

AAAA

36ms

TXT

196ms

CAA

56ms

HTTPS

51ms

TLSA

140ms

SOA

0ms

MTA-STS

71ms

DNSSEC

98ms

SRV

81ms

Total

1630ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 03:16:01	1382ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 14:38:47	2656ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-21 19:13:27	1933ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-20 18:59:08 shown	1630ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 02:51:41	912ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 13:18:40	671ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 05:06:16	1012ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 14:45:26	540ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 14:40:32	672ms	2 NS 2 A 5 MX	🔓 Insecure