biso.dk

📜 Historical scan 2026-09-27 15:14:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biso.dk is a .dk domain served by 2 nameservers (kip.ns.cloudflare.com, pearl.ns.cloudflare.com). It was registered on 9 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.11 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pearl.ns.cloudflare.com	108.162.194.140 162.159.38.140 172.64.34.140 2606:4700:50::a29f:268c 2803:f800:50::6ca2:c28c 2a06:98c1:50::ac40:228c	pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.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 23ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.11	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.64	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 64.233.163.26	lo-in-x1b.1e100.net lo-in-f27.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	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	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a640	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4b0b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.11,172.67.166.64 ech=AEX+DQBBCgAgACAtPlidRLV4eBHP30wO3HqR8gVZMOf60Kz6FDuZ1HnkXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a640,2606:4700:3036::6815:4b0b

📝 TXT Records#

1 records 175ms

TXT Record
google-site-verification=rVPPyTpwXOv-USalSrcduLbCiswNK8kVrdMdQBHGZOg

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-16 07:01:19

www	104.21.75.11 172.67.166.64 2606:4700:3033::ac43:a640 2606:4700:3036::6815:4b0b (AS13335) (address records, no CNAME)
www vs bare domain	Same network biso.dk: 104.21.75.11 172.67.166.64 2606:4700:3033::ac43:a640 2606:4700:3036::6815:4b0b (AS13335) www.biso.dk: 104.21.75.11 172.67.166.64 2606:4700:3033::ac43:a640 2606:4700:3036::6815:4b0b (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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	2413931571
Primary NS (MNAME)	kip.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 15:30:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-10-09
Expires	2027-10-31 (378d)

🔗 Same registrant#

3 domains

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).

Domain	Registrar
55x.dk	Punktum dk A/S (direct)
bildeco.dk	Punktum dk A/S (direct)
steffenbilde.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

23ms

37ms

AAAA

32ms

TXT

175ms

CAA

35ms

HTTPS

47ms

TLSA

81ms

SOA

0ms

MTA-STS

54ms

DNSSEC

60ms

SRV

55ms

Total

729ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 16:05:59	1035ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 15:14:07 shown	729ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-12 20:24:43	3100ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-03 22:15:37	750ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-05 21:03:41	1800ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-06 21:13:32	9680ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 10:09:58	1010ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 14:54:11	1091ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 14:41:33	2671ms	2 NS 2 A 5 MX	🔓 Insecure