biom.dk

📜 Historical scan 2026-07-02 13:34:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biom.dk is a .dk domain served by 2 nameservers (coby.ns.cloudflare.com, tia.ns.cloudflare.com). It was registered on 21 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.52 is hosted by Cloudflare, Inc. (AS13335). 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
coby.ns.cloudflare.com	108.162.193.92 172.64.33.92 173.245.59.92 2606:4700:58::adf5:3b5c 2803:f800:50::6ca2:c15c 2a06:98c1:50::ac40:215c	coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com coby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tia.ns.cloudflare.com	108.162.192.229 172.64.32.229 173.245.58.229 2606:4700:50::adf5:3ae5 2803:f800:50::6ca2:c0e5 2a06:98c1:50::ac40:20e5	tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.136	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:4b34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d688	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.52,172.67.214.136 ech=AEX+DQBBUwAgACAc+8mkEk8wBqOwWAPqRlfB+cWX1VBYN5cmNifO0DJkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4b34,2606:4700:3033::ac43:d688

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-12 03:24:46

www	104.21.75.52 172.67.214.136 2606:4700:3031::ac43:d688 2606:4700:3032::6815:4b34 (AS13335) (address records, no CNAME)
www vs bare domain	Same network biom.dk: 104.21.75.52 172.67.214.136 2606:4700:3031::ac43:d688 2606:4700:3032::6815:4b34 (AS13335) www.biom.dk: 104.21.75.52 172.67.214.136 2606:4700:3031::ac43:d688 2606:4700:3032::6815:4b34 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2079ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2403738262
Primary NS (MNAME)	coby.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 23:59:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-08-21
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

57ms

53ms

AAAA

48ms

TXT

180ms

CAA

37ms

HTTPS

45ms

TLSA

51ms

SOA

43ms

MTA-STS

71ms

DNSSEC

2079ms

SRV

69ms

Total

2713ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-14 08:08:22	1293ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 16:16:12	1614ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-01 05:27:33	545ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 11:16:11	488ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-15 10:07:51	8697ms	2 NS 2 A 0 MX	❓ Unknown
2026-07-07 00:14:06	1514ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 13:34:21 shown	2713ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 20:58:59	5955ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 21:28:54	1047ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 00:58:43	1989ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 01:10:34	437ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 14:38:12	451ms	2 NS 2 A 0 MX	🔓 Insecure