biolog.dk

Records from scan: 2026-10-18 10:42:39 · 460ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biolog.dk is a .dk domain served by 2 nameservers (sean.ns.cloudflare.com, simone.ns.cloudflare.com). It was registered on 18 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.176 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, 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.

🖥️ Nameservers#

2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
sean.ns.cloudflare.com	108.162.193.231 172.64.33.231 173.245.59.231 2606:4700:58::adf5:3be7 2803:f800:50::6ca2:c1e7 2a06:98c1:50::ac40:21e7	sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.176	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.27	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.176,172.67.177.27 ech=AEX+DQBBFQAgACBKnl8CjLA8UjtHuFwXdUrr6pWTuEJP/JuSun0IYyROYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5bb0,2606:4700:3033::ac43:b11b

📝 TXT Records#

1 records 165ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (biolog.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.biolog.dk)
p=reject	v=DMARC1; p=reject;

📬 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#

checked 2026-10-18 10:42:40

www	104.21.91.176 172.67.177.27 2606:4700:3033::6815:5bb0 2606:4700:3033::ac43:b11b (AS13335) (address records, no CNAME)
www vs bare domain	Same network biolog.dk: 104.21.91.176 172.67.177.27 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.biolog.dk: 104.21.91.176 172.67.177.27 2606:4700:3033::6815:5bb0 2606:4700:3033::ac43:b11b (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.biolog.dk	ryWKk2GBn4DNKbjTYgsLtKiNhYFK9R89WEy9BdEfepw
TXT	_acme-challenge.biolog.dk	y8QZCqWPp4L7YEB7uPyL046H4huIrsp5mHLRDegUHOE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2417722947
Primary NS (MNAME)	sean.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 10:58:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-02-18
Expires	2027-02-28 (132d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

41ms

48ms

AAAA

45ms

TXT

165ms

CAA

43ms

HTTPS

39ms

TLSA

53ms

SOA

48ms

MTA-STS

60ms

DNSSEC

67ms

SRV

58ms

Total

460ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 10:42:39 shown	460ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 03:24:10	600ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-25 13:45:51	881ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-10 12:43:22	1051ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-29 16:42:52	960ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:38:16	440ms	5 NS 1 A 1 MX	🔒 Secure