biozvin.dk

📜 Historical scan 2026-09-23 19:06:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biozvin.dk is a .dk domain served by 2 nameservers (sonny.ns.cloudflare.com, susan.ns.cloudflare.com). It was registered on 18 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
sonny.ns.cloudflare.com	108.162.195.66 162.159.44.66 172.64.35.66 2606:4700:58::a29f:2c42 2803:f800:50::6ca2:c342 2a06:98c1:50::ac40:2342	sonny.ns.cloudflare.com sonny.ns.cloudflare.com sonny.ns.cloudflare.com sonny.ns.cloudflare.com sonny.ns.cloudflare.com sonny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
susan.ns.cloudflare.com	108.162.194.199 162.159.38.199 172.64.34.199 2606:4700:50::a29f:26c7 2803:f800:50::6ca2:c2c7 2a06:98c1:50::ac40:22c7	susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
10.13.37.42	300s	—	—	—	—	—	—

📧 MX Records#

2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	10.13.37.42
🔶 Autoconfig	10.13.37.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 209ms

TXT Record
protonmail-verification=a090dc07cf1d05b6741119c4458fd2a64be8df10
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (biozvin.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.biozvin.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 09:41:45

www	10.13.37.42 (address records, no CNAME)
www vs bare domain	Same network biozvin.dk: 10.13.37.42 www.biozvin.dk: 10.13.37.42
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

114ms

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	2415600396
Primary NS (MNAME)	sonny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 20:09:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-07-18
Expires	2027-07-17 (273d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

35ms

44ms

AAAA

46ms

TXT

209ms

CAA

36ms

HTTPS

46ms

TLSA

81ms

SOA

0ms

MTA-STS

92ms

DNSSEC

114ms

SRV

79ms

Total

811ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 09:41:45	2344ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-03 19:22:45	1085ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 19:00:39	946ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 14:51:03	2593ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-23 19:06:09 shown	811ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-21 02:20:22	1267ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-08 06:58:55	1220ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-04 06:10:48	1238ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-16 00:59:41	4770ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-07 20:33:11	1416ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-25 02:50:43	1658ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-21 17:40:22	3078ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-08 15:17:30	10243ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-02 01:29:56	940ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 14:39:10	594ms	2 NS 1 A 2 MX	🔓 Insecure