biosynth.dk

📜 Historical scan 2026-07-02 01:39:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biosynth.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 20 December 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 149.126.4.74 is hosted by cyon AG (AS47302) in Switzerland. Mail is handled by mx00.udag.de, mx01.udag.de. The zone is not DNSSEC-signed, has no 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#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.udag.de	2001:8d8:fe:53:217:160:80:253 217.160.80.253	ns.udag.de ns.udag.de	AS8560 IONOS SE AS8560 IONOS SE
ns.udag.net	185.132.33.253 2607:f1c0:fe:53:185:132:33:253	ns.udag.net ns.udag.net	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns.udag.org	185.132.34.253 2607:f1c0:fe:53:185:132:34:253	ns.udag.org ns.udag.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
149.126.4.74	600s	s065.cyon.net	AS47302	cyon AG	149.126.0.0/21	🇨🇭 Switzerland	—

📧 MX Records#

2 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx00.udag.de	62.146.106.39	mx00.udag.de	AS15598 NorthC Deutschland GmbH
20	3600s	mx01.udag.de	62.146.106.40	mx01.udag.de	AS15598 NorthC Deutschland GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	149.126.4.74
🔶 Autoconfig	149.126.4.74

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-09 10:57:48

www	149.126.4.74 (AS47302) (address records, no CNAME)
www vs bare domain	Same network biosynth.dk: 149.126.4.74 (AS47302) www.biosynth.dk: 149.126.4.74 (AS47302)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2021020900
Primary NS (MNAME)	ns.udag.de
Responsible (RNAME)	hostmaster@united-domains.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 14:10:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-12-20
Expires	2026-12-31 (72d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

49ms

58ms

AAAA

41ms

TXT

257ms

CAA

49ms

HTTPS

41ms

TLSA

279ms

SOA

40ms

MTA-STS

72ms

DNSSEC

120ms

SRV

90ms

Total

911ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:57:48	1100ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-24 21:19:19	9578ms	3 NS 1 A 2 MX	🔓 Insecure
2026-07-02 01:39:37 shown	911ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-16 14:38:42	588ms	3 NS 1 A 2 MX	🔓 Insecure