netbiologen.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
viddy.ns.cloudflare.com	108.162.195.99 162.159.44.99 172.64.35.99 2606:4700:58::a29f:2c63 2803:f800:50::6ca2:c363 2a06:98c1:50::ac40:2363	viddy.ns.cloudflare.com viddy.ns.cloudflare.com viddy.ns.cloudflare.com viddy.ns.cloudflare.com viddy.ns.cloudflare.com viddy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.132	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.144	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:784	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bb90	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.132,172.67.187.144 ech=AEX+DQBBvAAgACAjBvVHkFpqArpRl920aDwCdfppSK52abJazKltW9VlRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:784,2606:4700:3036::ac43:bb90

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC106ms

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

🏷️ SOA0ms

Field	Value
Serial	2413268741
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

31ms

MX

26ms

AAAA

35ms

TXT

154ms

CAA

24ms

HTTPS

29ms

TLSA

43ms

SOA

0ms

MTA-STS

44ms

DNSSEC

106ms

SRV

57ms

Total

492ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:42:39	492ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 06:49:06	2350ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-15 19:12:41	834ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 16:36:02	19216ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-23 06:06:05	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 07:55:22	6259ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 14:06:09	1756ms	2 NS 1 A 0 MX	🔓 Insecure	View