bison.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kirk.ns.cloudflare.com	108.162.193.192 172.64.33.192 173.245.59.192 2606:4700:58::adf5:3bc0 2803:f800:50::6ca2:c1c0 2a06:98c1:50::ac40:21c0	kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.13	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.176	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4f0d	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:a8b0	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.13,172.67.168.176 ech=AEX+DQBBmAAgACDBF3wwLQF81o3tgVnKmQwfQJ7XDq6lfj/8zj9KtVU3VQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4f0d,2606:4700:3030::ac43:a8b0

📝 TXT Records2 records 250ms

TXT Record
5h8lkafcvpub783f2nveivnptc
bmlu0ednrm0acdga61aubinhb9

✉️ 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)

🔐 DNSSEC70ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'bison.dk/DS/IN': 127.0.0.1#53

🏷️ SOA25ms

Field	Value
Serial	2405463183
Primary NS (MNAME)	cortney.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

28ms

A

36ms

MX

35ms

AAAA

53ms

TXT

250ms

CAA

36ms

HTTPS

38ms

TLSA

150ms

SOA

25ms

MTA-STS

27ms

DNSSEC

70ms

SRV

65ms

Total

926ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:27:56	651ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-27 03:47:22	1059ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 22:54:00	1443ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 15:00:24	9844ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 08:37:17	926ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-16 14:41:13	403ms	2 NS 2 A 0 MX	🔓 Insecure	View