tetzlaffs.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
josh.ns.cloudflare.com	108.162.193.126 172.64.33.126 173.245.59.126 2606:4700:58::adf5:3b7e 2803:f800:50::6ca2:c17e 2a06:98c1:50::ac40:217e	josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com josh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.201	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	194.126.234.120
🔶 Autoconfig	194.126.234.120

🔷 AAAA Records (IPv6)2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:3dc9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d647	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.201,172.67.214.71 ech=AEX+DQBBKwAgACBZMzmi92S55TkOZ1fj2EwjzMk54Bu4d2qWP/dP5daBcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3dc9,2606:4700:3037::ac43:d647

📝 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)

🔐 DNSSEC92ms

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	2410910938
Primary NS (MNAME)	josh.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

53ms

A

55ms

MX

59ms

AAAA

51ms

TXT

221ms

CAA

62ms

HTTPS

56ms

TLSA

65ms

SOA

0ms

MTA-STS

72ms

DNSSEC

92ms

SRV

91ms

Total

597ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 21:41:01	597ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-31 10:24:48	777ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-19 07:14:54	960ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 11:46:54	1064ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 01:05:12	724ms	2 NS 2 A 0 MX	🔓 Insecure	View