zuzana.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
heidi.ns.cloudflare.com	108.162.194.236 162.159.38.236 172.64.34.236 2606:4700:50::a29f:26ec 2803:f800:50::6ca2:c2ec 2a06:98c1:50::ac40:22ec	heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stanley.ns.cloudflare.com	108.162.195.141 162.159.44.141 172.64.35.141 2606:4700:58::a29f:2c8d 2803:f800:50::6ca2:c38d 2a06:98c1:50::ac40:238d	stanley.ns.cloudflare.com stanley.ns.cloudflare.com stanley.ns.cloudflare.com stanley.ns.cloudflare.com stanley.ns.cloudflare.com stanley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.70	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.56	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1146	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:df38	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.70,172.67.223.56 ech=AEX+DQBBSwAgACB8hS7XGTvwvsw2I2tpNnL/N/Dx/JBih2q1hmm6BxbXYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1146,2606:4700:3034::ac43:df38

📝 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)

🔐 DNSSEC111ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2411860500
Primary NS (MNAME)	heidi.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

50ms

A

49ms

MX

55ms

AAAA

43ms

TXT

226ms

CAA

48ms

HTTPS

62ms

TLSA

61ms

SOA

0ms

MTA-STS

67ms

DNSSEC

111ms

SRV

101ms

Total

597ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:33:18	597ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-11 17:57:44	1088ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-30 15:34:53	1333ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-18 02:59:48	9218ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 02:03:31	1162ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-22 19:43:18	1154ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 16:45:25	982ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 03:23:00	1374ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 19:15:11	3424ms	2 NS 2 A 0 MX	🔒 Secure	View