prazsky-krysarik.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
norm.ns.cloudflare.com	108.162.193.134 172.64.33.134 173.245.59.134 2606:4700:58::adf5:3b86 2803:f800:50::6ca2:c186 2a06:98c1:50::ac40:2186	norm.ns.cloudflare.com norm.ns.cloudflare.com norm.ns.cloudflare.com norm.ns.cloudflare.com norm.ns.cloudflare.com norm.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.194	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.5	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.171.5
🔶 Autoconfig	172.67.171.5

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ab05	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4fc2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.194,172.67.171.5 ech=AEX+DQBBfwAgACAl533IcYXJW6qRoWgs+SnvMJ2J4HeTQMoPUhdZ2CFeYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ab05,2606:4700:3035::6815:4fc2

📝 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)

🔐 DNSSEC94ms

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	2412631371
Primary NS (MNAME)	lucy.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

42ms

A

51ms

MX

43ms

AAAA

38ms

TXT

200ms

CAA

49ms

HTTPS

53ms

TLSA

61ms

SOA

0ms

MTA-STS

70ms

DNSSEC

94ms

SRV

78ms

Total

1259ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 18:15:14	1259ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-20 05:41:20	1965ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 03:39:53	3795ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-16 11:45:40	4944ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-11 13:46:45	844ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 17:22:36	803ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 11:45:03	959ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 22:24:22	748ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 03:26:11	1852ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-17 11:33:02	1226ms	2 NS 2 A 0 MX	🔓 Insecure	View