u19wfc2023.dk DNS records

🖥️ Nameservers2 records 107ms

Nameserver	IP addresses	PTR	ASN / ISP
rudy.ns.cloudflare.com	108.162.193.229 172.64.33.229 173.245.59.229 2606:4700:58::adf5:3be5 2803:f800:50::6ca2:c1e5 2a06:98c1:50::ac40:21e5	rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sloan.ns.cloudflare.com	108.162.194.52 162.159.38.52 172.64.34.52 2606:4700:50::a29f:2634 2803:f800:50::6ca2:c234 2a06:98c1:50::ac40:2234	sloan.ns.cloudflare.com sloan.ns.cloudflare.com sloan.ns.cloudflare.com sloan.ns.cloudflare.com sloan.ns.cloudflare.com sloan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.215	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.110	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.55.215
🔶 Autoconfig	172.67.173.110

🔷 AAAA Records (IPv6)2 records 102ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ad6e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:37d7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 112ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.215,172.67.173.110 ech=AEX+DQBBjAAgACCQPut+5uDeTqpG7w/B5EldB1/CcO6m4YJlqsBhOfrbUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ad6e,2606:4700:3035::6815:37d7

📝 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)

🔐 DNSSEC301ms

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	2413451975
Primary NS (MNAME)	rudy.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

107ms

A

102ms

MX

105ms

AAAA

102ms

TXT

395ms

CAA

101ms

HTTPS

112ms

TLSA

154ms

SOA

0ms

MTA-STS

227ms

DNSSEC

301ms

SRV

197ms

Total

1371ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:20:59	1371ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-28 16:14:50	2151ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 12:19:06	576ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-20 03:43:57	9759ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-01 21:01:23	1536ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 08:35:57	952ms	3 NS 1 A 2 MX	🔓 Insecure	View