examprep.dk DNS records

🖥️ Nameservers2 records 105ms

Nameserver	IP addresses	PTR	ASN / ISP
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sid.ns.cloudflare.com	108.162.193.143 172.64.33.143 173.245.59.143 2606:4700:58::adf5:3b8f 2803:f800:50::6ca2:c18f 2a06:98c1:50::ac40:218f	sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.18.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.201	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 97ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:b5c9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1272	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 97ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.18.114,172.67.181.201 ech=AEX+DQBBbQAgACDq5ptK1ZSRUTBxz7UGx+0FHPc6JjZ1C4JMqRouYCazWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b5c9,2606:4700:3036::6815:1272

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.examprep.dk	fVuwOw0DZiZLA0TFDOTb56UMMoZ5Qn7EcJwMsJ1mqN4
TXT	_acme-challenge.examprep.dk	jEwqFVB_-Uh1XG_xOKen8wtIOWJovpk1o396XjpKq9U

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC247ms

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	2413560899
Primary NS (MNAME)	ruth.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

105ms

A

99ms

MX

56ms

AAAA

97ms

TXT

288ms

CAA

63ms

HTTPS

97ms

TLSA

109ms

SOA

0ms

MTA-STS

117ms

DNSSEC

247ms

SRV

131ms

Total

972ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:45:27	972ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 23:33:19	9479ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-17 01:38:40	2731ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 01:31:30	1033ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 14:45:49	729ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 06:25:57	858ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 09:08:30	895ms	2 NS 2 A 0 MX	🔓 Insecure	View