prepping-guide.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.47.245	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.144	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	webhotel14.webhosting.dk	157.250.160.34	webhotel14.webhosting.dk	AS3342 Cibicom A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.47.245
🔶 Autoconfig	104.21.47.245

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2ff5	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:ae90	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 91ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.245,172.67.174.144 ech=AEX+DQBBIwAgACDj9aMTM9rYGGutNorsxuIpZxCDAv16YxX4SW1Ew+u2KQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2ff5,2606:4700:3035::ac43:ae90

📝 TXT Records1 records 229ms

TXT Record
google-site-verification=d8VVBEA_6bISwZb4TF0REolvLrwgIPiz31atSDZgLoE

✉️ 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 / DANE2 records 68ms

Service / Owner	Type	Cert association
SMTP _25._tcp.webhotel14.webhosting.dk	DANE-TA · SPKI · SHA-256	FA4EFC305AA17A4FEEE8B29B2DAA8847…
SMTP _25._tcp.webhotel14.webhosting.dk	DANE-EE · SPKI · SHA-256	FA4EFC305AA17A4FEEE8B29B2DAA8847…

🔐 DNSSEC77ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA40ms

Field	Value
Serial	2406302981
Primary NS (MNAME)	barbara.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

41ms

A

47ms

MX

47ms

AAAA

47ms

TXT

229ms

CAA

39ms

HTTPS

91ms

TLSA

68ms

SOA

40ms

MTA-STS

39ms

DNSSEC

77ms

SRV

93ms

Total

895ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 20:32:33	761ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 03:43:24	668ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 12:12:20	2916ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 08:58:35	9002ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 22:09:22	911ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 15:33:57	895ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 22:26:16	814ms	2 NS 2 A 1 MX	🔓 Insecure	View