rdrevision.dk DNS records

🖥️ Nameservers2 records 61ms

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.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.83	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.252	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rdrevision.dk.mx.one.com	185.10.9.212 185.10.9.213 185.10.9.214 185.10.9.215	mx1.pub.mailpod14-cph3.one.com mx2.pub.mailpod14-cph3.one.com mx3.pub.mailpod14-cph3.one.com mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:9dfc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3a53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.83,172.67.157.252 ech=AEX+DQBB3QAgACANZZD4/H2thbBLnTNJyLm3eCjbGOLeQewG9SHS5P4HDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9dfc,2606:4700:3035::6815:3a53

📝 TXT Records2 records 209ms

TXT Record
google-site-verification=mjpvhN59uvIXh3avqfRjNyYRxhxTMOh9rm6RwNZH3kI
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (rdrevision.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 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)

🔐 DNSSEC89ms

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	2410554120
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

61ms

A

50ms

MX

58ms

AAAA

56ms

TXT

209ms

CAA

67ms

HTTPS

64ms

TLSA

86ms

SOA

0ms

MTA-STS

66ms

DNSSEC

89ms

SRV

69ms

Total

649ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:54:08	649ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-26 19:37:20	1145ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-30 01:59:00	1190ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 06:45:37	853ms	2 NS 2 A 1 MX	🔓 Insecure	View