rudecru.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
anirban.ns.cloudflare.com	108.162.193.64 172.64.33.64 173.245.59.64 2606:4700:58::adf5:3b40 2803:f800:50::6ca2:c140 2a06:98c1:50::ac40:2140	anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com anirban.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.103	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.86	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	rudecru.com → 172.67.169.86
🔶 Autoconfig	rudecru.com → 172.67.169.86

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5767	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a956	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 181ms

TXT Record
google-site-verification=56ZajxTMjdauwBXVatMih-GVGrsyIYsCDGdFdNzarsI
klaviyo-site-verification=R97v3J
klaviyo-site-verification=WjnT2g
v=spf1 a mx include:spf.simply.com include:spf.speedio.dk include:send.heysender.com include:klaviyomail.com ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:173.194.0.0/16 ip4:167.89.0.0/17 ~all

✉️ SPF

Policy	Record (rudecru.dk)
~all (soft fail)	v=spf1 a mx include:spf.simply.com include:spf.speedio.dk include:send.heysender.com include:klaviyomail.com ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:173.194.0.0/16 ip4:167.89.0.0/17 ~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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.rudecru.dk	rudecru.com
TXT	rudecru.com	klaviyo-site-verification=R97v3J
TXT	rudecru.com	klaviyo-site-verification=WjnT2g

🔗 TLSA / DANE2 records 75ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC111ms

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	2412828162
Primary NS (MNAME)	anirban.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

49ms

A

56ms

MX

34ms

AAAA

46ms

TXT

181ms

CAA

31ms

HTTPS

48ms

TLSA

75ms

SOA

0ms

MTA-STS

98ms

DNSSEC

111ms

SRV

98ms

Total

1331ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:08:41	1331ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 05:40:26	842ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 09:56:00	4656ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 09:44:15	3021ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 19:36:43	9922ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 22:38:27	698ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:22:39	1653ms	2 NS 2 A 1 MX	🔓 Insecure	View