sudo.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
joel.ns.cloudflare.com	108.162.193.184 172.64.33.184 173.245.59.184 2606:4700:58::adf5:3bb8 2803:f800:50::6ca2:c1b8 2a06:98c1:50::ac40:21b8	joel.ns.cloudflare.com joel.ns.cloudflare.com joel.ns.cloudflare.com joel.ns.cloudflare.com joel.ns.cloudflare.com joel.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.32	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
6	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
57	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
96	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.185.205
🔶 Autoconfig	104.21.92.32

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:b9cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5c20	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.32,172.67.185.205 ech=AEX+DQBBagAgACDFlEgO7kkWlmaDopnRGSrAPVUkObbvtEtH2aTsMPdxSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:b9cd,2606:4700:3036::6815:5c20

📝 TXT Records2 records 219ms

TXT Record
google-site-verification=fBrfWUawTDeJXUuyVzbfOcprvAcEOGOVy4DlCbP9MgI
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (sudo.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~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 / DANE9 records 147ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC63ms

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	2410719658
Primary NS (MNAME)	joel.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

39ms

A

33ms

MX

43ms

AAAA

43ms

TXT

219ms

CAA

35ms

HTTPS

39ms

TLSA

147ms

SOA

0ms

MTA-STS

59ms

DNSSEC

63ms

SRV

60ms

Total

2640ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-28 19:01:19	2640ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-21 00:23:53	4961ms	2 NS 2 A 3 MX	❓ Unknown	View
2026-07-02 12:37:21	10321ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-24 05:47:36	2530ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-23 14:22:23	922ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 23:58:50	819ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 12:18:43	1188ms	2 NS 2 A 3 MX	🔓 Insecure	View