3xdev.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
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.
kayleigh.ns.cloudflare.com	108.162.194.92 162.159.38.92 172.64.34.92 2606:4700:50::a29f:265c 2803:f800:50::6ca2:c25c 2a06:98c1:50::ac40:225c	kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com kayleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.50.222
🔶 Autoconfig	172.67.167.162

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 236ms

TXT Record
v=spf1 include:spf.scannet.dk ~all

✉️ SPF

Policy	Record (3xdev.dk)
~all (soft fail)	v=spf1 include:spf.scannet.dk ~all

📨 DMARC

Policy	Record (_dmarc.3xdev.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

📬 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.3xdev.dk	trLIXBr2xHDLpkSKSqIbqvfc65zuleCrraSL39pBR5Q
TXT	_acme-challenge.3xdev.dk	x4-b065zpSTC4rwmF6y8sAHwQhFwbApnCmGBP-MRG2k

🔗 TLSA / DANE1 records 50ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC86ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413310619
Primary NS (MNAME)	dan.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

32ms

MX

69ms

AAAA

56ms

TXT

236ms

CAA

32ms

HTTPS

41ms

TLSA

50ms

SOA

0ms

MTA-STS

56ms

DNSSEC

86ms

SRV

75ms

Total

712ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 17:52:33	747ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 16:25:44	712ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 04:08:10	973ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-22 23:49:34	1479ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-03 18:54:09	943ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-01 23:31:36	831ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 12:44:47	545ms	2 NS 0 A 1 MX	🔓 Insecure	View