3xdev.dk

📜 Historical scan 2026-08-27 16:25:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3xdev.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, kayleigh.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.spamfilter.io. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

1 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 11:54:18

www	104.21.50.222 172.67.167.162 2606:4700:3033::6815:32de 2606:4700:3033::ac43:a7a2 (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves 3xdev.dk: no address www.3xdev.dk: 104.21.50.222 172.67.167.162 2606:4700:3033::6815:32de 2606:4700:3033::ac43:a7a2 (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u42695628.wl129.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u42695628.wl129.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.3xdev.dk	trLIXBr2xHDLpkSKSqIbqvfc65zuleCrraSL39pBR5Q
TXT	_acme-challenge.3xdev.dk	x4-b065zpSTC4rwmF6y8sAHwQhFwbApnCmGBP-MRG2k

🔗 TLSA / DANE#

1 records 50ms

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

0ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

39ms

32ms

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
2026-09-09 21:44:16	1066ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-04 13:47:52	1162ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 17:52:33	747ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 16:25:44 shown	712ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 04:08:10	973ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-22 23:49:34	1479ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-03 18:54:09	943ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-01 23:31:36	831ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 12:44:47	545ms	2 NS 0 A 1 MX	🔓 Insecure