3xd.dk

📜 Historical scan 2026-06-20 00:04:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3xd.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.43.11 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 3xd-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

4 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.43.11	3600s	linux11.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	3xd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 52.101.73.16 52.101.73.2 52.101.73.22 52.101.73.28	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 214ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.scannet.dk include:sendgrid.net -all

✉️ SPF#

Policy	Record (3xd.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.scannet.dk include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.3xd.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 04:37:06

www CNAME	3xd.dk (all on 3xd.dk) → 185.21.43.11 (AS48854)
www vs bare domain	Same network 3xd.dk: 185.21.43.11 (AS48854) www.3xd.dk: 185.21.43.11 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

105ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

37ms

Field	Value
Serial	2026030600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 05:00:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-01-06
Expires	2030-01-31 (1202d)

🔗 Same registrant#

7 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
byggeprojektet.dk	Punktum dk A/S (direct)
cloudelite.dk	Punktum dk A/S (direct)
helhedsprojekt.dk	Punktum dk A/S (direct)
proptechai.dk	Punktum dk A/S (direct)
struck-jensen.dk	Punktum dk A/S (direct)
tilbudsweb.dk	Punktum dk A/S (direct)
what-the-fuck.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

34ms

39ms

AAAA

34ms

TXT

214ms

CAA

37ms

HTTPS

33ms

TLSA

561ms

SOA

37ms

MTA-STS

235ms

DNSSEC

105ms

SRV

181ms

Total

1082ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:37:06	1883ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 12:39:53	712ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 11:26:03	859ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-17 17:06:35	1328ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-24 20:40:04	854ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-28 23:25:26	1170ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 17:23:54	1468ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:04:09 shown	1082ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:53:10	3442ms	4 NS 1 A 1 MX	🔒 Secure