3xn.dk

Records from scan: 2026-10-09 16:39:25 · 888ms total · last checked 2026-10-16 07:25 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3xn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.59.214.242 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by 3xn-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
139.59.214.242	600s	237866.cloudwaysapps.com	AS14061	DigitalOcean, LLC	139.59.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	3xn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::f 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::6 52.101.185.21 52.101.68.10 52.101.73.155 52.101.91.153	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 88ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 131ms

TXT Record
miro-verification=a55d46ab2b93ca2add14d76a8c9521859f924116
v=spf1 include:spf-westeu.emailsignatures365.com include:_spf.emply.com ip4:62.61.159.238 ip4:83.94.103.200 ip4:217.63.124.70 ip4:62.116.200.222 include:spf.protection.outlook.com include:sendgrid.net include:mailwatch.onehosting.dk -all

✉️ SPF#

Policy	Record (3xn.dk)
-all (hard fail)	v=spf1 include:spf-westeu.emailsignatures365.com include:_spf.emply.com ip4:62.61.159.238 ip4:83.94.103.200 ip4:217.63.124.70 ip4:62.116.200.222 include:spf.protection.outlook.com include:sendgrid.net include:mailwatch.onehosting.dk -all

📨 DMARC#

Policy	Record (_dmarc.3xn.dk)
p=none (monitor only)	v=DMARC1; p=none; ri=43200; rua=mailto:rua-reports@cadesign.dk; ruf=mailto:ruf-reports@cadesign.dk

📬 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#

checked 2026-10-09 16:39:25

www	139.59.214.242 (AS14061) (address records, no CNAME)
www vs bare domain	Same network 3xn.dk: 139.59.214.242 (AS14061) www.3xn.dk: 139.59.214.242 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u22482998.wl249.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u22482998.wl249.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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026100901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-09 16:53:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-11-22
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

32ms

37ms

AAAA

39ms

TXT

131ms

CAA

35ms

HTTPS

30ms

TLSA

327ms

SOA

32ms

MTA-STS

45ms

DNSSEC

109ms

SRV

88ms

Total

888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 16:39:25 shown	888ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:43:22	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:42:46	873ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 04:36:51	1256ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:51:32	887ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:18:09	971ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 03:51:05	982ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:52:03	1203ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 05:34:09	5781ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 10:54:10	907ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:32:56	1095ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 14:35:41	1085ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 03:23:07	3265ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 20:48:53	1116ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:22:34	1233ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:02:39	9891ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:58:11	1802ms	2 NS 1 A 1 MX	🔒 Secure