3xn.dk DNS records

🖥️ Nameservers2 records 60ms

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 Records1 records 87ms

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 Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	3xn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::8 2a01:111:f403:ca09::24 2a01:111:f403:ca48::a 52.101.209.153 52.101.73.126 52.101.73.19 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 123ms

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

📝 TXT Records2 records 217ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC155ms

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

🏷️ SOA0ms

Field	Value
Serial	2026041201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

87ms

MX

48ms

AAAA

71ms

TXT

217ms

CAA

59ms

HTTPS

59ms

TLSA

245ms

SOA

0ms

MTA-STS

84ms

DNSSEC

155ms

SRV

123ms

Total

1203ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:52:03	1203ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 05:34:09	5781ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 10:54:10	907ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:32:56	1095ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:35:41	1085ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-23 03:23:07	3265ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 20:48:53	1116ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:22:34	1233ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 21:02:39	9891ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:58:11	1802ms	2 NS 1 A 1 MX	🔒 Secure	View