sosuc.dk DNS records

🖥️ Nameservers2 records 42ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.187.46.239	3600s	239.46.187.35.bc.googleusercontent.com	AS396982	Google LLC	35.184.0.0/13	🇧🇪 Belgium	Brussels

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	sosuc-dk.a-v1.mx.microsoft	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.32 52.101.73.11 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 74ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sip.sosuc.dk

📝 TXT Records2 records 164ms

TXT Record
MS=ms39103696
v=spf1 ip4:185.19.132.0/22 ip4:93.180.81.59 ip4:188.40.112.16 ip4:195.231.242.5 ip4:195.231.242.6 ip4:195.231.242.7 ip4:195.231.242.8 ip4:195.231.242.15 ip4:195.215.240.129/25 a:mx.antispam.i2.dk ip4:195.231.239.247 ip4:195.231.242.115 ip4:195.231.242.131 ip4:195.231.241.19 include:spf.protection.outlook.com include:_spf.centiumsecurity.dk include:spf.esis.dk -all

✉️ SPF

Policy	Record (sosuc.dk)
-all (hard fail)	v=spf1 ip4:185.19.132.0/22 ip4:93.180.81.59 ip4:188.40.112.16 ip4:195.231.242.5 ip4:195.231.242.6 ip4:195.231.242.7 ip4:195.231.242.8 ip4:195.231.242.15 ip4:195.215.240.129/25 a:mx.antispam.i2.dk ip4:195.231.239.247 ip4:195.231.242.115 ip4:195.231.242.131 ip4:195.231.241.19 include:spf.protection.outlook.com include:_spf.centiumsecurity.dk include:spf.esis.dk -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE10 records 134ms

Service / Owner	Type	Cert association
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.sosuc-dk.a-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

42ms

A

54ms

MX

46ms

AAAA

55ms

TXT

164ms

CAA

57ms

HTTPS

40ms

TLSA

134ms

SOA

0ms

MTA-STS

69ms

DNSSEC

93ms

SRV

74ms

Total

1137ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 03:14:06	1137ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:46:36	1061ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 18:20:50	1148ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 22:35:48	826ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 03:23:31	1158ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 20:43:11	1143ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:26:27	790ms	2 NS 1 A 1 MX	🔒 Secure	View