ssholding.dk DNS records

🖥️ Nameservers2 records 58ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.106	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ssholding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::9 52.101.103.137 52.101.68.5 52.101.73.11 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:8055:a41e:2f43:61bf	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 204ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ssholding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 / DANE

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

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
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

58ms

A

40ms

MX

67ms

AAAA

52ms

TXT

204ms

CAA

50ms

HTTPS

58ms

TLSA

356ms

SOA

0ms

MTA-STS

65ms

DNSSEC

90ms

SRV

81ms

Total

1005ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 20:21:09	1005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 12:09:50	6917ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 05:11:26	1287ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:26:16	2731ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:57:07	1765ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:48:13	942ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 00:43:13	1573ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:09:42	822ms	2 NS 1 A 1 MX	🔒 Secure	View