tbsupport.dk DNS records

🖥️ Nameservers2 records 233ms

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 283ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.158	3600s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 252ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tbsupport-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::8 2a01:111:f403:ca09::f 52.101.68.29 52.101.73.12 52.101.73.15 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.40
🔶 Autoconfig	46.30.215.158

🔷 AAAA Records (IPv6)1 records 253ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:f3:c2dd:4113:1537	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 Records3 records 500ms

TXT Record
google-site-verification=xf0jl2ureadCNDbGDeRRhIRenAxT1kXs9WHrx1leGLo
MS=ms73640488
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tbsupport.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc@tbsupport.dk;ruf=mailto:dmarc@tbsupport.dk;ri=86400;fo=1;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records1 records 261ms

Flags	Tag	Value
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC387ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026080601
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

233ms

A

283ms

MX

252ms

AAAA

253ms

TXT

500ms

CAA

261ms

HTTPS

238ms

TLSA

466ms

SOA

0ms

MTA-STS

333ms

DNSSEC

387ms

SRV

299ms

Total

4654ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 15:54:52	4654ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 17:33:35	1452ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 20:54:53	1741ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 16:17:32	1537ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 10:23:48	1629ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 05:19:02	1365ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-01 18:22:38	1188ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 12:53:27	947ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 05:47:47	1154ms	2 NS 1 A 1 MX	🔓 Insecure	View