tsb-data.dk DNS records

🖥️ Nameservers2 records 274ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10	ns01.one.com	AS197495 One.com A/S
ns02.one.com	—	—	—

🌍 A Records1 records 250ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.245	3600s	webcluster2.wordpresspod1-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 239ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tsbdata-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.18 52.101.68.32 52.101.73.24 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00300.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	77.111.240.245

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 349ms

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

📝 TXT Records3 records 869ms

TXT Record
google-site-verification=l-Hp3vKYyR1RSLoxXeRIcLhbx8LvwBapFtDZIkBzHIc
google-site-verification=rVu0I0PXdGEXOIDCqDGEHbJRbuYjbpOeSyaGWAtA1dE
v=spf1 a ip4:87.104.25.138 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (tsb-data.dk)
-all (hard fail)	v=spf1 a ip4:87.104.25.138 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.tsb-data.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=none; rua=mailto:hw454zym9l@rua.powerdmarc.com; ruf=mailto:hw454zym9l@ruf.powerdmarc.com; fo=1; t=n;

📬 MTA-STS622ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20240323192303946265
max_age	86400s
Policy MX	tsbdata-dk0i.mail.protection.outlook.com

📈 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)

🔐 DNSSEC340ms

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

🏷️ SOA208ms

Field	Value
Serial	2026061302
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

274ms

A

250ms

MX

239ms

AAAA

251ms

TXT

869ms

CAA

245ms

HTTPS

229ms

TLSA

198ms

SOA

208ms

MTA-STS

622ms

DNSSEC

340ms

SRV

349ms

Total

1961ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 08:40:11	1993ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 01:55:52	3809ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 00:05:10	5680ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 17:07:22	1961ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 12:33:46	7014ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 07:51:46	3495ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:41:31	943ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 11:32:32	1311ms	2 NS 1 A 1 MX	🔒 Secure	View