tuba.dk DNS records

🖥️ Nameservers2 records 34ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	tuba-dk.e-v1.mx.microsoft	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca09::3 2a01:111:f403:ca48::10 52.101.68.21 52.101.73.11 52.101.73.145 52.101.73.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.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 53ms

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

📝 TXT Records4 records 152ms

TXT Record
google-site-verification=L6XZAX0WKT-13yPVv28wtUytP1Nb-xi_JfK4lIKc55c
google-site-verification=RalyDeTM7oP0KIFOIZnLhONujA4VdLy_vNENEFZ06yI
MS=ms95814845
v=spf1 include:spf.protection.outlook.com include:spf.solutio.dk include:servers.mcsv.net include:spf.comendosystems.com include:dedicated.mysmtp.com ip4:212.237.249.36 ~all

✉️ SPF

Policy	Record (tuba.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.solutio.dk include:servers.mcsv.net include:spf.comendosystems.com include:dedicated.mysmtp.com ip4:212.237.249.36 ~all

📨 DMARC

Policy	Record (_dmarc.tuba.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 / DANE4 records 1590ms

Service / Owner	Type	Cert association
SMTP _25._tcp.tuba-dk.e-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.tuba-dk.e-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.tuba-dk.e-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.tuba-dk.e-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC66ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

34ms

A

29ms

MX

30ms

AAAA

36ms

TXT

152ms

CAA

33ms

HTTPS

27ms

TLSA

1590ms

SOA

0ms

MTA-STS

47ms

DNSSEC

66ms

SRV

53ms

Total

2133ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-05 16:05:25	2133ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 09:28:35	6472ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:36:15	3786ms	2 NS 1 A 1 MX	🔒 Secure	View