tucenter.dk DNS records

🖥️ Nameservers2 records 30ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	3600s	tucenter-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09::c 52.101.103.140 52.101.181.153 52.101.68.25 52.101.73.11	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.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
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 99ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sip.tucenter.dk

📝 TXT Records2 records 139ms

TXT Record
MS=CD805279D0C14053FACC9CA7EB714B9EFEFBB12B
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (tucenter.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)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

30ms

A

27ms

MX

32ms

AAAA

30ms

TXT

139ms

CAA

29ms

HTTPS

30ms

TLSA

251ms

SOA

0ms

MTA-STS

45ms

DNSSEC

98ms

SRV

99ms

Total

810ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 02:27:18	810ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 09:32:07	1282ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 08:27:33	1365ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 10:20:18	1423ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 13:53:18	1183ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 01:22:15	807ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 03:52:34	790ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 05:12:45	871ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 14:22:46	2597ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:01:29	1208ms	2 NS 1 A 1 MX	🔒 Secure	View