trbygningsentreprise.dk DNS records

🖥️ Nameservers2 records 32ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.249.40.154	3600s	—	AS3292	TDC Holding A/S	195.249.0.0/16	🇩🇰 Denmark	Odense

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	trbygningsentreprise-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.209.153 52.101.68.18 52.101.73.155 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr02cu00203.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	77.111.240.146

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 140ms

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

✉️ SPF

Policy	Record (trbygningsentreprise.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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082705
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

32ms

A

35ms

MX

32ms

AAAA

37ms

TXT

140ms

CAA

29ms

HTTPS

40ms

TLSA

586ms

SOA

0ms

MTA-STS

45ms

DNSSEC

101ms

SRV

50ms

Total

1084ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:23:09	1084ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 11:17:14	988ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 13:28:00	1311ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 06:42:45	696ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 05:49:43	830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:12:21	2244ms	2 NS 1 A 1 MX	🔒 Secure	View