buussys.dk DNS records

🖥️ Nameservers4 records 102ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com ns1-05.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records

🌍

No A records found

📧 MX Records1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	buussys-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.27 52.101.73.16 52.101.73.19	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.99.150.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 219ms

TXT Record
v=spf1 a:mail.dativa.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (buussys.dk)
-all (hard fail)	v=spf1 a:mail.dativa.dk include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.buussys.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:bnooh1ve@ag.eu.dmarcadvisor.com;

📬 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)

🔐 DNSSEC124ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA40ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

102ms

A

102ms

MX

100ms

AAAA

47ms

TXT

219ms

CAA

47ms

HTTPS

66ms

TLSA

133ms

SOA

40ms

MTA-STS

80ms

DNSSEC

124ms

SRV

182ms

Total

17123ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-17 18:36:54	17123ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-02 02:54:30	1839ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-07-02 00:33:03	1073ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 17:55:56	666ms	4 NS 0 A 1 MX	🔓 Insecure	View