bu-t.dk DNS records

🖥️ Nameservers3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.azehosting.net	2a01:4f8:c17:6a6e::2 88.99.39.181	ns3.azehosting.net ns3.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.67.40	3600s	cp01.azehosting.net	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	but-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::a 2a01:111:f403:ca09:: 52.101.68.12 52.101.68.16 52.101.68.25 52.101.68.3	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.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

🔷 AAAA Records (IPv6)1 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b02:6d4::2	3600s	cp01.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 340ms

TXT Record
v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (bu-t.dk)
-all (hard fail)	v=spf1 ip4:157.90.67.40 include:spf.azehosting.net ip4:49.12.83.57 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.bu-t.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.bu-t.dk	3Z3yo8X7_o0l6aQeygQZssKCkG-ujiw4QAYbC_nZ_VY

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC110ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA89ms

Field	Value
Serial	2026062300
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

87ms

MX

74ms

AAAA

65ms

TXT

340ms

CAA

108ms

HTTPS

46ms

TLSA

128ms

SOA

89ms

MTA-STS

73ms

DNSSEC

110ms

SRV

111ms

Total

1008ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:34:24	1532ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 22:31:47	1446ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 05:36:09	1008ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 08:02:19	1122ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 07:27:50	1359ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 19:09:13	1460ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:48:17	2044ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:35:37	3405ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:30:36	1458ms	3 NS 1 A 1 MX	🔓 Insecure	View