dpu.dk DNS records

🖥️ Nameservers2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	dpu-dk.k-v1.mx.microsoft	2a01:111:f403:ca04::d 2a01:111:f403:ca09::24 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.103.137 52.101.185.21 52.101.68.18 52.101.68.3	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db4pr02cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 115ms

TXT Record
2VxYTcHe5S3/IrtPOr/9Nn5Zq4SdFHt9POroWqeAeRV2izfXJTxBQntz1uMYKVlVlkvRSduaEpKyU8/t8cBBrA==
obiAaPWvI3jna8BKWsxmhFzPK4MxiNr1YN+MtnZgXJpMuWxZLWA0QsvnReQbx/jnaF5hZed6v0G8qodpJAXhhA==
ras gk.dpu.dk
v=msv1 t=ACEC4DAA-8F71-4B7A-BF61-05179ED7BA3D
v=spf1 ip4:130.226.200.0/24 ip4:130.225.24.68 include:spf.au.dk -all

✉️ SPF

Policy	Record (dpu.dk)
-all (hard fail)	v=spf1 ip4:130.226.200.0/24 ip4:130.225.24.68 include:spf.au.dk -all

📨 DMARC

Policy	Record (_dmarc.dpu.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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 339ms

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

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	21844
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

30ms

MX

30ms

AAAA

40ms

TXT

115ms

CAA

41ms

HTTPS

43ms

TLSA

339ms

SOA

0ms

MTA-STS

48ms

DNSSEC

107ms

SRV

58ms

Total

853ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 01:43:02	853ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 22:33:04	687ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 11:43:40	2504ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 15:25:02	880ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 13:05:10	628ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 12:28:41	721ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 11:28:03	684ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 11:23:36	1795ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 23:04:41	17438ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 23:02:23	7454ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 23:00:50	9307ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 20:21:09	7562ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 20:18:20	6708ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 18:37:00	4330ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 23:31:11	1299ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 21:59:41	2689ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 03:43:07	3485ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 02:52:19	2163ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 07:50:03	2071ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 02:44:11	1028ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 17:04:59	1044ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 08:39:17	1994ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 08:12:34	1196ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 07:34:54	9928ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 07:20:47	1448ms	2 NS 1 A 1 MX	🔒 Secure	View