dmu.dk DNS records

🖥️ Nameservers2 records 39ms

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 Records

🌍

No A records found

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	dmu-dk.c-v1.mx.microsoft	2a01:111:f403:ca04::b 2a01:111:f403:ca09::24 2a01:111:f403:ca09::26 2a01:111:f403:ca48::8 52.101.68.10 52.101.73.11 52.101.73.123 52.101.73.8	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am0pr04cu00500.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	185.45.20.49

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 84ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 145ms

TXT Record
6xuFdvfMla1nEJgd6dNXLFRgYAPrPxRpENQtVsXZDRgWzVVauZzOFQrjD2VcxQ1C2w3+laCDGLwKI5wk3idmBQ==
DPVE3UWuS2jZxM82S8PPhLDSZ9t6aDBWN8xCrCOWCs07WQ/8fENzeXRqkblaMYq+6u+l6PBAyF9BrZnARtt11A==
l+fkksUnUO44BcyXZ5HhdX38lkNr5OLNV46rOIhY0sGgJxP+JYX9w9RD4wW+rfq+O9NBiAZjJRiCRlE7nCroKg==
v=msv1 t=ACEC4DAA-8F71-4B7A-BF61-05179ED7BA3D
v=spf1 include:spf.au.dk -all

✉️ SPF

Policy	Record (dmu.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC

Policy	Record (_dmarc.dmu.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 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dmu-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.dmu-dk.c-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.dmu-dk.c-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.dmu-dk.c-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	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2014037074
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

39ms

A

42ms

MX

44ms

AAAA

55ms

TXT

145ms

CAA

41ms

HTTPS

48ms

TLSA

62ms

SOA

0ms

MTA-STS

66ms

DNSSEC

107ms

SRV

84ms

Total

613ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:44:14	613ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-09-01 12:39:22	1147ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-31 07:13:31	2087ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-30 04:26:16	556ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 10:35:46	943ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 09:39:15	580ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-27 09:32:36	1259ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 13:10:57	667ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-24 14:15:33	1259ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-23 09:49:08	16997ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-22 08:57:49	1310ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-21 08:34:31	2134ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-20 07:13:29	6162ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-19 05:31:02	9701ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-17 08:43:50	1264ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-15 04:45:23	3148ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-13 01:56:23	5330ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-10 15:15:44	8898ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-09 12:54:37	17187ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-08 06:45:33	1231ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-06 18:02:34	2347ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-02 19:56:06	1179ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-28 17:12:05	1344ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-27 14:41:11	1208ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-26 13:58:35	8849ms	2 NS 0 A 1 MX	🔒 Secure	View