mathematics.dk DNS records

🖥️ Nameservers2 records 44ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	300s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mathematics-dk.q-v1.mx.microsoft	2a01:111:f403:ca04::b 2a01:111:f403:ca09::28 2a01:111:f403:ca09::6 2a01:111:f403:ca38::8 52.101.68.32 52.101.68.36 52.101.73.12 52.101.73.123	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 242ms

TXT Record
En+cEOtwj/1phwdAJroR0+v6AUUZbIN7fbSvcPfyTJjEOABX704HwqibPBh+cI2A9MAX6GCRIWFxiPDSNZGvwg==
M7nhEX6bd50TE+iVouhLxUJSPJyuZ5v7xEu2tvwy4n/yolc1LDF1A7ZYueeEeaEidYUwSiPBE888KvOtIYfl9A==
MS=ms99837697
v=spf1 include:spf.au.dk -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.mathematics.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 75ms

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

🔐 DNSSEC79ms

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

🏷️ SOA0ms

Field	Value
Serial	595
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

44ms

A

41ms

MX

40ms

AAAA

53ms

TXT

242ms

CAA

46ms

HTTPS

47ms

TLSA

75ms

SOA

0ms

MTA-STS

80ms

DNSSEC

79ms

SRV

103ms

Total

695ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 04:03:39	695ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 08:02:53	7910ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 07:40:17	3590ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 20:20:36	1005ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 19:50:50	1105ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 02:30:02	1587ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 14:15:36	1979ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 02:25:14	2829ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 15:51:20	2674ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 06:53:23	3198ms	2 NS 1 A 1 MX	🔓 Insecure	View