dtu.dk DNS records

🖥️ Nameservers4 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.dtu.dk	130.225.89.120	dns1.dtu.dk	AS1835 IDDQD-AS
dns2.dtu.dk	130.225.89.121	dns2.dtu.dk	AS1835 IDDQD-AS
dns3.dtu.dk	130.225.231.123	dns3.dtu.dk	AS1835 IDDQD-AS
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 IDDQD-AS AS1835 IDDQD-AS

🌍 A Records1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.236.166.178	600s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dtu-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca09::6 52.101.103.140 52.101.73.155 52.101.73.2 52.101.73.4	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 95ms

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

📝 TXT Records15 records 146ms

TXT Record
_0t7gtinct4a5l4wgimsiirfb4r8fnux
0IABjjU09Gj6EJKvFxwwNlNZK3B0J89et3gh/qOG0aMenIHaqYipoaXoYk/jnM1kwRRxk9YnT8LCZIW74nGV9A==
0SCk45pzO9J0Ox6MI8mbslpSbv3MxJKFwu0hHvlre8IhJ6GnWX1qSRj86QPbDvu4Cuu9njzporryvKoNim/VSQ==
adobe-idp-site-verification=a30cc34b93b38cb8d91265eeac499919ede8fb873ba5b040ea796a5510a34c4c
airtable-verification=5a0c5f55f684ae7fc38c13ddd173f974
apple-domain-verification=tsBU81BHloQSgFUI
facebook-domain-verification=1mfoe26jx4bn398v31k3b4s29uumxf
google-site-verification=_eUbQjq92YekXok6LWiZqWrnN5CEwRT8U3URLJu6eho
google-site-verification=ahlAcD_NZWyFCfDM9uALP8j76QccT0my3Gv123db8Xg
google-site-verification=EvCzsCMkgSGV4vhVsWZEEQgbNTPef-aiT5ZdVsIfHW4
HARICA-JmaZkRgnBy6L6MXYHV3
have-i-been-pwned-verification=dweb_s2tfliyiesdp3xngokkr5n6d
MS=ms14099746
Qxnt1YYFCGBGlXiPwMzYYYhIcjrKAAA4m74gyiIdyIzkO+P2xfgnu7CBwuUJlBJmA8CFlIJd0dn0B6YntPRgCg==
v=spf1 include:spf.dtu.dk ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 ip4:89.221.166.0/24 ip4:95.128.24.167 -all

✉️ SPF

Policy	Record (dtu.dk)
-all (hard fail)	v=spf1 include:spf.dtu.dk ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 ip4:89.221.166.0/24 ip4:95.128.24.167 -all

📨 DMARC

Policy	Record (_dmarc.dtu.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:ait-dmarcaggregate@dtu.dk; ruf=mailto:ait-dmarcreport@dtu.dk; pct=100; fo=1

📬 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)

🔐 DNSSEC102ms

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	2022100901
Primary NS (MNAME)	ait-pibauth.win.dtu.dk
Responsible (RNAME)	dnsadmin@dtu.dk
Refresh	10800s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

26ms

MX

25ms

AAAA

30ms

TXT

146ms

CAA

33ms

HTTPS

22ms

TLSA

602ms

SOA

0ms

MTA-STS

45ms

DNSSEC

102ms

SRV

95ms

Total

1461ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:25:32	1461ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 10:27:49	3269ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 23:32:45	1571ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 16:29:36	2218ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 08:40:17	2337ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 08:39:43	2016ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 12:57:15	1721ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 19:59:36	3677ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 12:23:53	1186ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 06:58:28	1106ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 09:00:43	5831ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 04:55:07	617ms	4 NS 1 A 1 MX	🔓 Insecure	View