sdunet.dk DNS records

🖥️ Nameservers3 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 IDDQD-AS
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 IDDQD-AS
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.233.201.66	3600s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sdunet-dk.x-v1.mx.microsoft	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::f 52.101.68.29 52.101.68.36 52.101.73.22 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 236ms

TXT Record
ac8aeb5a452849fd86740c636aea8299
HARICA-AipRIsWU4NvumDklE0e
jamf-site-verification=FE5EoJS6vzHQfrNsT6a-Cg
MS=ms90940747
v=spf1 include:_spf.sdu.dk -all

✉️ SPF

Policy	Record (sdunet.dk)
-all (hard fail)	v=spf1 include:_spf.sdu.dk -all

📨 DMARC

Policy	Record (_dmarc.sdunet.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk

📬 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 67ms

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

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2011056271
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@it-service.sdu.dk
Refresh	3600s
Retry	360s
Expire	3600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

22ms

A

31ms

MX

34ms

AAAA

25ms

TXT

236ms

CAA

35ms

HTTPS

16034ms

TLSA

67ms

SOA

0ms

MTA-STS

64ms

DNSSEC

99ms

SRV

200ms

Total

16575ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 00:15:47	16575ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 15:42:18	4606ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:38:55	4742ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 08:14:19	3670ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 07:45:51	20167ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 03:58:21	10523ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 02:52:14	12321ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 08:03:09	5216ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 01:06:36	7403ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 23:11:11	6734ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 07:14:48	6119ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 16:08:05	5127ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 02:45:20	9015ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 11:53:36	16964ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 10:43:30	24946ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 06:36:02	17180ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 14:21:03	25282ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 12:32:32	16962ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 02:28:45	16816ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 20:09:54	17000ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 22:13:26	2183ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 04:58:23	8887ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:35:15	12434ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 19:53:27	4539ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:06:50	7433ms	3 NS 1 A 1 MX	🔒 Secure	View