sdux.dk DNS records

🖥️ Nameservers3 records 92ms

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 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.23	3600s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sdux-dk.i-v1.mx.microsoft	2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 2a01:111:f403:ca38::8 52.101.68.10 52.101.73.11 52.101.73.16 52.101.73.2	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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 Records2 records 556ms

TXT Record
MS=ms96558611
v=spf1 include:_spf.sdu.dk -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sdux.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk; ri=3600

📬 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 147ms

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

🔐 DNSSEC258ms

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

🏷️ SOA0ms

Field	Value
Serial	12177
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@sdu.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

92ms

A

108ms

MX

97ms

AAAA

110ms

TXT

556ms

CAA

113ms

HTTPS

16059ms

TLSA

147ms

SOA

0ms

MTA-STS

172ms

DNSSEC

258ms

SRV

292ms

Total

17499ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 17:05:58	17499ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:36:30	4803ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 07:50:00	19464ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 18:19:03	14263ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 13:22:17	20141ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 10:01:28	8612ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 08:34:17	6851ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 19:19:35	9142ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 06:29:37	17156ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 01:19:34	4955ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 00:56:20	5079ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 20:58:29	3937ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 14:06:05	3945ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 14:32:43	9076ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 23:45:43	3840ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 11:39:58	12305ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:17:57	4512ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 22:17:50	4678ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:51:08	4506ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:42:24	4588ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:29:40	7337ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:15:23	1118ms	3 NS 1 A 1 MX	🔒 Secure	View