syddansk-universitet.dk DNS records

🖥️ Nameservers3 records 104ms

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 35ms

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

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 182ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (syddansk-universitet.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.syddansk-universitet.dk)
p=reject	v=DMARC1; p=reject;

📬 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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2011042826
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@it-service.sdu.dk
Refresh	14400s
Retry	1440s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 RegistrationWHOIS fetched 2026-07-13 06:02:48

Field	Value
Registrar	dns.services ApS
Registered	1998-10-26
Expires	2026-12-31 (117d)

📋 WHOIS

⏱️ Lookup Timing

NS

104ms

A

35ms

MX

103ms

AAAA

101ms

TXT

182ms

CAA

29ms

HTTPS

16044ms

TLSA

49ms

SOA

0ms

MTA-STS

46ms

DNSSEC

101ms

SRV

101ms

Total

16364ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:03:46	16364ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 20:28:48	4420ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 00:52:07	16346ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 21:49:09	16338ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 09:25:06	8791ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 04:22:23	4567ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 03:42:03	4676ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 11:14:30	5319ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 08:38:29	4533ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 21:44:53	16566ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-02 10:20:46	7100ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 11:47:48	4494ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 02:10:25	16601ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 00:23:37	8571ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 11:17:03	24490ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-20 04:07:23	8669ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-17 23:52:55	8540ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 18:46:23	4524ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-13 06:00:27	8579ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-12 04:57:25	8578ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-08 21:03:02	16804ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-07 00:49:34	2433ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 13:30:19	6657ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-30 03:01:15	6716ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-27 16:54:09	4770ms	3 NS 1 A 0 MX	🔒 Secure	View