sexismedu.dk DNS records

🖥️ Nameservers3 records 111ms

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 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.155	600s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	28800s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 367ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sexismedu.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC361ms

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

🏷️ SOA0ms

Field	Value
Serial	12375
Primary NS (MNAME)	ibgm.mgt.sdu.dk
Responsible (RNAME)	dns@sdu.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 RegistrationWHOIS fetched 2026-08-22 09:59:32

Field	Value
Registrar	dns.services ApS
Registered	2020-11-26
Expires	2028-11-30 (819d)

📋 WHOIS

⏱️ Lookup Timing

NS

111ms

A

116ms

MX

130ms

AAAA

82ms

TXT

367ms

CAA

93ms

HTTPS

16069ms

TLSA

86ms

SOA

0ms

MTA-STS

152ms

DNSSEC

361ms

SRV

176ms

Total

16869ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:01:20	16869ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 08:11:58	16357ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 07:57:47	4426ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 03:41:30	4376ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 09:58:45	6622ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 09:13:32	4491ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 05:21:56	4889ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 02:50:12	6722ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 12:47:50	6317ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 12:22:11	19393ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 22:24:24	6964ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 09:18:55	4430ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 07:26:01	8506ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 05:53:57	4461ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 08:41:01	921ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 04:18:10	4529ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 06:10:34	4508ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:12:40	16548ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 18:29:18	4495ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 18:23:37	4373ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 00:19:29	4407ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:00:59	542ms	3 NS 1 A 0 MX	🔒 Secure	View