adgangskursus.dk DNS records

🖥️ Nameservers3 records 39ms

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 38ms

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 151ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.adgangskursus.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)

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2011043415
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 2026-08-23 20:39:43

Field	Value
Registrar	dns.services ApS
Registered	1999-06-11
Expires	2027-06-30 (299d)

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

38ms

MX

42ms

AAAA

37ms

TXT

151ms

CAA

40ms

HTTPS

16028ms

TLSA

31ms

SOA

0ms

MTA-STS

42ms

DNSSEC

105ms

SRV

44ms

Total

16319ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:51:38	16319ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 12:25:46	16758ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 21:14:46	3362ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 20:33:11	18719ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 18:18:22	4530ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 13:38:05	3523ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 10:33:36	5953ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 19:22:17	5541ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 12:04:00	6320ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-05 17:48:03	4762ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 22:23:03	2463ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 18:56:56	2391ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-21 15:12:27	2399ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-20 06:41:33	4459ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-17 16:45:36	4446ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 12:20:09	4530ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-09 05:52:30	2551ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-06 11:21:10	4783ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-01 20:47:27	4472ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-30 09:27:07	4428ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-28 15:01:41	4449ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-22 06:17:44	6708ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 22:44:14	693ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-06-16 12:42:35	2336ms	3 NS 1 A 0 MX	🔒 Secure	View