exammonitor.dk DNS records

🖥️ Nameservers3 records 34ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.25	300s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 24ms

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 Records3 records 166ms

TXT Record
9c9121a20f7d438dabe5fe642cd8b229
HARICA-rvgfsJJz929V596RTXS
v=spf1 -all

✉️ SPF

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

📨 DMARC

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

📬 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)

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2367
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

34ms

A

26ms

MX

24ms

AAAA

22ms

TXT

166ms

CAA

30ms

HTTPS

16039ms

TLSA

134ms

SOA

0ms

MTA-STS

33ms

DNSSEC

88ms

SRV

63ms

Total

16448ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 01:41:47	16448ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:15:00	4482ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 05:21:25	16666ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 22:08:58	8367ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 18:22:49	8866ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 15:47:53	5260ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 07:24:02	5034ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 03:10:08	5961ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 13:49:07	7710ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 10:13:30	4708ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 16:49:18	5072ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 08:15:55	4473ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 06:20:34	2380ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 06:13:34	4492ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 03:56:58	4505ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 01:44:52	16456ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 21:29:38	2367ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 14:15:14	7150ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 13:51:21	16575ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 07:31:37	6368ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:53:18	7144ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 16:26:07	4791ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 15:49:00	5095ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:50:26	4974ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 11:10:22	1147ms	0 NS 0 A 0 MX	❓ Unknown	View