icsr2024.dk DNS records

🖥️ Nameservers3 records 26ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.156.155	28800s	—	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

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 Records2 records 170ms

TXT Record
google-site-verification=MDrtUeyTDbS9D0r6Fsk5k7MAL7JpcYjRJn8_c4aFSP0
v=spf1 include:_spf.sdu.dk -all

✉️ SPF

Policy	Record (icsr2024.dk)
-all (hard fail)	v=spf1 include:_spf.sdu.dk -all

📨 DMARC

Policy	Record (_dmarc.icsr2024.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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	529
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

26ms

A

36ms

MX

42ms

AAAA

27ms

TXT

170ms

CAA

30ms

HTTPS

16031ms

TLSA

51ms

SOA

0ms

MTA-STS

66ms

DNSSEC

96ms

SRV

58ms

Total

19047ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:46:56	19047ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 09:04:05	16784ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:33:18	4399ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 21:00:55	16381ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 15:54:56	4574ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 00:46:32	5198ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 19:37:07	4503ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 15:58:48	4465ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 22:20:48	6804ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 15:20:57	11685ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 14:57:22	2445ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 13:32:07	2417ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 13:18:53	2453ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 20:37:11	4437ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 10:20:02	4468ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 12:13:09	8801ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 10:49:25	4531ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 11:15:08	8761ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 01:09:28	2515ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 21:45:34	4365ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:17:29	4348ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 03:03:31	4463ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:03:51	2446ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 16:21:23	4507ms	3 NS 1 A 0 MX	🔒 Secure	View