cdus.dk DNS records

🖥️ Nameservers4 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.stil.dk	195.231.240.53 2a10:cf80:1000:0:195:231:240:53	ns01.stil.dk ns01.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns02.stil.dk	195.231.128.53 2a10:cf80:2000:0:195:231:128:53	ns02.stil.dk ns02.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns03.stil.dk	195.231.236.53 2a10:cf80:1000:0:195:231:236:53	ns03.stil.dk ns03.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns04.stil.dk	195.231.129.53 2a10:cf80:2000:0:195:231:129:53	ns04.stil.dk ns04.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering

🌍 A Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.231.235.61	3600s	—	AS3240	Styrelsen for it og laering	195.231.224.0/19	🇩🇰 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 96ms

TXT Record
v=spf1 include:spf1.stil.dk ~all

✉️ SPF

Policy	Record (cdus.dk)
~all (soft fail)	v=spf1 include:spf1.stil.dk ~all

📨 DMARC

Policy	Record (_dmarc.cdus.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 30ms

Flags	Tag	Value
0	iodef	mailto:netdrift@stil.dk
0	issue	letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076
0	issuewild	letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns01.stil.dk
Responsible (RNAME)	netdrift@stil.dk
Refresh	900s
Retry	300s
Expire	3600000s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

32ms

MX

28ms

AAAA

30ms

TXT

96ms

CAA

30ms

HTTPS

27ms

TLSA

44ms

SOA

0ms

MTA-STS

36ms

DNSSEC

100ms

SRV

40ms

Total

403ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:53:48	403ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 09:35:46	4194ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 09:13:08	900ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 22:51:34	3682ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 02:38:24	828ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 03:28:34	7380ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 23:43:40	2668ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 09:03:01	697ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-10 23:07:28	3957ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 14:20:52	3357ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-26 19:02:24	598ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-21 06:59:31	856ms	4 NS 1 A 0 MX	🔒 Secure	View
2026-06-20 21:55:12	1181ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 19:55:12	468ms	4 NS 1 A 0 MX	🔒 Secure	View