csu-holbaek.dk

📜 Historical scan 2026-06-16 23:05:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csu-holbaek.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 29 June 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.95.185 is hosted by Hetzner Online GmbH (AS24940) in Germany. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.95.185	—	static.185.95.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2220:1b48::2	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 03:37:55

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Different networks csu-holbaek.dk: 167.235.95.185 2a01:4f8:2220:1b48::2 (AS24940) www.csu-holbaek.dk: 94.231.103.100 (AS48854) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026021203
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 23:31:01

Field	Value
Registrar	Simply.com A/S
Registered	2007-06-29
Expires	2027-06-30 (250d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

38ms

39ms

AAAA

45ms

TXT

142ms

CAA

42ms

HTTPS

37ms

TLSA

103ms

SOA

37ms

MTA-STS

35ms

DNSSEC

123ms

SRV

0ms

Total

432ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 23:07:26	433ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-30 22:58:42	5014ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-29 21:30:49	392ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-24 01:36:17	622ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-02 13:52:59	2427ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-26 22:45:50	658ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-24 06:31:28	2470ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-20 16:24:40	1122ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 23:05:25 shown	432ms	4 NS 1 A 0 MX	🔒 Secure