csu-holbaek.dk

📜 Historical scan 2026-09-02 13:52:59  ·  ← 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   45ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   2046ms
IPTTLPTRASNISP / OrgCIDRCountryCity
167.235.95.185 3598s 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   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:2220:1b48::2 3600s — 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
www94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domainDifferent 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)
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: 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#

75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026021203
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-01 23:31:01
FieldValue
RegistrarSimply.com A/S
Registered2007-06-29
Expires2027-06-30 (250d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
2046ms
MX
46ms
AAAA
46ms
TXT
140ms
CAA
29ms
HTTPS
55ms
TLSA
96ms
SOA
0ms
MTA-STS
53ms
DNSSEC
75ms
SRV
69ms
Total
2427ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 432ms 4 NS 1 A 0 MX 🔒 Secure
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