csu-holbaek.dk

📜 Historical scan 2026-06-26 22:45:50  ·  ← 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   29ms
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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
167.235.95.185 3600s 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   27ms
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#

52ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

29ms
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
29ms
A
30ms
MX
44ms
AAAA
27ms
TXT
124ms
CAA
38ms
HTTPS
29ms
TLSA
155ms
SOA
29ms
MTA-STS
32ms
DNSSEC
52ms
SRV
29ms
Total
658ms

🕐 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 2427ms 4 NS 1 A 0 MX 🔒 Secure
2026-06-26 22:45:50 shown 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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