kasperholst.dk
Last scanned: 2026-09-02 02:14:04  ·  737ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   63ms
NameserverIP addressesPTRASN / ISP
ns1.dotserv.com 178.20.218.61
2a01:7cc0:101:ffff::51		 ns1.dotserv.com
ns1.dotserv.com		 AS21060 Atea A/S
AS21060 Atea A/S
ns1.dotserv.net 178.20.217.29
2a01:7cc0:101:ffff::52		 ns1.dotserv.net
ns1.dotserv.net		 AS21060 Atea A/S
AS21060 Atea A/S
ns2.dotserv.com 193.180.214.21 ns2.dotserv.com AS44803 Webdock.io ApS
ns2.dotserv.net 162.19.249.51
2001:41d0:701:1100::c89e		 ns2.dotserv.net
ns2.dotserv.net		 AS16276 OVH SAS
AS16276 OVH SAS
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.97 14400s s0.enavn.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —
📧 MX Records1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s mail.kasperholst.dk 178.20.216.97
2a01:7cc0:101:ffff::1:12		 s0.enavn.dk
—		 AS21060 Atea A/S
AS21060 Atea A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover178.20.216.97
🔶 Autoconfig178.20.216.97
🔷 AAAA Records (IPv6)1 records   64ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:12 14400s — AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   92ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   234ms
TXT Record
v=spf1 +a +mx include:_spf.dotserv.com -all
✉️ SPF
PolicyRecord (kasperholst.dk)
-all (hard fail) v=spf1 +a +mx include:_spf.dotserv.com -all
📨 DMARC
PolicyRecord (_dmarc.kasperholst.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
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025052201
Primary NS (MNAME)ns1.dotserv.com
Responsible (RNAME)hostmaster@dotserv.com
Refresh1800s
Retry300s
Expire86400s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
63ms
A
60ms
MX
49ms
AAAA
64ms
TXT
234ms
CAA
61ms
HTTPS
49ms
TLSA
80ms
SOA
0ms
MTA-STS
85ms
DNSSEC
96ms
SRV
92ms
Total
737ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 02:14:04 737ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 13:02:37 4103ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 06:10:48 1180ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:53:28 646ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 14:26:00 1650ms 4 NS 1 A 1 MX 🔓 Insecure View
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