kjerulff.dk
Last scanned: 2026-07-02 09:52:23  ·  4406ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   170ms
NameserverIP addressesPTRASN / ISP
ns1.hostbase.dk 185.103.123.13 — AS204171 TD-K A/S
ns2.hostbase.dk 185.103.123.14 — AS204171 TD-K A/S
ns3.hostbase.dk 185.150.199.99 — AS202914 Adeo Datacenter ApS
🌍 A Records1 records   180ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.41.135 3600s linux24.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records1 records   189ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s kjerulff-dk.mail.protection.outlook.com 2a01:111:f403:ca04::2
2a01:111:f403:ca04::f
2a01:111:f403:ca09::7
2a01:111:f403:ca09::c
52.101.68.21
52.101.68.36
52.101.73.11
52.101.73.6		 mail-du2pr03cu00102.inbound.protection.outlook.com
mail-db7pr03cu00507.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-db5pr02cu00104.inbound.protection.outlook.com
mail-am1pr04cu00103.inbound.protection.outlook.com
mail-am6pr04cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   236ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 email.asp1.keyloop.io
📝 TXT Records2 records   373ms
TXT Record
v=msv1 t=DB06FD85-AC16-4255-A793-FF6FA1CEDCD9
v=spf1 include:_spf.keyloop.io include:spf.curanet.dk include:mailgun.org -all
✉️ SPF
PolicyRecord (kjerulff.dk)
-all (hard fail) v=spf1 include:_spf.keyloop.io include:spf.curanet.dk include:mailgun.org -all
📨 DMARC
PolicyRecord (_dmarc.kjerulff.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC307ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA224ms
FieldValue
Serial40
Primary NS (MNAME)dns01.hostbase.local
Responsible (RNAME)hostmaster@hostbase.local
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
170ms
A
180ms
MX
189ms
AAAA
215ms
TXT
373ms
CAA
201ms
HTTPS
180ms
TLSA
1055ms
SOA
224ms
MTA-STS
220ms
DNSSEC
307ms
SRV
236ms
Total
4406ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 09:52:23 4406ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 14:01:44 4582ms 3 NS 1 A 1 MX 🔓 Insecure View
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