jkr.dk
Last scanned: 2026-08-27 08:06:32  ·  9468ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
NameserverIP addressesPTRASN / ISP
ns1.mkrdns.dk 87.63.98.194 ns1.mkrdns.dk AS3292 TDC Holding A/S
ns2.swislock.dk 2001:6c8:119::2
87.63.98.178		 ns2.swislock.dk
ns2.swislock.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S
🌍 A Records
🌍
No A records found
📧 MX Records2 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s eu-esec-01.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
10 600s eu-esec-02.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 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
📝 TXT Records1 records   213ms
TXT Record
v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all
✉️ SPF
PolicyRecord (jkr.dk)
-all (hard fail) v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all
📨 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
🔗 TLSA / DANE2 records   49ms
Service / OwnerTypeCert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
🔐 DNSSEC9080ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2024032501
Primary NS (MNAME)ns1.mkrdns.dk
Responsible (RNAME)mkr@mkr.dk
Refresh86400s
Retry600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
58ms
MX
69ms
AAAA
59ms
TXT
213ms
CAA
64ms
HTTPS
48ms
TLSA
49ms
SOA
0ms
MTA-STS
70ms
DNSSEC
9080ms
SRV
80ms
Total
9468ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 08:06:32 9468ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-18 21:50:52 670ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-17 23:47:16 2666ms 2 NS 0 A 2 MX ⚠️ Bogus View
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