helpimprove.dk
📜 Historical scan 2026-07-23 18:20:22  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   72ms
🌍 A Records1 records   64ms
📧 MX Records1 records   65ms
🔷 AAAA Records (IPv6)1 records   69ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records2 records   720ms
ServicePriorityWeightPortTarget
_imap._tcp 5 0 143 imap.jkkn.net
_imaps._tcp 0 0 993 imap.jkkn.net
📝 TXT Records1 records   304ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (helpimprove.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.helpimprove.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-reports@jkkn.net; ruf=mailto:dmarc-abuse@jkkn.net; sp=reject
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records3 records   83ms
FlagsTagValue
0 iodef mailto:caa-abuse@jkkn.net
0 issue letsencrypt.org
0 issuewild ;
🔗 TLSA / DANE2 records   404ms
Service / OwnerTypeCert association
SMTP _25._tcp.smtp.jkkn.net DANE-EE · Full cert · SHA-256 8F452E203DE9E139B9C6D0EE5C96C8EF…
HTTPS _443._tcp.helpimprove.dk DANE-EE · Full cert · SHA-256 2ECF1D236EFEB15247695A22ECCEB83A…
🔐 DNSSEC201ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2024083625
Primary NS (MNAME)ns1.jkkn.dk
Responsible (RNAME)zonecontact@jkkn.dk
Refresh86400s
Retry7200s
Expire3628800s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
72ms
A
64ms
MX
65ms
AAAA
69ms
TXT
304ms
CAA
83ms
HTTPS
74ms
TLSA
404ms
SOA
0ms
MTA-STS
160ms
DNSSEC
201ms
SRV
720ms
Total
2587ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 15:44:08 2915ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 14:29:00 1572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 16:39:32 3892ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-24 23:05:36 1759ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 19:23:28 6444ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 19:22:41 4037ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 11:37:02 1359ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 12:27:33 2933ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 23:52:54 5091ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-07 14:14:39 11974ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-02 23:37:04 1077ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-31 18:30:26 9632ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 18:20:22 2587ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 22:05:25 2231ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 08:16:10 1323ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 01:54:26 3661ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 01:04:24 1304ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-05 20:47:49 2737ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 20:23:00 11312ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 11:49:01 1940ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 23:04:50 1140ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:13:19 927ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 19:51:04 1894ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 15:00:31 2376ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 18:15:27 2786ms 2 NS 1 A 1 MX 🔒 Secure View
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