jbcnet.dk
Last scanned: 2026-06-23 00:50:47  ·  3708ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   200ms
🌍 A Records
🌍
No A records found
📧 MX Records2 records   214ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx01.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx3.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx01.mail.icloud.com
ic4-privaterelay.appleid.com
smtp1.ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
10 3600s mx02.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx02.mail.icloud.com
mx01.mail.icloud.com
mx3.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
smtp1.ic4-privaterelay.appleid.com
ic4-privaterelay.appleid.com
mx01.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   713ms
TXT Record
apple-domain=xvF9GP7Gzh7nYqkP
v=spf1 include:icloud.com ~all
✉️ SPF
PolicyRecord (jbcnet.dk)
~all (soft fail) v=spf1 include:icloud.com ~all
📨 DMARC
PolicyRecord (_dmarc.jbcnet.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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)
🔐 DNSSEC655ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA340ms
FieldValue
Serial2025082701
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
200ms
A
216ms
MX
214ms
AAAA
209ms
TXT
713ms
CAA
214ms
HTTPS
314ms
TLSA
293ms
SOA
340ms
MTA-STS
224ms
DNSSEC
655ms
SRV
2120ms
Total
3708ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 00:50:47 3708ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-20 22:57:18 1190ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 15:04:32 791ms 2 NS 0 A 2 MX 🔒 Secure View
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