jacobdev.dk
📜 Historical scan 2026-06-25 10:13:28  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
🌍 A Records2 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.70.200 600s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.138.240 600s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records2 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s 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
mx01.mail.icloud.com
mx02.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 600s 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
mx01.mail.icloud.com
mx02.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.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.70.200
🔶 Autoconfig188.114.97.1
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.70.200,172.67.138.240 ech=AEX+DQBBrQAgACDfKA9Er9zsycphwr8CPeCFgeOw+dJUA372SNUUI7jcdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8af0,2606:4700:3031::6815:46c8
📝 TXT Records3 records   221ms
TXT Record
apple-domain=rkS0PZ8fgxh0E6tB
google-site-verification=9FhsAGN9dl3RanxXXjgMrW8C9BdbJORrkqqYkBwxM1k
v=spf1 include:icloud.com ~all
✉️ SPF
PolicyRecord (jacobdev.dk)
~all (soft fail) v=spf1 include:icloud.com ~all
📨 DMARC
PolicyRecord (_dmarc.jacobdev.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:d14a00e6eaef4a0482ddc2474cc57732@dmarc-reports.cloudflare.net
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records10 records   72ms
FlagsTagValue
0 issue comodoca.com
0 issue digicert.com; cansignhttpexchanges=yes
0 issue letsencrypt.org
0 issue pki.goog; cansignhttpexchanges=yes
0 issue ssl.com
0 issuewild comodoca.com
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issuewild letsencrypt.org
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild ssl.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC72ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA33ms
FieldValue
Serial2407454785
Primary NS (MNAME)bjorn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
35ms
A
44ms
MX
54ms
AAAA
54ms
TXT
221ms
CAA
72ms
HTTPS
35ms
TLSA
282ms
SOA
33ms
MTA-STS
38ms
DNSSEC
72ms
SRV
139ms
Total
1432ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 08:59:38 3089ms 2 NS 2 A 2 MX 🔒 Secure View
2026-08-18 23:15:42 9974ms 2 NS 2 A 2 MX 🔒 Secure View
2026-08-17 17:19:27 1615ms 2 NS 2 A 2 MX 🔒 Secure View
2026-07-25 03:25:58 2858ms 2 NS 2 A 2 MX 🔒 Secure View
2026-07-20 12:22:51 3377ms 2 NS 2 A 2 MX 🔒 Secure View
2026-07-16 18:59:45 1389ms 2 NS 2 A 2 MX 🔒 Secure View
2026-07-04 22:14:47 3913ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-30 18:49:32 902ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-25 10:13:28 1432ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-21 12:26:03 3709ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-20 16:30:28 2797ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-17 15:30:20 1569ms 2 NS 2 A 2 MX 🔒 Secure View
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