o-h.dk
Last scanned: 2026-08-26 17:20:43  ·  713ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.198.79.1 600s AS16509 Amazon.com, Inc. 216.198.79.0/24 🇺🇸 United States
📧 MX Records2 records   27ms
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
mx02.mail.icloud.com
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
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
mx01.mail.icloud.com
mx3.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
smtp1.ic4-privaterelay.appleid.com
ic4-privaterelay.appleid.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx02.mail.icloud.com
mx01.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   159ms
TXT Record
apple-domain=SYGWT5UaLiMyHOyy
v=spf1 include:icloud.com ~all
✉️ SPF
PolicyRecord (o-h.dk)
~all (soft fail) v=spf1 include:icloud.com ~all
📨 DMARC
PolicyRecord (_dmarc.o-h.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:you@yourdomain.com; fo=1; adkim=r; aspf=r;
📬 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)
🔐 DNSSEC105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413215042
Primary NS (MNAME)arvind.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
30ms
A
35ms
MX
27ms
AAAA
32ms
TXT
159ms
CAA
35ms
HTTPS
28ms
TLSA
46ms
SOA
0ms
MTA-STS
46ms
DNSSEC
105ms
SRV
56ms
Total
713ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:20:43 713ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-21 07:57:22 11556ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-10 04:43:50 1493ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-29 07:34:49 921ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 03:27:43 1901ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 10:08:09 5365ms 2 NS 1 A 2 MX 🔓 Insecure View
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