Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jo-os.de
Yes
✓ Yes
iCloud
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 07:03:00 UTC · ↺ Refresh
MX Hostnames
- mx01.mail.icloud.com
- mx02.mail.icloud.com
MX Priorities
- mx02.mail.icloud.com: 10
- mx01.mail.icloud.com: 10
A / AAAA Records
- 31.47.253.136 ↩ web19.alfahosting-server.de
Mail Server IPs
- 17.57.155.25 ↩ mx01.mail.icloud.com
- 17.57.156.30 ↩ mx01.mail.icloud.com
- 17.42.251.62 ↩ mx02.mail.icloud.com
- 17.56.9.31 ↩ mx02.mail.icloud.com
- 17.57.152.5 ↩ mx02.mail.icloud.com
- 17.57.154.33 ↩ mx01.mail.icloud.com
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster\@alfahosting.de 2026030802 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026030802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info
SPF Record
✓ Soft Fail (~all)
v=spf1 include:icloud.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- apple-domain=jPs8RM6PtSTvQkKM
- SPFv=spf1 include:icloud.com ~all
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