Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heiserco.com
Yes
✓ Yes
iCloud
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:31:30 UTC · ↺ Refresh
MX Hostnames
- mx01.mail.icloud.com
- mx02.mail.icloud.com
MX Priorities
- mx01.mail.icloud.com: 10
- mx02.mail.icloud.com: 10
A / AAAA Records
- 104.18.220.38 (no PTR)
Mail Server IPs
- 17.57.154.33 ↩ mx02.mail.icloud.com
- 17.57.155.25 ↩ mx01.mail.icloud.com
- 17.57.156.30 ↩ mx01.mail.icloud.com
- 17.42.251.62 ↩ mx01.mail.icloud.com
- 17.56.9.31 ↩ mx02.mail.icloud.com
- 17.57.152.5 ↩ smtp1.ic4-privaterelay.appleid.com
SOA Record
Raw SOA
marek.ns.cloudflare.com dns.cloudflare.com 2399199480 10000 2400 604800 1800
Primary NS (mname)
marek.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399199480
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
marek.ns.cloudflare.com
samara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:icloud.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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=qKu1oG8VO8rA8cvs
- SPFv=spf1 include:icloud.com ~all
Full email verification for heiserco.com
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