Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arbeitman-shein.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:01:34 UTC · ↺ Refresh
MX Hostnames
- mx4c28.concentric.com
- mx1c28.concentric.com
- mx2c28.concentric.com
- mx3c28.concentric.com
MX Priorities
- mx1c28.concentric.com: 10
- mx2c28.concentric.com: 100
- mx3c28.concentric.com: 110
- mx4c28.concentric.com: 120
A / AAAA Records
- 104.21.85.50 (no PTR)
- 172.67.202.119 (no PTR)
- 2606:4700:3031::6815:5532 (no PTR)
- 2606:4700:3031::ac43:ca77 (no PTR)
Mail Server IPs
- 66.226.70.78 ↩ mx1c28.carrierzone.com
- 66.226.70.79 ↩ mx2c28.carrierzone.com
- 66.226.70.72 ↩ mx3c28.carrierzone.com
- 66.226.70.73 ↩ mx4c28.carrierzone.com
SOA Record
Raw SOA
eric.ns.cloudflare.com dns.cloudflare.com 2398506440 10000 2400 604800 1800
Primary NS (mname)
eric.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398506440
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
eric.ns.cloudflare.com
pam.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spfc28.carrierzone.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
1 record- SPFv=spf1 include:spfc28.carrierzone.com ~all
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