Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
synx3.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 18:44:32 UTC · ↺ Refresh
MX Hostnames
- mail.synx3.com
MX Priorities
- mail.synx3.com: 0
A / AAAA Records
- 104.251.122.17 ↩ s3.synx3.com
Mail Server IPs
- 104.251.122.17 ↩ s3.synx3.com
SOA Record
Raw SOA
supp278965.mercury.orderbox-dns.com israel.synx3.com 2024060603 7200 7200 172800 38400
Primary NS (mname)
supp278965.mercury.orderbox-dns.com
Admin Email (rname)
israel@synx3.com
Serial
2024060603
Refresh
7200s
Retry
7200s
Expire
172800s
Minimum TTL
38400s
Nameservers (NS)
supp278965.earth.orderbox-dns.com
supp278965.mercury.orderbox-dns.com
supp278965.venus.orderbox-dns.com
supp278965.mars.orderbox-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:104.251.122.17 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=Dbho11c7oXxBZS9RuH9GHCmEDhj4CIhrJLDwqP1ugo4
- SPFv=spf1 +mx +a +ip4:104.251.122.17 ~all
Full email verification for synx3.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits