Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
southfirst.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:00:36 UTC · ↺ Refresh
MX Hostnames
- smtp.safesysmail.com
- southfirst-com.safesysmail.com
MX Priorities
- southfirst-com.safesysmail.com: 10
- smtp.safesysmail.com: 20
A / AAAA Records
- 107.162.175.87 (no PTR)
Mail Server IPs
- 204.193.139.160 (no PTR)
- 68.171.164.181 ↩ smtp1.safesysmail.com
- 68.171.164.182 ↩ smtp2.safesysmail.com
- 204.193.139.155 ↩ smtp3.safesysmail.com
- 204.193.139.156 ↩ smtp4.safesysmail.com
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 121071312 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
121071312
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns76.worldnic.com
ns75.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:safesysmail.com ~all
📊 DNS lookups: 2/10
~ 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- SPFv=spf1 mx include:safesysmail.com ~all
- MS=ms91246139
Full email verification for southfirst.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits