Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rtfisher.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:46:30 UTC · ↺ Refresh
MX Hostnames
- east.smtp.exch031.serverdata.net
- west.smtp.exch031.serverdata.net
MX Priorities
- east.smtp.exch031.serverdata.net: 20
- west.smtp.exch031.serverdata.net: 10
A / AAAA Records
- 192.185.108.137 ↩ 192-185-108-137.unifiedlayer.com
Mail Server IPs
- 199.193.200.100 ↩ east.smtp.exch031.serverdata.net
- 199.193.204.100 ↩ west.smtp.exch031.serverdata.net
SOA Record
Raw SOA
ns1.gropperit.com gropperit.gmail.com 2026012901 86400 7200 3600000 86400
Primary NS (mname)
ns1.gropperit.com
Admin Email (rname)
gropperit@gmail.com
Serial
2026012901
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.gropperit.com
ns2.gropperit.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.185.81.144 include:_s00151911.autospf.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
✓ 1 found
default._domainkey
✓ Public key: 168 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
1 record- SPFv=spf1 ip4:192.185.81.144 include:_s00151911.autospf.email -all
Full email verification for rtfisher.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits