Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dthomas.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:30:29 UTC · ↺ Refresh
MX Hostnames
- mx2.zoho.com
- mx.zoho.com
- mx3.zoho.com
MX Priorities
- mx2.zoho.com: 20
- mx.zoho.com: 10
- mx3.zoho.com: 50
A / AAAA Records
- 34.160.81.203 ↩ 203.81.160.34.bc.googleusercontent.com
- 34.160.17.71 ↩ 71.17.160.34.bc.googleusercontent.com
- 35.244.153.44 ↩ 44.153.244.35.bc.googleusercontent.com
- 35.190.31.54 ↩ 54.31.190.35.bc.googleusercontent.com
Mail Server IPs
- 136.143.183.44 ↩ mx2.zohomail.com
- 136.143.191.44 ↩ mx2.zohomail.com
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 207 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
207
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:35.214.36.182 include:zoho.com include:sendgrid.net include:dthomas.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 +a +mx ip4:35.214.36.182 include:zoho.com include:sendgrid.net include:dthomas.com.spf.auto.dnssmarthost.net ~all
- google-site-verification=28t6m6K1CeqDhY7gu0HvrVDbntPc7zx2_C-Hl1z94aI
- google-site-verification=Sv74y12vy-JptsCUu3S9tuAgcoCeo2J55CnzSnWiOgs
- _qezhbk2w1audyz7qzsn0k5lug8p50ro
Full email verification for dthomas.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits