Domain Overview
DNS: ✓ 10d ago
Checker: ✓ 10d ago
thompsonheatingltd.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-31 10:34:05 UTC · ↺ Refresh
MX Hostnames
- mx2.zoho.com
- mx3.zoho.com
- mx.zoho.com
MX Priorities
- mx3.zoho.com: 50
- mx.zoho.com: 10
- mx2.zoho.com: 20
A / AAAA Records
- 172.67.215.194 (no PTR)
- 104.21.59.59 (no PTR)
- 2606:4700:3034::6815:3b3b (no PTR)
- 2606:4700:3030::ac43:d7c2 (no PTR)
Mail Server IPs
- 136.143.191.44 ↩ mx3.zoho.com
- 204.141.33.44 ↩ mx2.zoho.com
SOA Record
Raw SOA
holly.ns.cloudflare.com dns.cloudflare.com 2401536867 10000 2400 604800 1800
Primary NS (mname)
holly.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401536867
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
holly.ns.cloudflare.com
mack.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zoho.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
zoho._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: zoho
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- haiSge8+2Rfiu47v3kJ7scwXJqSBDpw+qWXxetGzkI0=
- SPFv=spf1 include:zoho.com ~all
- zoho-verification=zb96128274.zmverify.zoho.com
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