Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
airtech24.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:30:32 UTC · ↺ Refresh
MX Hostnames
- mx.zoho.com
- mx3.zoho.com
- mx2.zoho.com
MX Priorities
- mx.zoho.com: 10
- mx2.zoho.com: 20
- mx3.zoho.com: 50
A / AAAA Records
- 104.21.12.76 (no PTR)
- 172.67.131.243 (no PTR)
- 2606:4700:3030::ac43:83f3 (no PTR)
- 2606:4700:3031::6815:c4c (no PTR)
Mail Server IPs
- 136.143.191.44 ↩ mx2.zohomail.com
- 136.143.183.44 ↩ mx.zohomail.com
SOA Record
Raw SOA
clark.ns.cloudflare.com dns.cloudflare.com 2398813853 10000 2400 604800 1800
Primary NS (mname)
clark.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398813853
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
heather.ns.cloudflare.com
clark.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:35.232.175.251 +include:_spf.mailspamprotection.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 +a +mx +ip4:35.232.175.251 +include:_spf.mailspamprotection.com ~all
- SPFv=spf1 include:zoho.com ~all
- zoho-verification=zb15723826.zmverify.zoho.com
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