Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
teclacenter.com.br
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 14:09:48 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
- 172.67.74.81 (no PTR)
- 104.26.13.216 (no PTR)
- 104.26.12.216 (no PTR)
Mail Server IPs
- 136.143.183.44 ↩ mx3.zohomail.com
- 136.143.191.44 ↩ mx.zohomail.com
SOA Record
Raw SOA
george.ns.cloudflare.com dns.cloudflare.com 2399178020 10000 2400 604800 1800
Primary NS (mname)
george.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399178020
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
miki.ns.cloudflare.com
george.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:144.76.117.123 include:zohomail.com include:_spf.embluemail.com include:_spf.kinghost.net include:_spf.criaenvio.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 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
5 records- MS=A867887141F9EE10D4E6F35B8BBD4C81D2F7D197
- emktownership=t94t3CA91EV2M
- facebook-domain-verification=m27friwraln2ololyqy05mhjadcgyv
- google-site-verification=Rabdc0VQuHXbPxcrZQ14_uHdqiPnFjiGdMdAOdV3VPs
- SPFv=spf1 +a +mx +ip4:144.76.117.123 include:zohomail.com include:_spf.embluemail.com include:_spf.kinghost.net include:_spf.criaenvio.com -all
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