Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
precifica.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 02:48:01 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
A / AAAA Records
- 150.230.73.242 (no PTR)
Mail Server IPs
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns-1640.awsdns-13.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1640.awsdns-13.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-481.awsdns-60.com
ns-679.awsdns-20.net
ns-1383.awsdns-44.org
ns-1640.awsdns-13.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.google.com ip4:54.165.173.230 ip4:167.234.234.4 include:spf-inc.precifica.com.br include:servers.mcsv.net ip4:148.105.0.0/16 include:spf.mandrillapp.com include:mail.zendesk.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:_spf.google.com ip4:54.165.173.230 ip4:167.234.234.4 include:spf-inc.precifica.com.br include:servers.mcsv.net ip4:148.105.0.0/16 include:spf.mandrillapp.com include:mail.zendesk.com ~all
Full email verification for precifica.com.br
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