csitech.com.br

Valid Email Server
Domain Lookup › csitech.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csitech.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 03:21:31 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 189.45.243.148

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.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::1a ↩ dj-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA e.sec.dns.br hostmaster.registro.br 2026074000 345600 900 604800 900
Primary NS (mname)
e.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026074000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

e.sec.dns.br
f.sec.dns.br

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 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

6 records
  • google-site-verification=G9ETEsg4r7-Uh049wFjsotsfQRLFaGZt8Dx7wdYq_30
  • apple-domain-verification=eVqwja7jqDGG7oAAOQQ5NskdtA5zQ8mMRV8bHqlF1zU
  • google-site-verification=BvlduRq-VJ0qbkk-g9Dv5yuAzpxTsJGttZJsfQb7bng";"google-site-verification=Fsp5L7O7cPfTwKWK6yPhhnJ6r__N2F_xP6X4CAtfN_o";"google-site-verification=G9ETEsg4r7-Uh049wFjsotsfQRLFaGZt8Dx7wdYq_30"; v=spf1 include:_spf.google.com ~all
  • DMARCv=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; fazp=r;pto=bimi
  • google-site-verification=BvlduRq-VJ0qbkk-g9Dv5yuAzpxTsJGttZJsfQb7bng
  • google-site-verification=Fsp5L707cPfTwKWK6yPhhnJ6r__N2F_xP6X4CAtfN_o
Full email verification for csitech.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits