cooffice.net.br

Valid Email Server
Domain Lookup › cooffice.net.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cooffice.net.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 21:30:27 UTC · ↺ Refresh

MX Hostnames

  • ALT1.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM
  • ALT3.ASPMX.L.GOOGLE.COM
  • ALT4.L.GOOGLE.COM

MX Priorities

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

A / AAAA Records

  • 162.241.2.182 ↩ 162-241-2-182.unifiedlayer.com

Mail Server IPs

  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA ns940.hostgator.com.br root.br940.hostgator.com.br 2026031501 86400 7200 3600000 86400
Primary NS (mname)
ns940.hostgator.com.br
Admin Email (rname)
root@br940.hostgator.com.br
Serial
2026031501
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns941.hostgator.com.br
ns940.hostgator.com.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
default._domainkey
✓ Public key: 392 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

1 record
  • google-site-verification=ki73WR1no_vlE8t_T-p1jGJXFwVPlh1V3HTH43lwMQM
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