Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibitelecom.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:30:03 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- mta.ibitelecom.com.br
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- mta.ibitelecom.com.br: 15
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 104.21.86.213
- 172.67.136.226
- 2606:4700:3035::6815:56d5
- 2606:4700:3032::ac43:88e2
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 177.185.36.50 ↩ 177-185-36-50.IBITELECOM.COM.BR
- 2804:858:bac1:d0c7:177:185:36:50 (no PTR)
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
SOA Record
Raw SOA
cris.ns.cloudflare.com dns.cloudflare.com 2397270526 10000 2400 604800 1800
Primary NS (mname)
cris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397270526
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cris.ns.cloudflare.com
walk.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:mxsspf.sendpulse.com include:_spf.rdstation.com.br include:sendgrid.net +a +mx +ip4:162.240.56.123 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
default._domainkey
mail._domainkey
dkim._domainkey
s1._domainkey
s2._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
6 records- facebook-domain-verification=lpjt6pwbp621vjj0ixqdm57f6yrs3i
- google-site-verification=MYt4CXt9H3gA-w9JyG4ZGN6ynkysnNiTYYpxTLtAk0k
- google-site-verification=dWB3ocR8Dt_KaqsYOFPLTIM36vouSQ9zTV6YTNwm9fY
- google-site-verification=vAqLEiQr4G9mulebBO8kZ3LiNE-rKXLQdPgJbP9Mu54
- google-site-verification=xhgWeq6pqrzLdqSdckPqx2WjTMny-5qqxKLuSqDasHQ
- SPFv=spf1 include:_spf.google.com include:mxsspf.sendpulse.com include:_spf.rdstation.com.br include:sendgrid.net +a +mx +ip4:162.240.56.123 -all
Full email verification for ibitelecom.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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