Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
conteudoedu.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:44:33 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt5.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 2
- alt4.aspmx.l.google.com: 3
- alt5.aspmx.l.google.com: 4
- aspmx.l.google.com: 0
- alt2.aspmx.l.google.com: 1
A / AAAA Records
- 104.21.90.229
- 172.67.162.53
- 2606:4700:3032::ac43:a235
- 2606:4700:3034::6815:5ae5
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 142.250.102.27 ↩ rb-in-f27.1e100.net
- 2a00:1450:4025:402::1a ↩ rb-in-f26.1e100.net
- 64.233.180.26 ↩ pe-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
edna.ns.cloudflare.com dns.cloudflare.com 2398751815 10000 2400 604800 1800
Primary NS (mname)
edna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398751815
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vin.ns.cloudflare.com
edna.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
✓ 3 found
google._domainkey
s1._domainkey
s2._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
3 records- google-site-verification=oZ9lBPFepHdwYFqhyATwcgIWGPi3M7pLgGF2wf7fA9U
- SPFv=spf1 include:_spf.google.com ~all
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
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