Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arcoeducacao.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 00:04:25 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
SOA Record
Raw SOA
donna.ns.cloudflare.com dns.cloudflare.com 2400116858 10000 2400 604800 1800
Primary NS (mname)
donna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400116858
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kanye.ns.cloudflare.com
donna.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net include:one.zoho.com include:zcsend.net +ip4:168.138.226.49 include:_spf.salesforce.com include:mail.zendesk.com include:spf1.clarizen.com include:_spf.rdstation.com.br include:sendgrid.net include:amazonses.com -all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._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
25 records- google-site-verification=dbX5ZoCkZVdAaszO2ECJxCREMHrVUEkuwYjAvdSxGNc
- zoho-verification=zb50207789.zmverify.zoho.com
- miro-verification=d16a7ebc7099a500caa10862e30216aba32e5a5e
- google-site-verification=g8vv2R7uE4HNSpjKUUkexpjNvQhx7czWLX42ktN9ZOo
- google-site-verification=IWPWE5stbdGZgeue3GYYJR8IuR0ImOVbyyZwVw_DZGw
- fortinet-fortiphish-site-verification=XoNxgUuGufwhppW4Po4UGi
- mongodb-site-verification=Fkg2wxl0V9qIK9xv7juVIexs3zEaUdEk
- SPFv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:servers.mcsv.net include:one.zoho.com include:zcsend.net +ip4:168.138.226.49 include:_spf.salesforce.com include:mail.zendesk.com include:spf1.clarizen.com include:_spf.rdstation.com.br include:sendgrid.net include:amazonses.com -all
- google-site-verification=RrHsfBruitt9cn60boXBdwDCbyohSUW3o7ibJHlBLgY
- google-gws-recovery-domain-verification=50152767
- aa991dc4-b451-4b83-81e3-ef02e4daea0d
- google-gws-recovery-domain-verification=53053452
- asv_domain=a07d3244cefc073f83d68f06726e6ce6
- nvdvbfnkbhdpw7lxkjc97cqcrvyyx10m
- projectdiscovery-verification=e5534a4bb6
- atlassian-domain-verification=AkpYWmwam9y6KwSTELVVW2X72JwqmhGcwToPtkG7qbaurVSRmSSfh8ztEkn8cr1N
- atlassian-domain-verification=I416cGEmIkNaKsZkFkr8mV7n1iHtPsL4ehFzZqzUQ/UDR1aSyUrpksKQllTtTvWa
- zoho-verification=zb71070820.zmverify.zoho.com
- google-site-verification=TqAg25MJ9bHWeCUDHRhEVKJmtm3l0t_wCW_7Pb6UZlE
- anthropic-domain-verification-hkypvv=4AGktIM8QqfNXwRCmbN9MyyKW
- MS=ms97686604
- figma-domain-verification=ff92a0b762996727e54a54ef76203a210b810f8ed68fa2bc3312054025d95883-1754333085
- apple-domain-verification=3D98X9XKLjr8L2Qm
- b1967ad66ea4aeb0ddd093e01994d6
- apple-domain-verification=Gk6LQqTJKtSngXVz
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