Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cursobeta.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:31:39 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 104.26.8.215
- 104.26.9.215
- 172.67.71.252
- 2606:4700:20::681a:9d7
- 2606:4700:20::ac43:47fc
- 2606:4700:20::681a:8d7
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
aaron.ns.cloudflare.com dns.cloudflare.com 2399946903 10000 2400 604800 1800
Primary NS (mname)
aaron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399946903
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lorna.ns.cloudflare.com
aaron.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net ip4:35.208.115.134 +a +mx +ip4:184.154.104.130 include:_spf.mailspamprotection.com include:_spf.google.com include:_spf.smtp.mailtrap.live include:mail.zendesk.com ~all
📊 DNS lookups: 7/10
~ 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
6 records- google-site-verification=lrMPvPmOwOS_E7tXfFd7KjSdQoM_pzzWGFJHVc9SYxc
- SPFv=spf1 include:_spf.mailersend.net ip4:35.208.115.134 +a +mx +ip4:184.154.104.130 include:_spf.mailspamprotection.com include:_spf.google.com include:_spf.smtp.mailtrap.live include:mail.zendesk.com ~all
- @
- MS=7F69BEB27792175E2BA30DA015364F0F73DCA5BC
- atlassian-domain-verification=4C9btwAlTiMCIXLdGL37XDFQKMBVtKxJoXFDE6siCnOaVJKcqHRYgHoxq5ypFa3X
- google-site-verification=ID58UYBT0MEmjY1Kz-PKBqNBpfxtDXgiaLCAwQMKyHM
Full email verification for cursobeta.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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