skolen.com.br

Valid Email Server
Domain Lookup › skolen.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
skolen.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 13:14:46 UTC · ↺ Refresh

MX Hostnames

  • smtp.secureserver.net
  • mailstore1.secureserver.net

MX Priorities

  • mailstore1.secureserver.net: 10
  • smtp.secureserver.net: 0

A / AAAA Records

  • 34.111.179.208 ↩ 208.179.111.34.bc.googleusercontent.com

Mail Server IPs

  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net

SOA Record

Raw SOA b.sec.dns.br hostmaster.registro.br 2026087000 86400 900 604800 900
Primary NS (mname)
b.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026087000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

c.sec.dns.br
b.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • amazonses:6gi+ZzA2K6wlImc3hB6gJWfJMOtW1IUtdoUXVNQb/oA=
  • SPFv=spf1 include:secureserver.net -all
  • replit-verify=4e89be22-405c-40f9-a225-5a7dda9a4bbf
  • D8072373
  • google-site-verification=9KI24FVRRY4We7J2VlXlBaErmle6YbC2IoEZen8Z26M
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