isecensa.edu.br

Valid Email Server
Domain Lookup › isecensa.edu.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isecensa.edu.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 07:50:26 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt4.aspmx.l.google.com: 10
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 187.63.100.47

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net

SOA Record

Raw SOA cnetdns04.censanet.com.br infra.censanet.com.br 2025111101 10800 3600 604800 3600
Primary NS (mname)
cnetdns04.censanet.com.br
Admin Email (rname)
infra@censanet.com.br
Serial
2025111101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

cnetdns05.censanet.com.br
cnetdns04.censanet.com.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:187.63.100.0/24 ip6:2804:538:0:1::/64 a mx include:servers.mcsv.net include:_spf.google.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • google-site-verification=Tu9hpa3VcQPEDCnDjUU6Vp_NbJup_0Kmp2dNALmh-_0
  • SPFv=spf1 ip4:187.63.100.0/24 ip6:2804:538:0:1::/64 a mx include:servers.mcsv.net include:_spf.google.com -all
Full email verification for isecensa.edu.br

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