Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sistemainfo.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 02:53:21 UTC · ↺ Refresh
MX Hostnames
- mx3.apmx.com.br
- mx4.apmx.com.br
- mx1.apmx.com.br
- mx2.apmx.com.br
MX Priorities
- mx2.apmx.com.br: 20
- mx4.apmx.com.br: 40
- mx1.apmx.com.br: 10
- mx3.apmx.com.br: 30
A / AAAA Records
- 177.53.143.4 ↩ server.infodataweb.com.br
Mail Server IPs
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
SOA Record
Raw SOA
sistemainfo.com.br hostmaster.sistemainfo.com.br 2026031605 10 1200 604800 9000
Primary NS (mname)
sistemainfo.com.br
Admin Email (rname)
hostmaster@sistemainfo.com.br
Serial
2026031605
Refresh
10s
Retry
1200s
Expire
604800s
Minimum TTL
9000s
Nameservers (NS)
ns1.sistemainfo.com.br
ns2.sistemainfo.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:177.54.55.226 +ip4:177.93.106.100 +include:_spf.google.com ip4:187.108.195.0/24 ip4:186.209.113.0/24 include:spf.antispamcloud.com include:spf-sistemainfo.antispampremium.com.br ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- openai-domain-verification=dv-7vc4CsCjRyzhPhRvFYfkqGyz
- atlassian-domain-verification=W7tNdFRNtLVXxfULFSE2QYQ08TimjOHgwr3eOfagQAN3o5LdsosgqZVwR6nShD7q
- postman-domain-verification=fd8652271b2a0345418fade6a4a16f62d101003c064f636b9cbf6f58d6cd56b8b1f117d190520b6d18422b6da1a93261c501ce1ca381c61bd74e628f8f80d24c
- MS=ms49959266
- google-site-verification=UP5hYZa8Y-IK5TIOddRlu82339vWPWQFOiA9lC-z6lM
- google-site-verification=LzzrC1CK2vSsvwAPfQd59pcTAnQ_jHkHqFFJwWFqNiA
- google-site-verification=LU02fito44gCDGXhxLHvQ1UrqhpKTsnnZOQmYge4k4Y
- SPFv=spf1 +a +mx +ip4:177.54.55.226 +ip4:177.93.106.100 +include:_spf.google.com ip4:187.108.195.0/24 ip4:186.209.113.0/24 include:spf.antispamcloud.com include:spf-sistemainfo.antispampremium.com.br ~all
- site24x7-signals-domain-verification=403676438c740350f58e8cb7a1b1e587
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