Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ismart.org.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 15:17:22 UTC · ↺ Refresh
MX Hostnames
- ismart-org-br.mail.protection.outlook.com
MX Priorities
- ismart-org-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.40.91 (no PTR)
- 172.67.183.71 (no PTR)
- 2606:4700:3035::6815:285b
- 2606:4700:3035::ac43:b747
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
beth.ns.cloudflare.com dns.cloudflare.com 2399499409 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399499409
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
uriah.ns.cloudflare.com
beth.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:68.183.146.136 ip4:77.68.5.247 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.kmitd.com include:_spf.rdstation.com.br include:sendgrid.net include:amazonses.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- amazonses:eJacPVtrEmJyB4TOGnLLnutG/3t4/llM17NXry0qiso=
- google-site-verification=lmwyl4hwk1lTua3qYzouPzyH6tFJOcg3pjj2Myg_Elc
- SPFv=spf1 a mx ip4:68.183.146.136 ip4:77.68.5.247 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.kmitd.com include:_spf.rdstation.com.br include:sendgrid.net include:amazonses.com ~all
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