Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
santoantonio.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 08:14:17 UTC · ↺ Refresh
MX Hostnames
- santoantonio-edu-br.mail.protection.outlook.com
MX Priorities
- santoantonio-edu-br.mail.protection.outlook.com: 10
A / AAAA Records
- 177.129.148.230 ↩ santoantonio.edu.br
- 2801:80:660:fffd::b181:94e6 ↩ www.inesa.com.br
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-09.azure-dns.net
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:177.129.148.225 ip4:177.129.148.227 ip4:177.129.148.234 ip6:2801:80:660:fffd::b181:94e1 ip6:2801:80:660:fffd::b181:94e3 ip6:2801:80:660:fffd::b181:94ea include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo 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
4 records- SPFv=spf1 ip4:177.129.148.225 ip4:177.129.148.227 ip4:177.129.148.234 ip6:2801:80:660:fffd::b181:94e1 ip6:2801:80:660:fffd::b181:94e3 ip6:2801:80:660:fffd::b181:94ea include:spf.protection.outlook.com -all
- MS=ms80429365
- 0WnMo6ZTVcdoaozoUSCSxMhE6vSof1sqG73NDr5oa+T2ne7pULbcOVjax6MH8QJUsc4O6DRNVMLWJCP0LuAyug==
- google-site-verification=yBSKqBQndqiX81VPqIYkErGtGD9tgG1UOLIhAvvHgpw
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