Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caoa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 02:34:06 UTC · ↺ Refresh
MX Hostnames
- caoa-com-br.mail.protection.outlook.com
MX Priorities
- caoa-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.246.40 (no PTR)
- 13.107.213.40 (no PTR)
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-36.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-36.azure-dns.net
ns3-36.azure-dns.org
ns4-36.azure-dns.info
ns1-36.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.168.189.216 ip4:200.206.34.68 ip4:129.1.16.66 ip4:187.94.49.231 ip4:172.16.33.238 ip4:177.73.177.210 ip4:177.73.177.220 ip4:177.73.180.163 ip4:187.92.73.116 a:d.spf.service-now.com include:_spf.smtplw.com include:_spf2.smtplw.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- 16915bf5-86be-435a-848f-ce02c60879b3
- facebook-domain-verification=6a3g9vlf5nltl8aa9lr4p67qckzp1p
- google-site-verification=9XZ3N5JGxDXwvW-ZFBGA4njnoPQW3AtV_k4FW2zKbmY
- google-site-verification=Gmq_q0RNQjPog-DZGqtu3P5zkKvq0utzYt-3eiiB7gI
- _globalsign-domain-verification=I8EX2sycezqJeuuQfz7rBeb9gOPB0Idos9COsi9jrb
- _globalsign-domain-verification=NnhN2JehCppBFfG-FtbztsDFE4RYWMpYMbl_VTFOY2
- _globalsign-domain-verification=aoTOauaudSOXU_RmYukAQJQbVjqv3MpyhHN9hGq89u
- o+qpGF92mP9+s6LJj5JF7ERG83LOG/rcMMrf24Kv8pmx+/l7HGvz1XCtp1qkboMM9n2oo9oEv0Hrka88nDc2Yw==
- SPFv=spf1 ip4:200.168.189.216 ip4:200.206.34.68 ip4:129.1.16.66 ip4:187.94.49.231 ip4:172.16.33.238 ip4:177.73.177.210 ip4:177.73.177.220 ip4:177.73.180.163 ip4:187.92.73.116 a:d.spf.service-now.com include:_spf.smtplw.com include:_spf2.smtplw.com include:spf.protection.outlook.com -all
- MS=ms81905701
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