Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crv4all.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 19:16:22 UTC · ↺ Refresh
MX Hostnames
- crv4all-com-br.mail.protection.outlook.com
MX Priorities
- crv4all-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 40.68.79.40 (no PTR)
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-518.awsdns-00.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-518.awsdns-00.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-518.awsdns-00.net
ns-1234.awsdns-26.org
ns-161.awsdns-20.com
ns-1836.awsdns-37.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:smtp.zendesk.com include:spf.protection.outlook.com include:services.crv4all.com include:_spf.tray.com.br a:intra.crvlagoa.com.br ip4:193.173.158.0/25 ip4:194.151.39.168 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
1 record- SPFv=spf1 include:smtp.zendesk.com include:spf.protection.outlook.com include:services.crv4all.com include:_spf.tray.com.br a:intra.crvlagoa.com.br ip4:193.173.158.0/25 ip4:194.151.39.168 -all
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