Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rvtecnologia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 13:20:56 UTC · ↺ Refresh
MX Hostnames
- rvtecnologia-com-br.mail.protection.outlook.com
MX Priorities
- rvtecnologia-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 54.233.83.87 ↩ ec2-54-233-83-87.sa-east-1.compute.amazonaws.com
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1037.awsdns-01.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1037.awsdns-01.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-675.awsdns-20.net
ns-1037.awsdns-01.org
ns-168.awsdns-21.com
ns-1835.awsdns-37.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.190.254.96/28 ip4:200.190.254.64/27 ip4:187.32.87.192/26 ip4:177.184.17.0/24 ip4:54.232.12.95/32 include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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
1 record- SPFv=spf1 ip4:200.190.254.96/28 ip4:200.190.254.64/27 ip4:187.32.87.192/26 ip4:177.184.17.0/24 ip4:54.232.12.95/32 include:spf.protection.outlook.com include:mail.zendesk.com include:servers.mcsv.net -all
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