Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
metrorio.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 11:58:21 UTC · ↺ Refresh
MX Hostnames
- metrorio-com-br.mail.protection.outlook.com
MX Priorities
- metrorio-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 138.2.244.93 ↩ metrorio.com.br
Mail Server IPs
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.metrorio.com.br 51 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@metrorio.com.br
Serial
51
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
SPF Record
✓ Strict (-all)
v=spf1 a:metrorio.com.br a:smtp01.metrorio.com.br a:smtp02.metrorio.com.br a:internauticacallcenter.com.br include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; fo=1; adkim=s; aspf=s; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
8 records- tg1632d339m46iaup62dm40akb
- MS=ms54125612
- 8Lfab3MaSie0RdtSf4ZdClchMa49FOzozsaEdCtzXS+O44vo+vSiP3q0VTyGmAXsvil7ThXywmblyUkc9wUt/w== ...
- 6573324asqug7fojb13qqf5el8
- SPFv=spf1 a:metrorio.com.br a:smtp01.metrorio.com.br a:smtp02.metrorio.com.br a:internauticacallcenter.com.br include:spf.protection.outlook.com include:amazonses.com -all
- MS=ms71294587
- tv6bjrvgbu5nd7t1l4e0d9q9q4
- 4qrci79fp0jmfs7iipkvgd2aqb
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