Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercadocar.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 12:10:16 UTC · ↺ Refresh
MX Hostnames
- mercadocar-com-br.mail.protection.outlook.com
MX Priorities
- mercadocar-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 20.10.22.97 (no PTR)
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
e.sec.dns.br hostmaster.registro.br 2026078000 345600 900 604800 900
Primary NS (mname)
e.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026078000
Refresh
345600s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
f.sec.dns.br
e.sec.dns.br
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com ip4:131.255.100.134 ip4:189.108.128.170 ip4:177.222.22.181 ip4:179.189.226.180 include:spf-77.mailgrid.net.br -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
8 records- new-relic-domain-verification=afb8f6db9fa345b48eb7a805bd475ea1
- google-site-verification=gPG8WlHmOD5rkdxTrna7PV475is_fSPUt-pb58LkJ6I
- google-site-verification=ik0lkHx2Q2w9aXRZtO31vgFTABvN0UAe_WvI14hRaOU
- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:131.255.100.134 ip4:189.108.128.170 ip4:177.222.22.181 ip4:179.189.226.180 include:spf-77.mailgrid.net.br -all
- MS=ms30992331
- asnv5aqa5un5batro5kh9miuuh
- p88cv1s4qa23q4btkddecdgc3s
- MS=A670BD8535D6A88CF9A02E69EDBB68AD07A6D6E7
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