Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ribeirocorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:56:53 UTC · ↺ Refresh
MX Hostnames
- ribeirocorp-com.mail.protection.outlook.com
MX Priorities
- ribeirocorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.67.108.165 ↩ zeus.ecpowerhost.com
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.worldnic.com namehost\@worldnic.com 124091213 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124091213
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns44.worldnic.com
ns43.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:92.51.176.0/24 ip4:24.234.151.150 ip4:92.51.177.0/24 ip4:24.234.197.51 ip4:24.120.116.88 ip4:71.9.231.154 ip4:72.202.241.130 ip4:24.234.196.138 include:spf.protection.outlook.com include:ribeirolv.ddns.net include:sendgrid.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- google-site-verification=2PqLtuZ04cz8aCfIukykikIj4XUg2THP4YktLgoqzKU
- SPFv=spf1 mx ip4:92.51.176.0/24 ip4:24.234.151.150 ip4:92.51.177.0/24 ip4:24.234.197.51 ip4:24.120.116.88 ip4:71.9.231.154 ip4:72.202.241.130 ip4:24.234.196.138 include:spf.protection.outlook.com include:ribeirolv.ddns.net include:sendgrid.net ~all
- YnSVb3fdN/lYpxXpantCqQdDLPVX7eRhNcOxvnJX//scCPxatRtNdBhVeXfsJ9E+gui02xsNSiwJJIJRg6OL2Q==
Full email verification for ribeirocorp.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits