rubenco.com

Valid Email Server
Domain Lookup › rubenco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rubenco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:54:29 UTC · ↺ Refresh

MX Hostnames

  • rubenco-com.mail.protection.outlook.com

MX Priorities

  • rubenco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1473.awsdns-56.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1473.awsdns-56.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1555.awsdns-02.co.uk
ns-237.awsdns-29.com
ns-796.awsdns-35.net
ns-1473.awsdns-56.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:207.237.149.20 ip4:165.193.51.29 include:spf.intermedia.net include:spf.buildinglink.com include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No 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

5 records
  • cj1mf2dckd5g5576vncnft9mci
  • m8c66qr04i387lsrjcq9dl5vr9
  • SPFv=spf1 ip4:207.237.149.20 ip4:165.193.51.29 include:spf.intermedia.net include:spf.buildinglink.com include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
  • MS=ms69344008
  • aukklgncb9u2af8889j7rltgp4
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