rubi.com

Valid Email Server
Domain Lookup › rubi.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rubi.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-24 15:14:13 UTC · ↺ Refresh

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MX Hostnames

  • rubi-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 99.84.160.56 ↩ server-99-84-160-56.jfk50.r.cloudfront.net
  • 99.84.160.17 ↩ server-99-84-160-17.jfk50.r.cloudfront.net
  • 99.84.160.40
  • 99.84.160.13

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::a ↩ mail-am7pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-364.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-364.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1672.awsdns-17.co.uk
ns-364.awsdns-45.com
ns-549.awsdns-04.net
ns-1314.awsdns-36.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:84.76.254.192/28 ip4:85.62.15.138 ip4:82.98.162.12 ip4:185.197.0.113 ip4:18.168.140.58 ip4:18.168.51.200 ip4:148.59.101.17 ip4:68.221.29.112 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:6786297.spf06.hubspotemail.net include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=0:d:s; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
google._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms86016790
  • brevo-code:2ebeebab7a890df4fa62adec81f1959c
  • google-site-verification=tvIO7RutASMvxCf3Kd0Cbgq0o2NYDowNaYLFvuRqJok
  • SPFv=spf1 ip4:84.76.254.192/28 ip4:85.62.15.138 ip4:82.98.162.12 ip4:185.197.0.113 ip4:18.168.140.58 ip4:18.168.51.200 ip4:148.59.101.17 ip4:68.221.29.112 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:6786297.spf06.hubspotemail.net include:_spf.salesforce.com -all
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