Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbi.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 16:02:17 UTC · ↺ Refresh
MX Hostnames
- mxa-003d4901.gslb.pphosted.com
- mxb-003d4901.gslb.pphosted.com
MX Priorities
- mxb-003d4901.gslb.pphosted.com: 10
- mxa-003d4901.gslb.pphosted.com: 10
A / AAAA Records
- 162.159.129.11 (no PTR)
Mail Server IPs
- 205.220.172.138 ↩ mx0b-003d4901.pphosted.com
- 205.220.160.138 ↩ mx0a-003d4901.pphosted.com
SOA Record
Raw SOA
udns1.cscdns.net premiumdns.support.neustar 2019111596 28800 7200 604800 14400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
2019111596
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:b.spf.service-now.com include:docebosaas.com include:customerspf.schoolmessenger.com include:sendgrid.net ip4:52.71.63.224/27 ip4:52.35.253.64/27 ip4:208.71.188.0/22 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:34.231.51.191 ip4:163.116.128.0/17 ip4:54.164.33.110 ip4:72.138.56.66 ip4:205.220.172.138 ip4:205.220.160.138 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
35 records- sophos-domain-verification=69b6139354fc845e5c2c5d1819f0b538fa030135be74bc6ffd9a78387a22b4f9
- cisco-ci-domain-verification=57552df3fb42d00074c8426b57a21c7ce14c20a65da69795a2886ae6a3455df6
- docusign=730a3d40-031f-4d81-b151-0047d6ce5ad6
- notion-domain-verification=jGed3r4U1XGxbpJqtK95uqGEgbzij67v0qyzxTXfy3F
- h1-domain-verification=5wa1jiMNbrwxBriETDWm6KF3Pj5ud5zuYmGvTriqHJwTrYvx
- 0ed1fe018a53df2a234be946c290584045f66dba60
- SPFv=spf1 include:spf.protection.outlook.com a:b.spf.service-now.com include:docebosaas.com include:customerspf.schoolmessenger.com include:sendgrid.net ip4:52.71.63.224/27 ip4:52.35.253.64/27 ip4:208.71.188.0/22 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:34.231.51.191 ip4:163.116.128.0/17 ip4:54.164.33.110 ip4:72.138.56.66 ip4:205.220.172.138 ip4:205.220.160.138 -all
- onetrust-domain-verification=a0da86a007654d8abd69a80c1e9b96c9
- adobe-idp-site-verification=982507c734ea00abd1ba96c389507c9eb947123faa805db66afa7e1d4fe3a6e5
- bluebeam-verification=dc24koazrkzng9dk5b46m92p0jc8h2
- _cvnugfaympbir67sz3kp30pue8y99sy
- ZOOM_verify_tzBP6ZrY8ugOsvoDfYBIUN
- b7mw6z44mj3h153193rvz6jvhn4mpyrx
- h1-domain-verification=5YAXXqEeFCLu3frp6Lj4BgvxCH833et5YfVN85BudJ8GJXyE
- openai-domain-verification=dv-YMQkg7A76QwJRvdXwDgEBYm4
- xv6rxxyp9gsxm7v8pnbj4vyy3d1ml1ws
- google-site-verification=CoUW3Hx28_vsjiUwWtY3hHTLZzFqx__gZq9dNbHJ7r8
- cursor-domain-verification-nde7wp=hXOxAOTmNB8MAzBLfgdtxgWR0
- jamf-site-verification=mbK4PnCAwK4pYIhE-BMc3w
- onetrust-domain-verification=19216c2d526546a39dd83bbe8c10d1d3
- onetrust-domain-verification=fe943a4872424c33847109891bc6af8d
- hcp-domain-verification=7e650dc3c77493607ece98399ef3616726bbb43d34d64944d82153275d7fc7a1
- slack-domain-verification=wyQu4EqSKTSkLEpsXLUcBrns40pliKH94VzL7Sg1
- apple-domain-verification=Y6oCYxl9pd108JAE
- MS=ms21346104
- atlassian-domain-verification=Y0x/qNUEAwGFYdUbPHgXWtFXs0d5wBfdA9c8c1RGEUA/B8J3haEkPWSW8LqQwJJf
- smartsheet-site-validation=tUk1-8CH9oF00ta4NBjLw6drnWFV0PnX
- Dynatrace-site-verification=5d3c6816-3b27-45ee-8541-4a9dee285ee9__mp4j9s2hrn8r62ehpefs399j6
- vallor-domain-verification-bph8t2=Vf7BtMxuxzKMA562AN7cAxp1w
- 632b0d3eea14cf9b94b150c12952a81c160fd7fefd2ab6b82b
- 4r6lfd1m3c2c7f7vhvt04zzs5k028y5g
- monday-com-verification=zJLIQTeGJYct8_Ctyn70OSBZX4cg7GSDzxSK04jebAs
- anthropic-domain-verification-yvxjwg=x5CG3wcesq4Hrq9dJzxuUW6kQ
- teamviewer-sso-verification=57f2aa49a27648658099823bbf7b5fb3
- shopify-verification-code=00IZVzwERmgzQwwf9zToSGMYVQNlsI
Full email verification for rbi.com
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