ci.claremont.ca.us

Valid Email Server
Domain Lookup › ci.claremont.ca.us
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ci.claremont.ca.us
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 10:30:47 UTC · ↺ Refresh

MX Hostnames

  • usb-smtp-inbound-1.mimecast.com
  • usb-smtp-inbound-2.mimecast.com

MX Priorities

  • usb-smtp-inbound-2.mimecast.com: 10
  • usb-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 52.247.170.120 (no PTR)

Mail Server IPs

  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com ip4:134.173.253.112 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

12 records
  • p9rnfsmk6mm48rjfrf7dilva1l
  • 5esn9c93hb2vldlnihcgucfe4c
  • ZOOM_verify_Tuqpn_kcTsOy2GSkFGArYg
  • 2rnkjt8bn5ndp32etrp0n54njo
  • google-site-verification=wbd9Q2qBlPIaLf6iY5KOprmmbZcJbg9czZsSTI-oct0
  • 0ed1fe018a32d801c4787e438bb3b4c51eee644e67
  • SPFv=spf1 include:usb._netblocks.mimecast.com ip4:134.173.253.112 include:spf.protection.outlook.com ~all
  • MS=ms39973582
  • apple-domain-verification=EjcWWzGEIaJvIOPy
  • MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMj2PQVqKzsv3o5LDoYw780ZIiBRxBLX6y6XE14E5B1v2Dq0Cnw8EJH3peUUVigzxxXDjOEqQH683M3OPXraldr7g0QGwENPsZkWltdImKlFk3RRlSjdvsIXl1vpuAdod2872DvP3xR4ltaOSrLNgZ3nKO5/yKVRStz07AqFPWTwIDAQAB
  • p6ienmart10tr9k4108vugo1ot
  • PFExdTqM
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for ci.claremont.ca.us

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits