probuild.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
probuild.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:14:40 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 74.63.162.55 (no PTR)
  • 74.63.162.48 (no PTR)
  • 74.63.162.70 (no PTR)

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA udns2.cscdns.uk hostmaster.cscdns.net 2024070968 86400 86400 86400 60
Primary NS (mname)
udns2.cscdns.uk
Admin Email (rname)
hostmaster@cscdns.net
Serial
2024070968
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
60s

Nameservers (NS)

udns1.cscdns.net
udns2.cscdns.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:servers.mcsv.net include:us._netblocks.mimecast.com ip4:192.69.130.0/27 ip4:64.106.173.0/27 a ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];pct=100;sp=none;fo=1:d;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

8 records
  • 1F0EF6C3308AD7637CABAAE8ECE2A422
  • apple-domain-verification=sbmhTvNUeH9QmOHO
  • docusign=270af585-45bd-45b5-a645-dc6c8c99853b
  • 5no8b0yzMtFymX1oxnK58lw+GlDVH4Po7NNizGj6ZjM9yogKfXY1NqyEUtqMGCZ84mHPo8gk/K3O3ptp2IN/5w==
  • box-domain-verification=be75fb8d5c78998168fdc2cdd449165f9411a9d92608fccf8ac604cee30789df
  • rjneg8II6FfijtZYuwjKDMWqaAQJFOMuOSbBUObswPDDiqZGVQKnTqtRqHbtCTQw7ukxWt6Jx6m1Cp4UUoc4Ng==
  • SPFv=spf1 include:servers.mcsv.net include:us._netblocks.mimecast.com ip4:192.69.130.0/27 ip4:64.106.173.0/27 a ~all
  • MS=ms38179009
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