sgcontractinginc.com

Valid Email Server
Domain Lookup › sgcontractinginc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sgcontractinginc.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 04:43:54 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.21.69.148 (no PTR)
  • 172.67.209.92 (no PTR)
  • 2606:4700:3036::ac43:d15c (no PTR)
  • 2606:4700:3036::6815:4594 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA desi.ns.cloudflare.com dns.cloudflare.com 2400457079 10000 2400 604800 1800
Primary NS (mname)
desi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400457079
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

frank.ns.cloudflare.com
desi.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:us221.siteground.us include:spf.smtp2go.com include:spf.protection.outlook.com include:spf.spamhero.com include:sgcontractinginc.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; ri=86400; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 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

1 record
  • SPFv=spf1 include:us._netblocks.mimecast.com include:us221.siteground.us include:spf.smtp2go.com include:spf.protection.outlook.com include:spf.spamhero.com include:sgcontractinginc.com.spf.auto.dnssmarthost.net ~all
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 sgcontractinginc.com

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

No credit card required
Get 1,000 Free Credits