systemscontractors.com

Valid Email Server

Domain Overview

DNS: โœ“ 2d ago Checker: โœ“ 2d ago
systemscontractors.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-19 07:15:09 UTC ยท โ†บ Refresh

MX Hostnames

  • systemscontractors-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.37.86.30 โ†ฉ lamp129.cloudaccess.net

Mail Server IPs

  • 52.101.194.12 โ†ฉ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.11.3 โ†ฉ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.24 โ†ฉ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.4 โ†ฉ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: โ†ฉ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 โ†ฉ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c803:: โ†ฉ mail-bn1pr21cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns77.domaincontrol.com dns.jomax.net 2026020900 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns78.domaincontrol.com
ns77.domaincontrol.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:199.116.78.85 ip4:5.61.117.80/28 ip4:5.61.117.96/28 ip4:5.61.117.112/28 include:spf.protection.outlook.com include:spf.constantcontact.com include:helpscoutemail.com ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

6 records
  • atlassian-domain-verification=HiEH8X6aiqbbIxE1i3DV9cyEPMpKwrKWwE2Iv1X7OZImrhxK3nFLLBjaddQlZrtw
  • SPFv=spf1 ip4:199.116.78.85 ip4:5.61.117.80/28 ip4:5.61.117.96/28 ip4:5.61.117.112/28 include:spf.protection.outlook.com include:spf.constantcontact.com include:helpscoutemail.com ~all
  • knowbe4-site-verification=234c19a7424fe629ce1bc359d0da09bd
  • apple-domain-verification=CJ1WTkUGLfuljBk9
  • apple-domain-verification=p3QDgKsy3xDE3Cu1
  • MS=ms83223450
Full email verification for systemscontractors.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits