1stcontractors.com

Valid Email Server
Domain Lookup › 1stcontractors.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
1stcontractors.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 15:39:42 UTC · ↺ Refresh

MX Hostnames

  • 1stcontractors-com.mail.protection.outlook.com

MX Priorities

  • 1stcontractors-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 67.208.33.126 ↩ 1stcontractors.com

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.greengeeks.net root.chi203.greengeeks.net 2026032601 3600 1800 1209600 86400
Primary NS (mname)
ns1.greengeeks.net
Admin Email (rname)
root@chi203.greengeeks.net
Serial
2026032601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.greengeeks.net
ns1.greengeeks.net

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:108.178.43.98 include:spf.greengeeks.net +ip4:67.208.33.126 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • _globalsign-domain-verification=FSqrhcI90KDvMTvj7Eow6MjVNGm1tZQSuxUcHA6rUT
  • _globalsign-domain-verification=m2IEAHiC6qS4zY3b8kDb0s5iGencHEQudLBBNWhlx-
  • _globalsign-domain-verification=qc6z4QP0I4rWtbfIts56-ARjEhsBqubdxg8Ien07TQ
  • _globalsign-domain-verification=UfWV6Hteit80Zh8pohF1Fg5rRrCxpl6-OnGGKsRPOC
  • SPFv=spf1 +a +mx +ip4:108.178.43.98 include:spf.greengeeks.net +ip4:67.208.33.126 ~all
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