jeffcoptg.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 16:24:05 UTC · ↺ Refresh

MX Hostnames

  • Jeffcoptg-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.197.62.11 ↩ 11.62.197.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.tigertech.net support.tigertech.net 2026030703 7200 1800 1209600 900
Primary NS (mname)
ns1.tigertech.net
Admin Email (rname)
support@tigertech.net
Serial
2026030703
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns2.tigertech.biz
ns1.tigertech.net
ns3.tigertech.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

2 records
  • MS=ms73614303
  • SPFv=spf1 include:spf.protection.outlook.com -all
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