peninsula.org

Valid Email Server
Domain Lookup › peninsula.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
peninsula.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:33:34 UTC · ↺ Refresh

MX Hostnames

  • esa2.peninsula.org
  • esa1.peninsula.org

MX Priorities

  • esa2.peninsula.org: 60
  • esa1.peninsula.org: 60

A / AAAA Records

  • 23.185.0.1 (no PTR)
  • 2620:12a:8000::1 (no PTR)
  • 2620:12a:8001::1 (no PTR)

Mail Server IPs

  • 168.67.2.30 ↩ esa2.peninsula.org
  • 168.67.2.29 ↩ esa1.peninsula.org

SOA Record

Raw SOA gate.peninsula.org postmaster.peninsula.org 2026021606 86400 7200 2419200 43200
Primary NS (mname)
gate.peninsula.org
Admin Email (rname)
postmaster@peninsula.org
Serial
2026021606
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
43200s

Nameservers (NS)

gate3.peninsula.org
gate5.peninsula.org
gate.peninsula.org

SPF Record

✓ Strict (-all)
v=spf1 +mx +ip4:68.232.140.79 +ip4:68.170.129.8 +ip4:68.170.129.9 +ip4:168.67.1.116 +ip4:168.67.1.117 +a:coiv2.hccs.com include:spf.protection.outlook.com include:sparkpostmail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • KmfuXV1WDNlydiizafQmGcrGK2s4HX3wRCDlvq/rZB6EsQfrud9k/B7KRPV4G0W40Dv+7tlaxMO1ox7/HqJ8+w==
  • MS=ms55773435
  • smartsheet-site-validation=pUJp69gRfZQjJiJYM2bCOJMiIkmsxeUZ
  • SPFv=spf1 +mx +ip4:68.232.140.79 +ip4:68.170.129.8 +ip4:68.170.129.9 +ip4:168.67.1.116 +ip4:168.67.1.117 +a:coiv2.hccs.com include:spf.protection.outlook.com include:sparkpostmail.com -all
  • google-site-verification=5IvgT_ssTuq9S0wUQJlQDYdV26Piu19IdlYdgk8kXXI
  • ENsM0DbHXYD73fVeGAFZSsZhuEeG+9pHEXsGrmiMzOkSyyee61pS3eZmBG7e22Xtc72JCN21B+byQaWecXhfpA==
  • nintex.5be092bd82f66e7f548e1b78
  • apple-domain-verification=mjc5XmgeQP6iKbeJ
Full email verification for peninsula.org

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

SPF / DKIM / DMARC Get 1,000 Free Credits