perimeter81.com

Valid Email Server
Domain Lookup › perimeter81.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
perimeter81.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 03:18:38 UTC · ↺ Refresh

MX Hostnames

  • perimeter81-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 52.85.31.21
  • 52.85.31.29
  • 52.85.31.28
  • 52.85.31.89
  • 2606:4700:10::6816:30f7
  • 2606:4700:10::6816:31f7

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1390.awsdns-45.org
ns-1912.awsdns-47.co.uk
ns-507.awsdns-63.com
ns-600.awsdns-11.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.28.196.187 include:sendgrid.net include:stspg-customer.com include:fdspfus.freshemail.io ip4:159.183.209.233 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

13 records
  • mongodb-site-verification=QBiaM80j0DCQsHoMyfiGzPg4y4S8U5kW
  • mongodb-site-verification=UtI5UoqRU3T6pFXHkchZ9nrthJaoU6jO
  • mongodb-site-verification=ZbfbvxVno5XBrR0uVWFXqaGZ0FfG9arI
  • mongodb-site-verification=sD8JnTj0PGilWl3zK1LYaQW7Pubg4hMo
  • status-page-domain-verification=xt3yxw341zvh
  • SPFv=spf1 ip4:185.28.196.187 include:sendgrid.net include:stspg-customer.com include:fdspfus.freshemail.io ip4:159.183.209.233 include:spf.protection.outlook.com -all
  • zapier-domain-verification-challenge=6c246f52-2b50-4450-8364-9441584277f9
  • zoho-verification=zb51719799.zmverify.zoho.com
  • MS=ms90038918
  • _globalsign-domain-verification=6qeMEr0ogjkSG8XSOUqtVQFNH1tsMoCvxSRa7DE-Na
  • apple-domain-verification=5Q9pczikuJcABPFn
  • atlassian-domain-verification=OAFLhunIHAsvjL1SCeeNaYiPslEf7JXjseLgxMXSyiKvzuqI/y3v/mfQHaFoC9uY
  • google-site-verification=ey1dCvmZd3ejYSzk6e3GJtbK1lHGeWXYnoTjj0LE1Jk
Full email verification for perimeter81.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits