Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
perimeter83.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:42:49 UTC · ↺ Refresh
MX Hostnames
- perimeter83-com.mail.protection.outlook.com
MX Priorities
- perimeter83-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.185.159.144 (no PTR)
- 198.49.23.145
- 198.185.159.145
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-b1.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b4.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
6 records- google-site-verification=X3xQCgpTVs224aqwzsrQ5BUsJidsiyye5O35xiHCqGk
- facebook-domain-verification=n31x8v06gk3kln74axrzpw2ag1od19
- SPFv=spf1 include:spf.protection.outlook.com -all
- HEctWcqLdjkij29LIo4kGauirqhlaNE17g3OcOtKI0iRPWfWRk6O/hwbX1rVPAOY1vuuAtSGmvGUI6nOXglJ1A==
- adobe-idp-site-verification=743ebf6fa143554d737fd7fd78883ce5f5838bc7dc60ef49d99a2754ed9d4226
- MS=ms53428334
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