cor3.pr.gov

Valid Email Server
Domain Lookup › cor3.pr.gov
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cor3.pr.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 23:40:09 UTC · ↺ Refresh

MX Hostnames

  • cor3-pr-gov.mail.protection.outlook.com

MX Priorities

  • cor3-pr-gov.mail.protection.outlook.com: 40

A / AAAA Records

  • 67.230.88.84 (no PTR)

Mail Server IPs

  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.230.88.82 ip4:64.185.218.164 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • 0VBMX/f5IRvZjc5mOyNGvInTswAR+41k1BsmBLck3Axu6HKsdkQ552WGKc49WygM4Hg9JwzES1Dh3ypgXIWw1g==
  • MS=ms96087080
  • SPFv=spf1 ip4:67.230.88.82 ip4:64.185.218.164 include:spf.protection.outlook.com -all
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