coolvu.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coolvu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 20:55:31 UTC · ↺ Refresh

MX Hostnames

  • coolvu-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.196.189.223 ↩ 223.189.196.104.bc.googleusercontent.com

Mail Server IPs

  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA arturo.ns.cloudflare.com dns.cloudflare.com 2399449701 10000 2400 604800 1800
Primary NS (mname)
arturo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399449701
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dalary.ns.cloudflare.com
arturo.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:emsd1.com include:spf.constantcontact.com include:emsd1.com include:39758912.spf10.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ 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
  • google-site-verification=R40niNru3ut0IbS2TVx2uCh0EUk58AjqlTqADOuCtfQ
  • mscid=wVqsigA9Zn3T4jrN00HJvXdRJxKkvFOrJoqj9Zk3nH4dJSgOfasoO6G9e66+S65Kexcnf1HtjIYevg6MWJnP9Q==
  • SPFv=spf1 include:spf.protection.outlook.com include:emsd1.com include:spf.constantcontact.com include:emsd1.com include:39758912.spf10.hubspotemail.net -all
Full email verification for coolvu.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits