cornerstonebranding.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Outlook

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-03-23 17:44:37 UTC · ↺ Refresh

MX Hostnames

cornerstonebranding-com.mail.protection.outlook.com

MX Priorities

cornerstonebranding-com.mail.protection.outlook.com: 0

A / AAAA Records

23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

                  Raw SOA
                  ns39.worldnic.com namehost.worldnic.com 125071716 10800 3600 604800 3600                

Primary NS (mname)

ns39.worldnic.com

Admin Email (rname)

namehost@worldnic.com

Serial

125071716

Refresh

10800s

Retry

3600s

Expire

604800s

Minimum TTL

3600s

Nameservers (NS)

                      ns39.worldnic.com                    

                      ns40.worldnic.com                    

SPF Record

✓ Soft Fail (~all)

                    v=spf1 ip4:38.94.139.236 include:spf.mandrillapp.com include:spf.protection.outlook.com include:paprika-worldwide.com ~all                  

📊 DNS lookups: 3/10

~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record

SPFv=spf1 ip4:38.94.139.236 include:spf.mandrillapp.com include:spf.protection.outlook.com include:paprika-worldwide.com ~all

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