coresential.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coresential.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 06:18:59 UTC · ↺ Refresh

MX Hostnames

  • coresential-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.185.41.249 ↩ 249.41.185.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns99.worldnic.com namehost.worldnic.com 125042309 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125042309
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns99.worldnic.com
ns100.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:207.126.101.0/24 include:spf.tidalhosting.com include:spf.constantcontact.com include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

2 records
  • SPFv=spf1 ip4:207.126.101.0/24 include:spf.tidalhosting.com include:spf.constantcontact.com include:spf.protection.outlook.com include:servers.mcsv.net -all
  • MS=ms76957214
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