core-me.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
core-me.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 16:11:45 UTC · ↺ Refresh

MX Hostnames

  • coreme-com01b.mail.protection.outlook.com

MX Priorities

  • coreme-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.13.29 (no PTR)
  • 172.67.132.122 (no PTR)
  • 2606:4700:3033::6815:d1d
  • 2606:4700:3037::ac43:847a

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA anirban.ns.cloudflare.com dns.cloudflare.com 2399229920 10000 2400 604800 1800
Primary NS (mname)
anirban.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399229920
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

anirban.ns.cloudflare.com
harlee.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:198.57.192.120 include:spf.protection.outlook.com include:spf.lianamailer.com include:sendgrid.net include:turbo-smtp.com -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

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

2 records
  • MS=ms81425426
  • SPFv=spf1 ip4:198.57.192.120 include:spf.protection.outlook.com include:spf.lianamailer.com include:sendgrid.net include:turbo-smtp.com -all
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