Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coreexponent.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:44:17 UTC · ↺ Refresh
MX Hostnames
- coreexponent-com.mail.protection.outlook.com
MX Priorities
- coreexponent-com.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.160.17 ↩ server-99-84-160-17.jfk50.r.cloudfront.net
- 99.84.160.50 ↩ server-99-84-160-50.jfk50.r.cloudfront.net
- 99.84.160.18
- 99.84.160.118
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-243.awsdns-30.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-243.awsdns-30.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1735.awsdns-24.co.uk
ns-243.awsdns-30.com
ns-688.awsdns-22.net
ns-1359.awsdns-41.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- google-site-verification=HBQjP8-g2p9xChtiUJ62U6pVQ0RvvBClSppfo4PsxuU
- pinterest-site-verification=a90b061d9b60b3446462e8b33479760d
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms71356692
Full email verification for coreexponent.com
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