Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cornwellsample.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 11:01:04 UTC · ↺ Refresh
MX Hostnames
- cornwellsample-com.mail.protection.outlook.com
MX Priorities
- cornwellsample-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.60.247 (no PTR)
- 172.67.202.204 (no PTR)
- 2606:4700:3032::6815:3cf7
- 2606:4700:3033::ac43:cacc
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
arch.ns.cloudflare.com dns.cloudflare.com 2400045747 10000 2400 604800 1800
Primary NS (mname)
arch.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400045747
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
arch.ns.cloudflare.com
hope.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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- atomic-domain-52ff15b718a32734eef4c34337833b8eb9bec9b962f7f961c236330dc18e9c84
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms57600041
- MS=ms72649528
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