Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
checkchangers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:22:22 UTC · ↺ Refresh
MX Hostnames
- checkchangers-com.mail.protection.outlook.com
MX Priorities
- checkchangers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.221.21 (no PTR)
- 104.21.70.69 (no PTR)
- 2606:4700:3030::ac43:dd15
- 2606:4700:3032::6815:4645
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
kate.ns.cloudflare.com dns.cloudflare.com 2398687240 10000 2400 604800 1800
Primary NS (mname)
kate.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398687240
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kate.ns.cloudflare.com
lee.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:secureserver.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- NETORG6262882.onmicrosoft.com
- l4u8ejq2sks5kj3hv17od3cesg
- SPFv=spf1 include:sendgrid.net include:secureserver.net -all
Full email verification for checkchangers.com
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