Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crtkl.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 15:36:10 UTC · ↺ Refresh
MX Hostnames
- crtkl-com.mail.protection.outlook.com
MX Priorities
- crtkl-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.130.4.33 (no PTR)
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.rackspace.com webmaster.callisonrtkl.com 1739305656 21600 3600 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
webmaster@callisonrtkl.com
Serial
1739305656
Refresh
21600s
Retry
3600s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns1.stabletransit.com
dns2.stabletransit.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:216.54.214.211 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- MS=ms79921524
- smartsheet-site-validation=xoi0uIk0oqU7VLKGK0kgHO0EhpXeooUG
- miro-verification=7b2107971200e45b4f7ee352d800bf6174154017
- SPFv=spf1 include:spf.protection.outlook.com ip4:216.54.214.211 -all
- adobe-idp-site-verification=9e45c0eb-31ba-43f3-a9d9-5f4fd5bd7889
Full email verification for crtkl.com
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