Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calpine.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:22:43 UTC · ↺ Refresh
MX Hostnames
- calpine-com.mail.protection.outlook.com
MX Priorities
- calpine-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8000::1 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
15 records- MS=ms61319655
- kwjvPJeLbnLemDuCZROsDYxhuFHIEvsXAOrGaxu/eHxAkSR5eughwo2pMHZwPKgDCNaWFc1evP2H55CA3c+0cA==
- All inquiries should be directed to [email protected]
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- ciscocidomainverification=4169efb974ffedcb30c4042367e58fa5255c9438e8eff30e6a240ba16c3af629
- eirjai8jb0ln04eprb74qfslv
- docusign=4c9148c3-0cea-4c68-84cf-683cd68e730f
- atlassian-domain-verification=JYl84X964STtLQTqvI9hDdhF3gPuJfa+fN1JwV/a6YG0giyU7aGVcyVv/ZiJzCkw
- apple-domain-verification=2C9Ws3qvLBtHgUkz
- i5dr6o5fj0u8vv01ns6oouee7q
- adobe-idp-site-verification=7e666ed390b9e53f8e2467cea8b3f2fe5f1a3ef1200798a7b4f27d2433916691
- atlassian-sending-domain-verification=cdb2b51a-48b0-4305-80ad-f23f694c1f00
- intersight=75536b365564b3ca2736d8d7a10a254a7872d41deed3759d939bf29bce46816e
- mandrill_verify.M8qJw_1DdGE6VwXqbgwt1Q
- ZOOM_verify_fAjEKkdafemT7LBk5WMBrj
Full email verification for calpine.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits