Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caliber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 22:28:26 UTC · ↺ Refresh
MX Hostnames
- caliber-com.mail.protection.outlook.com
MX Priorities
- caliber-com.mail.protection.outlook.com: 10
A / AAAA Records
- 15.197.240.141 ↩ a359b44f5e93f44e3.awsglobalaccelerator.com
- 3.33.211.116 ↩ a359b44f5e93f44e3.awsglobalaccelerator.com
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:209.90.227.0/24 ip4:20.225.212.131 ip4:147.75.5.39 ip4:147.75.0.221 ip4:134.128.102.92 exists:%{i}.spf.hc3963-70.iphmx.com include:_spf.psm.knowbe4.com include:email.prnewswire.com include:spf.criticalimpactinc.com include:spf.mandrillapp.com include:amazonses.com include:spf.protection.outlook.com include:sendgrid.net ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
13 records- google-site-verification=MtWrbFdx_wJGFaQY4AePpA2U5QRwkziqCQf9295VZyA
- knowbe4-site-verification=39b0c72b33a618c9a7a979cac4c3db10
- 5rw8f0fd8g5pwkxspwxvsz57q8j8xsr3
- google-site-verification=z_YE0hVXTfhvycNFem5KMJqlEfJHwCP2qXOHHnVN6-w
- mandrill_verify.EvQCKgLABAjLJsz3acuphQ
- apple-domain-verification=rMLKp7CvV7CWHMpc
- smartsheet-site-validation=3LiRZdBXaEesDU6HVgQEijhmYtc5vN99
- airtable-verification=835657753018c26ecc266efdfa367a7c
- anthropic-domain-verification-m3zb6f=9Rh5nVCJ6r624AgV9mGVeX8xF
- MS=ms62548077
- SPFv=spf1 a mx ip4:209.90.227.0/24 ip4:20.225.212.131 ip4:147.75.5.39 ip4:147.75.0.221 ip4:134.128.102.92 exists:%{i}.spf.hc3963-70.iphmx.com include:_spf.psm.knowbe4.com include:email.prnewswire.com include:spf.criticalimpactinc.com include:spf.mandrillapp.com include:amazonses.com include:spf.protection.outlook.com include:sendgrid.net ~all
- spf2.0/pra a mx ptr include:spf.criticalimpactinc.com ~all
- google-site-verification=muMJDQblYGHUFdY4fnlBnxj9L3MqAuYuaoimXAnJ4Ao
Full email verification for caliber.com
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