Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
custerinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 01:48:51 UTC · ↺ Refresh
MX Hostnames
- custerinc-com.mail.protection.outlook.com
MX Priorities
- custerinc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 157.245.243.219 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
chris.ns.cloudflare.com dns.cloudflare.com 2398752008 10000 2400 604800 1800
Primary NS (mname)
chris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398752008
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ursula.ns.cloudflare.com
chris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:157.245.243.219 ip4:209.124.58.130 ip4:52.144.33.215 include:_spf.salesforce.com include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com include:emailus.freshservice.com include:emsd1.com include:49254365.spf06.hubspotemail.net include:spfa.cpmails.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=wfzo2JLpQrB-ImZ_v17p08McEmqtzSNEGnOE5fFR2BU
- google-site-verification=z-PXRvS00DjBTa_npLVkZpxZa4BtwESipKmq3RQ5tKo
- SPFv=spf1 ip4:157.245.243.219 ip4:209.124.58.130 ip4:52.144.33.215 include:_spf.salesforce.com include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com include:emailus.freshservice.com include:emsd1.com include:49254365.spf06.hubspotemail.net include:spfa.cpmails.com -all
- OX8K3OYQB2B938HE499BP0R6IMB7K37MFSMF5VSP
- apple-domain-verification=4oMWGuBpGleYEKcE
- google-site-verification=jFgowoQDU_jeMG7vIs7dg85_-pb67oSgXqGrZ6d634k
- google-site-verification=rSSKhKy_9uDxv97QET7wIQt9KMxpHabZXKmXLYv8kBE
Full email verification for custerinc.com
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