Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csb1.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 10:18:29 UTC · ↺ Refresh
MX Hostnames
- csb1-com.mail.protection.outlook.com
MX Priorities
- csb1-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.64.144.101 (no PTR)
- 104.18.43.155 (no PTR)
- 2606:4700:4403::6812:2b9b
- 2606:4700:440b::ac40:9065
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.jh-cf.com dns.cloudflare.com 2396815449 10000 2400 604800 1800
Primary NS (mname)
ns1.jh-cf.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396815449
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1.jh-cf.com
ns2.jh-cf.com
SPF Record
✓ Strict (-all)
v=spf1 include:spfref.jackhenry.com include:spf.entrustedmail.net ip4:209.143.77.208/32 ip4:207.40.113.128/28 include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf1.lanxtra.com include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- 4oc3aicdvii9s6lqehjvak0rp
- MS=56CFE3C9580A7FC8C1180CCD70164255048AE7B9
- MS=ms53059420
- amazon-business-verification=1c7fca245d6888b35f722f92bb63d7f7d6b9aae2a69990ab34920bc01723aa5b
- kfkib04op33is7faki9cgjc49c
- r1u2bd1nanu8q6aj4b8nqev0ej
- SPFv=spf1 include:spfref.jackhenry.com include:spf.entrustedmail.net ip4:209.143.77.208/32 ip4:207.40.113.128/28 include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf1.lanxtra.com include:sendgrid.net -all
Full email verification for csb1.com
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