Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
shepherdcpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 00:29:11 UTC · ↺ Refresh
MX Hostnames
- shepherdcpa-com.mail.protection.outlook.com
MX Priorities
- shepherdcpa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 50.6.4.99 ↩ 50-6-4-99.unifiedlayer.com
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.shepherdcpa.com root.shepherdcpa.com 2026020501 3600 1800 1209600 86400
Primary NS (mname)
ns1.shepherdcpa.com
Admin Email (rname)
root@shepherdcpa.com
Serial
2026020501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.shepherdcpa.com
ns2.shepherdcpa.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.6.4.99 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:50.6.4.99 include:spf.protection.outlook.com -all
- globalsign-domain-verification=914397ce70fca4916b6dc1f2ad4827d5
- MS=ms47432210
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