Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sterlingca.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 09:55:31 UTC · ↺ Refresh
MX Hostnames
- sterlingca-com.mail.protection.outlook.com
MX Priorities
- sterlingca-com.mail.protection.outlook.com: 3600
A / AAAA Records
- 185.151.30.142 ↩ 185-151-30-142.ptr4.stackcp.net
- 2a07:7800::142 (no PTR)
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1759924897 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1759924897
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns3.stackdns.com
ns4.stackdns.com
ns1.stackdns.com
ns2.stackdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.comip4:62.232.115.70 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms71367191
- SPFv=spf1 include:_spf.mlsend.comip4:62.232.115.70 include:spf.protection.outlook.com -all
- mailerlite-domain-verification=552f3b6fd047526794513090c9bfbf258a929293
Full email verification for sterlingca.com
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