Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
circa1875.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:26:44 UTC · ↺ Refresh
MX Hostnames
- circa1875-com.mail.protection.outlook.com
MX Priorities
- circa1875-com.mail.protection.outlook.com: 0
A / AAAA Records
- 44.199.119.204 ↩ ec2-44-199-119-204.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns23.domaincontrol.com dns.jomax.net 2025092601 28800 7200 604800 3600
Primary NS (mname)
ns23.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025092601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns24.domaincontrol.com
ns23.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 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
✗ 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=ms74568747
- NETORGFT11580838.onmicrosoft.com
- SPFv=spf1 include:spf.protection.outlook.com -all
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