Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jsarch.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 19:47:58 UTC · ↺ Refresh
MX Hostnames
- jsarch-com.mail.protection.outlook.com
MX Priorities
- jsarch-com.mail.protection.outlook.com: 0
A / AAAA Records
- 75.101.134.27 ↩ ec2-75-101-134-27.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 126030311 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030311
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns99.worldnic.com
ns100.worldnic.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
2 records- i5f0k1399b50ndcrsi0ut7ku62
- SPFv=spf1 include:spf.protection.outlook.com -all
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