Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jblcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:23:36 UTC · ↺ Refresh
MX Hostnames
- jblcorp-com.mail.protection.outlook.com
MX Priorities
- jblcorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.185.159.145
- 198.49.23.144
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1759436005 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1759436005
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.p02.nsone.net
dns4.p02.nsone.net
dns1.p02.nsone.net
dns2.p02.nsone.net
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=ms92399021
- apple-domain-verification=6oDIto7ldv6cpyrB
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for jblcorp.com
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