shellab.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
shellab.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:41:13 UTC · ↺ Refresh

MX Hostnames

  • shellab-com.mail.protection.outlook.com

MX Priorities

  • shellab-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.1.74.166 ↩ server.sheldonmanufacturing.com

Mail Server IPs

  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA pdns03.domaincontrol.com dns.jomax.net 2025080601 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025080601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns03.domaincontrol.com
pdns04.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.239.107.122 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

5 records
  • ms=ms63536092
  • dsi8f3eg9knpi2bfg4vpfi6sk0
  • 7bpYpV/sSswdZcyOSjnRaVSFc/Ubw0L4wUmeJHSJ9TcZIFCzB8sz7xb/GkQ2Hj1qDrbo8s2rc/16LSdQ54V6fw==
  • SPFv=spf1 ip4:50.239.107.122 include:spf.protection.outlook.com -all
  • hm7vjsq2ld0i330is3pn9ko0up
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