markingsystems.com

Valid Email Server
Domain Lookup › markingsystems.com

Domain Overview

DNS: ✓ 10h ago Checker: ✓ 10h ago
markingsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-02 08:52:21 UTC · ↺ Refresh

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MX Hostnames

  • mx1-us1.ppe-hosted.com
  • markingsystems-com.mail.protection.outlook.com
  • mx2-us1.ppe-hosted.com

MX Priorities

  • mx1-us1.ppe-hosted.com: 0
  • markingsystems-com.mail.protection.outlook.com: 20
  • mx2-us1.ppe-hosted.com: 10

A / AAAA Records

  • 104.196.97.123

Mail Server IPs

  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 148.163.129.51
  • 67.231.154.163

SOA Record

Raw SOA ns1.biz.rr.com hostmaster.charter.com 2025060002 43200 3600 2419200 3600
Primary NS (mname)
ns1.biz.rr.com
Admin Email (rname)
hostmaster@charter.com
Serial
2025060002
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.biz.rr.com
ns1.biz.rr.com
dns4.rr.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:97.79.190.131 a:dispatch-us.ppe-hosted.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

6 records
  • wZdpnSGv
  • ppe-75b567cd367e91d53a61f1e468d658229c03eb72
  • google-site-verification=PPx5ppoysHq-dZsFtdlpSaFTcmQE9Puiq2yOj_ef-Z0
  • SPFv=spf1 ip4:97.79.190.131 a:dispatch-us.ppe-hosted.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
  • pt9op1914ob2hhb1qh2f70o4h0
  • MS=ms58989045
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