sterlingmail.com

Valid Email Server
Domain Lookup › sterlingmail.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sterlingmail.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:19:54 UTC · ↺ Refresh

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MX Hostnames

  • sterlingmail-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 209.17.116.163 (no PTR)

Mail Server IPs

  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 125121812 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
125121812
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net ip4:50.245.39.165 ip4:66.175.114.228 ip4:206.208.247.36 a:sterlingmail.com include:50571081.spf10.hubspotemail.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • apple-domain-verification=zBoFWWaynmPovtpr
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net ip4:50.245.39.165 ip4:66.175.114.228 ip4:206.208.247.36 a:sterlingmail.com include:50571081.spf10.hubspotemail.net ~all
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