supplycore.com

Valid Email Server
Domain Lookup › supplycore.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
supplycore.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 02:02:17 UTC · ↺ Refresh

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MX Hostnames

  • supplycore-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 151.101.194.159 (no PTR)

Mail Server IPs

  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns-318.awsdns-39.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-318.awsdns-39.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-318.awsdns-39.com
ns-935.awsdns-52.net
ns-1223.awsdns-24.org
ns-1923.awsdns-48.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:12.175.2.32 ip4:107.0.185.73 include:_spf.salesforce.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:23541000.spf10.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;pct=100;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • SPFv=spf1 ip4:12.175.2.32 ip4:107.0.185.73 include:_spf.salesforce.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:23541000.spf10.hubspotemail.net include:spf.protection.outlook.com -all
  • 2sj06n1er6nokk49tpmf3nhq9e
  • MS=ms14175867
  • apple-domain-verification=RH0R1iviLMJPdKtQ
  • atlassian-domain-verification=nW5DPOdp7WdvHCSb1RQLydmSulb1iSVGN4ZWGZQtaVtQj3YWUdIcMR/6dvbAm5nn
  • duo_sso_verification=lPgb7Eb8FMAKr680kjdH6kQF9QY7GzEfDvxOEyThDsjwpDoSHzDkMYRt1DEjxmZN
  • eO/u2UcEIF1yxcHsKJeAleje3ELlEmLth8e/xptuBA8rieooN2Qc6phnvLMlS+4gewb9YIa/G/FJbhHysDAgiQ==
  • google-site-verification=KaUpA1gvtSHyCNMSFZhcVeWSRzPQfHfLSSZ2YnlU8x4
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