nationalwholesale.biz

Valid Email Server
Domain Lookup › nationalwholesale.biz

Domain Overview

DNS: ✓ 13d ago Checker: ✓ 13d ago
nationalwholesale.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 15:06:22 UTC · ↺ Refresh

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MX Hostnames

  • nationalwholesale-biz.mail.protection.outlook.com

MX Priorities

  • nationalwholesale-biz.mail.protection.outlook.com: 0

A / AAAA Records

  • 72.249.131.156 ↩ mail.winstonwatercooler.com

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns05.domaincontrol.com dns.jomax.net 2022090800 28800 7200 604800 3600
Primary NS (mname)
ns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2022090800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns06.domaincontrol.com
ns05.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:20.47.149.138 ip4:35.190.247.0/24 ip4:35.191.0.0/16 ip4:37.188.97.188 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:51.4.72.0/24 ip4:51.4.80.0/27 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:52.38.191.241 ip4:52.100.0.0/14 ip4:64.106.173.0/25 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.3.185.0/24 ip4:72.14.192.0/18 ip4:72.32.154.0/24 ip4:72.32.217.0/24 ip4:72.32.243.0/24 ip4:72.249.131.154 ip4:74.125.0.0/16 ip4:94.236.119.0/26 include:spf1.nationalwholesale.biz -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=quarantine; 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: quarantine

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • MS=ms76872272
  • SPFv=spf1 ip4:20.47.149.138 ip4:35.190.247.0/24 ip4:35.191.0.0/16 ip4:37.188.97.188 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:51.4.72.0/24 ip4:51.4.80.0/27 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:52.38.191.241 ip4:52.100.0.0/14 ip4:64.106.173.0/25 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.3.185.0/24 ip4:72.14.192.0/18 ip4:72.32.154.0/24 ip4:72.32.217.0/24 ip4:72.32.243.0/24 ip4:72.249.131.154 ip4:74.125.0.0/16 ip4:94.236.119.0/26 include:spf1.nationalwholesale.biz -all
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