neptuneweb.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 22:55:00 UTC · ↺ Refresh

MX Hostnames

  • neptuneweb-com.mail.protection.outlook.com

MX Priorities

  • neptuneweb-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 50.56.161.161 ↩ rackspace12.neptuneweb.com

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com

SOA Record

Raw SOA ns.rackspace.com hostmaster.rackspace.com 1772576119 10800 3600 604800 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1772576119
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns.rackspace.com
ns2.rackspace.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:195.6.66.153 ip4:50.56.161.161 ip4:198.71.53.29 ip4:72.32.98.195 ip4:74.208.136.57 ip6:2607:f1c0:1800:fb::1 include:sendgrid.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rf=afrf; pct=100; ri=86400; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

3 records
  • d365mktkey=SZXvqEjJtxrxEPdp37gW4tTSnQ0ty6R01sEU07MlBOsx
  • google-site-verification=T_kc49LGIvRHI4CP9ZQ8Z9J1Z9Ci75XxFtFfNHxqbQ4
  • SPFv=spf1 ip4:195.6.66.153 ip4:50.56.161.161 ip4:198.71.53.29 ip4:72.32.98.195 ip4:74.208.136.57 ip6:2607:f1c0:1800:fb::1 include:sendgrid.net include:spf.protection.outlook.com ~all
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