firstsightvision.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
firstsightvision.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 20:22:31 UTC · ↺ Refresh

MX Hostnames

  • firstsightvision-net.mail.protection.outlook.com

MX Priorities

  • firstsightvision-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 99.83.188.150 ↩ a4972715dfa2f21c3.awsglobalaccelerator.com
  • 75.2.103.146 ↩ a4972715dfa2f21c3.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns03.gcd-dns.com dns.jomax.net 2025090516 28800 7200 604800 600
Primary NS (mname)
ns03.gcd-dns.com
Admin Email (rname)
dns@jomax.net
Serial
2025090516
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns04.gcd-dns.com
ns03.gcd-dns.com

SPF Record

✓ Strict (-all)
v=spf1 include:_u.firstsightvision.net._spf.smart.ondmarc.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

6 records
  • MS=ms87883616
  • SPFv=spf1 include:_u.firstsightvision.net._spf.smart.ondmarc.com -all
  • ( MS=ms37267722 )
  • B2U-CHU-+UR
  • ca3-48b0401cf2fc4e8392cc30e07f1de9c8
  • cisco-ci-domain-verification=379cfb6667f2ae143909f155d6e8d9eb1a36f412dc346fe62b1597d4c703a1c
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