fwisd.org

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
fwisd.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 09:14:54 UTC · ↺ Refresh

MX Hostnames

  • usb-smtp-inbound-2.mimecast.com
  • usb-smtp-inbound-1.mimecast.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.17.71.73

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns34.worldnic.com
ns33.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:143.55.232.0/22 ip4:162.247.216.0/23 ip4:54.204.15.155 ip4:20.12.60.77 ip4:72.167.168.0/24 include:usb._netblocks.mimecast.com include:_spf.google.com include:_spf.bbnotify.net include:spf.protection.outlook.com include:spf.constantcontact.com include:spf.mandrillapp.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

7 records
  • openai-domain-verification=dv-9yFlQa6hxRDb5OiTiJr4Gf52
  • 0ed1fe018a95eae32995d9470685287316568d8ad4
  • SPFv=spf1 ip4:143.55.232.0/22 ip4:162.247.216.0/23 ip4:54.204.15.155 ip4:20.12.60.77 ip4:72.167.168.0/24 include:usb._netblocks.mimecast.com include:_spf.google.com include:_spf.bbnotify.net include:spf.protection.outlook.com include:spf.constantcontact.com include:spf.mandrillapp.com -all
  • apple-domain-verification=ZoKDQr77YenDdskC
  • gp5h9wrks80jtjb545qn272yfkhntkgr
  • WYQjDZSc98ebavlUqbReEc5h0p9HDnAf5bpCkqzFjBCN+JikUmiKA1qhgr121flFy8NXUOfm7vF8QwY2mycvPg==
  • cisco-ci-domain-verification=566096265fa89ef8d523c9df97584a7f994487310f24a566139641d9cbc7a722
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