sdfoundation.org

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sdfoundation.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-19 05:20:25 UTC · ↺ Refresh

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MX Hostnames

  • mx1-us2.ppe-hosted.com
  • mx2-us2.ppe-hosted.com

MX Priorities

  • mx1-us2.ppe-hosted.com: 10
  • mx2-us2.ppe-hosted.com: 20

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com

SOA Record

Raw SOA ns91.worldnic.com namehost.worldnic.com 126080518 10800 3600 604800 3600
Primary NS (mname)
ns91.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126080518
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns92.worldnic.com
ns91.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:174.70.243.194 ip4:174.70.243.195 a:dispatch-us.ppe-hosted.com include:spf.happyfox.com include:sogosurveys.com include:mktomail.com include:outboundmail.blackbaud.net include:sendgrid.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; fo=1; ri=3600; rua=mailto:[email protected]; ruf=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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

11 records
  • apple-domain-verification=uMSuMwp0CMxoAW5g
  • openai-domain-verification=dv-YbhSt0WI2zNvB3xWTrt22JQO
  • SPFv=spf1 ip4:174.70.243.194 ip4:174.70.243.195 a:dispatch-us.ppe-hosted.com include:spf.happyfox.com include:sogosurveys.com include:mktomail.com include:outboundmail.blackbaud.net include:sendgrid.net ~all
  • google-site-verification=keJ9Yp0r2Xe7tpX9RiKtNR7kjv-OSaKf5_gXmhOF-zk
  • linkedin-site-verification=81725e85-f0e1-4e94-872e-6754f514397f
  • google-site-verification=FUflz7k3ClQPNY0SWUYOIsofrGhXQzUvLriDBuLGqyo
  • anthropic-domain-verification-hf5tdj=EnuqW4Etmf0FVtSfes07Ojsf4
  • MS=ms14050662
  • h3bGOiABjPDDpVs+SYvVa1W6JpMCd5nn/k2RQxVQHznbeF5sVJI8aOAT6NXP6AerUuGFLf1XrsjIxxUnetuWkQ==
  • ppe-27db1429380e8b1aabd7
  • google-site-verification=oFOoFnTcy8VyS_EqVvzIsqciWPPFXHEU2xlBdAR75Nc
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