strength.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
strength.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 04:15:21 UTC · ↺ Refresh

MX Hostnames

  • strength-org.mail.protection.outlook.com

MX Priorities

  • strength-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 204.74.99.100 ↩ crs.ultradns.net

Mail Server IPs

  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA pdns79.ultradns.com itteam.strength.org 2013102373 10800 3600 2592000 86400
Primary NS (mname)
pdns79.ultradns.com
Admin Email (rname)
itteam@strength.org
Serial
2013102373
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
86400s

Nameservers (NS)

pdns79.ultradns.net
pdns79.ultradns.org
pdns79.ultradns.biz
pdns79.ultradns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf2.strength.org include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spf.salesforce.com include:servers.mcsv.net include:sendgrid.net include:_spf.qp-mail.com include:spf.happyfox.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;sp=none;adkim=r;aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 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

10 records
  • Z0FB4o2tdpUAigtjpaAxYFMs7Tx70UeZ95KtolWcfVPOiQWl7SNrrm8XdEn83e2ckUbP6rn3Lh/+Ukm71gNT/w==
  • atlassian-domain-verification=vnnYYegsqvxHApkt8/RkfhaWtxX6mMCdOAGx8baO0lorImXWWr/BQI7v0zyVaGA5
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcXhzwJj8sq1GfUeLJV7lps9HTzy+oG0zoiXUVa/5EKF/juq56LPB37EqxvQABdxKpQVzN4YA9ICXizPH1BP6jYMQkW9YncRruprAQK9udjbBxeCrMoghoLhD249wYJ+RjXchIfW+SrN+Zr3/V1qM0oFDSnAlnIk9dGMGQ7W5J9QIDAQAB
  • SPFv=spf1 include:spf2.strength.org include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spf.salesforce.com include:servers.mcsv.net include:sendgrid.net include:_spf.qp-mail.com include:spf.happyfox.com ~all
  • MS=ms50638031
  • VUFWQ73GLVE0UNAASCR4Z89HTA4QT05CAATTR0CTY
  • docusign=03d039d0-3286-48e5-a5f5-5a09d919be48
  • docusign=9c6064c9-3101-4687-8f5c-d6cd1d450ca3
  • google-site-verification=51qKgsPh5a0-MCu0L4VWpSkoPqOcuKEnJjfCtOiB2Xs
  • reachdesk-verification=7WKE8QSVNbPS4agEmYKiGDRdWNypgvA6tfV40ECdnvU9ZmrvcnKR3Gyg9JeA3IhU
Full email verification for strength.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits