Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tsahc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 00:02:04 UTC · ↺ Refresh
MX Hostnames
- tsahc-org.mail.protection.outlook.com
MX Priorities
- tsahc-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.7.192 (no PTR)
- 172.67.69.142 (no PTR)
- 104.26.6.192
- 2606:4700:20::681a:6c0
- 2606:4700:20::681a:7c0
- 2606:4700:20::ac43:458e
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
raphaela.ns.cloudflare.com dns.cloudflare.com 2398691391 10000 2400 604800 1800
Primary NS (mname)
raphaela.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398691391
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
raphaela.ns.cloudflare.com
rodrigo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:69.84.129.224/27 ip4:208.70.208.0/22 ip4:108.84.15.105 ip4:216.70.220.46 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
3 records- ca3-1fb4c19dd14341ba94f8666158fc2e26
- google-site-verification=peO0nhph3fL2sEfJfRy00GlHMPAwG6Yuuh8LRR2U6I8
- SPFv=spf1 a ip4:69.84.129.224/27 ip4:208.70.208.0/22 ip4:108.84.15.105 ip4:216.70.220.46 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for tsahc.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits