Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
reactatx.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:08:45 UTC · ↺ Refresh
MX Hostnames
- mail.protonmail.ch
- mailsec.protonmail.ch
MX Priorities
- mail.protonmail.ch: 10
- mailsec.protonmail.ch: 20
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1691949738 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1691949738
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- protonmail-verification=bbe0b852bf1f9873a3d6a9824b22461ab80ecc61
- SPFv=spf1 include:_spf.protonmail.ch mx ~all
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