protontechlab.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
protontechlab.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 13:42:27 UTC · ↺ Refresh

MX Hostnames

  • ALT2.ASPMX.L.GOOGLE.com
  • ALT3.ASPMX.L.GOOGLE.com
  • ALT4.ASPMX.L.GOOGLE.com
  • ALT1.ASPMX.L.GOOGLE.com
  • ASPMX.L.GOOGLE.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 198.187.31.55

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA rs8a.registrar-servers.com cpanel.tech.namecheap.com 2026022400 86400 7200 3600000 86400
Primary NS (mname)
rs8a.registrar-servers.com
Admin Email (rname)
cpanel@tech.namecheap.com
Serial
2026022400
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

rs8a.registrar-servers.com
rs8b.registrar-servers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:199.188.205.87 ip4:10.10.10.12 include:spf.web-hosting.com +a +mx +ip4:199.188.206.65 include:spf.hosting.registrar-servers.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 ip4:199.188.205.87 ip4:10.10.10.12 include:spf.web-hosting.com +a +mx +ip4:199.188.206.65 include:spf.hosting.registrar-servers.com ~all
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