caltec.mx

Valid Email Server
Domain Lookup › caltec.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
caltec.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 20:56:56 UTC · ↺ Refresh

MX Hostnames

  • mail.protonmail.ch
  • mail.caltec.mx
  • mailsec.protonmail.ch

MX Priorities

  • mailsec.protonmail.ch: 20
  • mail.caltec.mx: 0
  • mail.protonmail.ch: 10

A / AAAA Records

  • 162.241.60.208 ↩ 162-241-60-208.unifiedlayer.com

Mail Server IPs

  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 162.241.60.208 ↩ 162-241-60-208.unifiedlayer.com
  • 185.205.70.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch

SOA Record

Raw SOA ns82.hostgator.mx root.mx82.hostgator.mx 2026040400 86400 7200 3600000 86400
Primary NS (mname)
ns82.hostgator.mx
Admin Email (rname)
root@mx82.hostgator.mx
Serial
2026040400
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns83.hostgator.mx
ns82.hostgator.mx

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._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

8 records
  • google-site-verification=AYepltFzkcs-ocJgmAVqGa2Q56DPhQu_6yXRIzVPVCU
  • google-site-verification=FbBHHBNgjHmtjavI6UG9JJyn1ljENg5ArrROfqo5T30
  • brevo-code:116d6527d914413a9d24e81eec0594ca
  • brevo-code:95971a5bf695655098662760b6062f9b
  • MS=363C2D0417E60D00E55225AD811EB2F40074C8F3
  • protonmail-verification=71a8807bd27d077287e09b2a7459fe76f62013f1
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • SPFv=spf1 +mx +a +ip4:162.241.60.205 ~all
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