gestell.co

Valid Email Server
Domain Lookup › gestell.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gestell.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 01:21:50 UTC · ↺ Refresh

MX Hostnames

  • mailsec.protonmail.ch
  • mail.protonmail.ch

MX Priorities

  • mail.protonmail.ch: 1
  • mailsec.protonmail.ch: 5

A / AAAA Records

  • 76.76.21.21 (no PTR)

Mail Server IPs

  • 185.205.70.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch

SOA Record

Raw SOA ns-1598.awsdns-07.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1598.awsdns-07.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-921.awsdns-51.net
ns-1207.awsdns-22.org
ns-1598.awsdns-07.co.uk
ns-57.awsdns-07.com

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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=204dafcd6b751fce06f98bd29fe1b8993fa0f76e
  • SPFv=spf1 include:_spf.protonmail.ch ~all
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