priseko.de

Valid Email Server
Domain Lookup › priseko.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
priseko.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 15:35:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mailsec.protonmail.ch: 20
  • mail.protonmail.ch: 10

A / AAAA Records

  • 185.199.109.153 ↩ cdn-185-199-109-153.github.com
  • 185.199.108.153 ↩ cdn-185-199-108-153.github.com
  • 185.199.111.153 ↩ cdn-185-199-111-153.github.com
  • 185.199.110.153 ↩ cdn-185-199-110-153.github.com

Mail Server IPs

  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 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 dns1.ispone-business.de hostmaster.ispone-business.de 2026021908 10800 1800 604800 1800
Primary NS (mname)
dns1.ispone-business.de
Admin Email (rname)
hostmaster@ispone-business.de
Serial
2026021908
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dns1.ispone-business.de
dns2.ispone-business.de

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=b2f998b2f5b90023aff975d7b782101f0b4920a7
  • SPFv=spf1 include:_spf.protonmail.ch ~all
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