promenaroku.cz

Valid Email Server
Domain Lookup › promenaroku.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
promenaroku.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 21:12:57 UTC · ↺ Refresh

MX Hostnames

  • mx10.websupport.cz
  • mx20.websupport.cz

MX Priorities

  • mx10.websupport.cz: 10
  • mx20.websupport.cz: 20

A / AAAA Records

  • 104.21.54.242 (no PTR)
  • 172.67.169.165 (no PTR)
  • 2606:4700:3032::ac43:a9a5 (no PTR)
  • 2606:4700:3037::6815:36f2 (no PTR)

Mail Server IPs

  • 45.13.137.103 ↩ m1-u5-mx.websupport.cz
  • 2a00:4b40:aaaa:2101:45:13:137:103 ↩ mx10.websupport.cz
  • 45.13.137.104 ↩ m1-u6-mx.websupport.cz
  • 2a00:4b40:aaaa:2101:45:13:137:104 ↩ mx20.websupport.cz

SOA Record

Raw SOA kay.ns.cloudflare.com dns.cloudflare.com 2399054269 10000 2400 604800 1800
Primary NS (mname)
kay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399054269
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

mark.ns.cloudflare.com
kay.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:87.236.195.135 +ip4:87.236.195.134 +include:promenaroku.cz ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1; ri=86400;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 +ip4:87.236.195.135 +ip4:87.236.195.134 +include:promenaroku.cz ~all
  • google-site-verification=3Rnlis3n2cvCRF2KotF2bQFwKMCR1slufMAh5vd1lME
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