general-overnight.cz

Valid Email Server
Domain Lookup › general-overnight.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
general-overnight.cz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 05:22:09 UTC · ↺ Refresh

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MX Hostnames

  • generalovernight-cz01i.mail.protection.outlook.com

MX Priorities

  • generalovernight-cz01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 109.71.72.51 ↩ srv-a-go.c-2119.maxcluster.net
  • 2a05:cc00::72:51:10 ↩ srv-a-go.c-2119.maxcluster.net

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA alfa.ns.active24.cz hostmaster.active24.cz 2025121801 10800 1800 1209600 3600
Primary NS (mname)
alfa.ns.active24.cz
Admin Email (rname)
hostmaster@active24.cz
Serial
2025121801
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

alfa.ns.active24.cz
beta.ns.active24.cz
gama.ns.active24.sk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-zoner-cloudmail.zoner.com ip4:217.198.123.144 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ 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

4 records
  • google-site-verification=eLkYQwnVxXM4l6xDnIoQ_9YIBUVl3FrvipRhkaMiFFo
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-zoner-cloudmail.zoner.com ip4:217.198.123.144 -all
  • MS=ms26692806
  • MS=ms46848120
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