ctv-zwickau.de

Valid Email Server
Domain Lookup › ctv-zwickau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctv-zwickau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 03:07:36 UTC · ↺ Refresh

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MX Hostnames

  • ctv--zwickau-de.mx1.arsmtp.com
  • ctv--zwickau-de.mx2.arsmtp.com

MX Priorities

  • ctv--zwickau-de.mx2.arsmtp.com: 20
  • ctv--zwickau-de.mx1.arsmtp.com: 10

A / AAAA Records

  • 212.63.143.142 ↩ linux20.unixserver.org

Mail Server IPs

  • 5.152.188.55 ↩ server431.appriver.com
  • 5.152.185.146 ↩ server430.appriver.com

SOA Record

Raw SOA ns11.nameserver.de dnsmaster.ns11.nameserver.de 2026030401 14400 3600 604800 3600
Primary NS (mname)
ns11.nameserver.de
Admin Email (rname)
dnsmaster@ns11.nameserver.de
Serial
2026030401
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns12.nameserver.de
ns11.nameserver.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:Spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=71170AF28AAAECA3CEEE8A6AA9BAC6689730E16A
  • MS=ms46834242
  • SPFv=spf1 mx include:Spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
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