sys-network.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
sys-network.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-27 18:21:33 UTC ยท โ†บ Refresh

MX Hostnames

  • xmail.cluster-team.com

MX Priorities

  • xmail.cluster-team.com: 10

A / AAAA Records

  • 185.157.21.91 โ†ฉ web-04.vm.cluster-team.com

Mail Server IPs

  • 185.157.21.124 โ†ฉ xmail.cluster-team.com

SOA Record

Raw SOA ns0.cluster-team.net domreg.cluster-team.com 2024061104 21600 1800 2419200 172800
Primary NS (mname)
ns0.cluster-team.net
Admin Email (rname)
domreg@cluster-team.com
Serial
2024061104
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
172800s

Nameservers (NS)

ns3.cluster-team.net
ns0.cluster-team.net
ns2.cluster-team.net
ns1.cluster-team.net

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.cluster-team.net -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

1 record
  • SPFv=spf1 include:spf.cluster-team.net -all
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