sysmocom.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-29 00:05:39 UTC · ↺ Refresh

MX Hostnames

  • mail.sysmocom.com

MX Priorities

  • mail.sysmocom.com: 10

A / AAAA Records

  • 195.201.58.18 ↩ admin2.sysmocom.de
  • 2a01:4f8:13b:828::2 ↩ admin2.sysmocom.de

Mail Server IPs

  • 176.9.212.161 ↩ mail.sysmocom.de
  • 2a01:4f8:13b:828::1:500 ↩ mail.sysmocom.de

SOA Record

Raw SOA dns2.sysmocom.com hostmaster.gnumonks.org 2026030902 10240 3413 3600000 300
Primary NS (mname)
dns2.sysmocom.com
Admin Email (rname)
hostmaster@gnumonks.org
Serial
2026030902
Refresh
10240s
Retry
3413s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

ns2.mythic-beasts.com
dns2.sysmocom.de
puck.nether.net
ganesha.gnumonks.org
ns1.mythic-beasts.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:ganesha.gnumonks.org a:mail.sysmocom.de a:imap.sysmocom.de a:rt.sysmocom.de a:lists.sysmocom.de
📊 DNS lookups: 6/10

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • SPFv=spf1 mx a:ganesha.gnumonks.org a:mail.sysmocom.de a:imap.sysmocom.de a:rt.sysmocom.de a:lists.sysmocom.de
  • google-site-verification=MWeTfY7frrnfLn7kkFTQfHMCRDZ6UiCRgb18rxHhOGI
  • google-site-verification=vOB5llytvTDFFSW2mqesBMhXGJhHVifZompyzYjpH2Y
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