isys.de

Valid Email Server
Domain Lookup › isys.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isys.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 01:52:30 UTC · ↺ Refresh

MX Hostnames

  • mail.isys-software.de
  • mx01.isys-software.de

MX Priorities

  • mx01.isys-software.de: 20
  • mail.isys-software.de: 10

A / AAAA Records

  • 82.135.103.59 ↩ host-82-135-103-59.customer.m-online.net

Mail Server IPs

  • 49.13.162.154 ↩ mx01.isys-software.de
  • 82.135.103.53 ↩ mail.isys-software.de

SOA Record

Raw SOA ns1.hosting.de hostmaster.isys.de 2026032400 86400 7200 3600000 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@isys.de
Serial
2026032400
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s

Nameservers (NS)

ns1.hosting.de
ns3.hosting.de
ns2.hosting.de

SPF Record

✓ Strict (-all)
v=spf1 include:isys-software.de include:spf.nl2go.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • MS=ms62851385
  • SPFv=spf1 include:isys-software.de include:spf.nl2go.com -all
  • google-site-verification=Z6F7TdBAA2vemmlugtd6UK4YtrkNy1wULoWSISN4LpI
  • atlassian-domain-verification=lOAvRa/hdcBvb4h3WE799Da8hbKmvANX389USw6Qy2vODpn315OIzhMrn0fsv1fJ
Full email verification for isys.de

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