isc-net.de

Valid Email Server
Domain Lookup › isc-net.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isc-net.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 13:10:18 UTC · ↺ Refresh

MX Hostnames

  • mail.isc-net.de
  • relay.rzone.de

MX Priorities

  • relay.rzone.de: 100
  • mail.isc-net.de: 20

A / AAAA Records

  • 81.169.145.152 ↩ w98.rzone.de
  • 2a01:238:20a:202:1152:: ↩ w98.rzone.de

Mail Server IPs

  • 81.169.145.96 ↩ relay.rzone.de
  • 188.192.195.185 ↩ ipbcc0c3b9.dynamic.kabel-deutschland.de
  • 2a02:810d::95:0:0:0:15fb (no PTR)

SOA Record

Raw SOA shades12.rzone.de hostmaster.strato-rz.de 2020051589 86400 7200 604800 300
Primary NS (mname)
shades12.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051589
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks15.rzone.de
shades12.rzone.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

No TXT records found.

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