trsp.de

Valid Email Server
Domain Lookup › trsp.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 10:22:20 UTC · ↺ Refresh

MX Hostnames

  • line1a.virus-defence.de
  • line1b.virus-defence.de

MX Priorities

  • line1a.virus-defence.de: 10
  • line1b.virus-defence.de: 30

A / AAAA Records

  • 92.205.164.163 ↩ 163.164.205.92.host.secureserver.net

Mail Server IPs

  • 80.82.218.16 ↩ line1a.virus-defence.de
  • 87.190.16.131 ↩ line1b.virus-defence.de

SOA Record

Raw SOA a.dns-i.net hostmaster.insyst.de 2023111067 28800 7200 1209600 1800
Primary NS (mname)
a.dns-i.net
Admin Email (rname)
hostmaster@insyst.de
Serial
2023111067
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

a.dns-i.net
b.dns-i.net
c.dns-i.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -all
  • 952b5717892767d40bb6b2cba44203
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