glk-stb.de

Valid Email Server
Domain Lookup › glk-stb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
glk-stb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 10:58:47 UTC · ↺ Refresh

MX Hostnames

  • mail.email-security-online.de

MX Priorities

  • mail.email-security-online.de: 10

A / AAAA Records

  • 81.169.145.74 ↩ w0a.rzone.de
  • 2a01:238:20a:202:1074:: ↩ w0a.rzone.de

Mail Server IPs

  • 195.4.209.147 ↩ mail.email-security-online.de

SOA Record

Raw SOA docks09.rzone.de hostmaster.strato-rz.de 2020050845 86400 7200 604800 300
Primary NS (mname)
docks09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050845
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks09.rzone.de
shades10.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.email-security-online.de ip4:195.4.209.147 ip4:89.63.19.134 ip4:217.92.47.220 include:spf.protection.outlook.com include:_spf.strato.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

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

3 records
  • m01Hrp9oW/8+sZj5mxkxrgM8g+BTeflXEgIjuhwTT7M=
  • MS=ms15810930
  • SPFv=spf1 mx a:mail.email-security-online.de ip4:195.4.209.147 ip4:89.63.19.134 ip4:217.92.47.220 include:spf.protection.outlook.com include:_spf.strato.com -all
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