stb-stuttgart.de

Valid Email Server
Domain Lookup › stb-stuttgart.de

Domain Overview

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

Checked via [email protected] · 2026-03-19 21:09:55 UTC · ↺ Refresh

MX Hostnames

  • securemx.help4yourz1.de

MX Priorities

  • securemx.help4yourz1.de: 10

A / AAAA Records

  • 217.160.0.86 ↩ 217-160-0-86.elastic-ssl.ui-r.com

Mail Server IPs

  • 185.38.52.136 (no PTR)

SOA Record

Raw SOA ns1094.ui-dns.com hostmaster.1und1.de 2017033162 28800 7200 604800 300
Primary NS (mname)
ns1094.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017033162
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1094.ui-dns.de
ns1094.ui-dns.org
ns1094.ui-dns.biz
ns1094.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.help4yourz1.de include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; adkim=s; aspf=s; rf=afrf; sp=quarantine
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

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
  • MS=ms10115021
  • SPFv=spf1 include:_spf.help4yourz1.de include:spf.protection.outlook.com -all
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