expertize.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
expertize.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 16:56:41 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 172.253.63.26 ↩ bi-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net

SOA Record

Raw SOA shades07.rzone.de hostmaster.strato-rz.de 2024093062 86400 7200 604800 300
Primary NS (mname)
shades07.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024093062
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades07.rzone.de
docks05.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.4me.com include:_spf.mailersend.net -all
📊 DNS lookups: 3/10
✓ 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

1 record
  • SPFv=spf1 include:_spf.google.com include:_spf.4me.com include:_spf.mailersend.net -all
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