dr-zentgraf.de

Valid Email Server
Domain Lookup › dr-zentgraf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-zentgraf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 00:56:54 UTC · ↺ Refresh

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MX Hostnames

  • mx4.agenturserver.de
  • mx2.agenturserver.de
  • mx3.agenturserver.de
  • mx1.agenturserver.de

MX Priorities

  • mx4.agenturserver.de: 50
  • mx1.agenturserver.de: 10
  • mx2.agenturserver.de: 10
  • mx3.agenturserver.de: 20

A / AAAA Records

  • 104.21.5.109 (no PTR)
  • 172.67.133.87 (no PTR)
  • 2606:4700:3037::6815:56d (no PTR)
  • 2606:4700:3032::ac43:8557 (no PTR)

Mail Server IPs

  • 185.15.192.59 ↩ mx4.agenturserver.de
  • 185.15.192.56 ↩ mx1.agenturserver.de
  • 185.15.192.57 ↩ mx2.agenturserver.de
  • 185.15.192.58 ↩ mx3.agenturserver.de

SOA Record

Raw SOA cloe.ns.cloudflare.com dns.cloudflare.com 2398532327 10000 2400 604800 1800
Primary NS (mname)
cloe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398532327
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

cloe.ns.cloudflare.com
doug.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:185.15.192.32 ip4:193.53.250.15 a mx include:_spf.google.com include:agenturserver.de include:spf.easybill-mail.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 ip4:185.15.192.32 ip4:193.53.250.15 a mx include:_spf.google.com include:agenturserver.de include:spf.easybill-mail.de ~all
  • L2eMNiTkttttxpiMFCBivFlC6ZwieNcC
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