esters.de

Valid Email Server
Domain Lookup › esters.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 08:03:33 UTC · ↺ Refresh

MX Hostnames

  • firewall.esters.de

MX Priorities

  • firewall.esters.de: 10

A / AAAA Records

  • 217.160.0.157 ↩ 217-160-0-157.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 80.153.223.150 ↩ firewall.esters.de

SOA Record

Raw SOA ns1076.ui-dns.org hostmaster.1und1.com 2017060132 28800 7200 604800 600
Primary NS (mname)
ns1076.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060132
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1086.ui-dns.biz
ns1076.ui-dns.org
ns1118.ui-dns.de
ns1095.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.esters.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 mx a:mail.esters.de -all
Full email verification for esters.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits