gerstaecker.de

Valid Email Server
Domain Lookup › gerstaecker.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
gerstaecker.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:47:36 UTC · ↺ Refresh

MX Hostnames

  • gerstaecker-de.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 138.199.245.110
  • 138.199.245.22

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

kiki.bunny.net
coco.bunny.net

SPF Record

✓ Strict (-all)
v=spf1 a:mailout-f1.arcor-ip.de a:filter001.docuguide.com ip4:213.95.132.52/32 ip4:145.253.175.133/32 ip4:145.253.175.138/32 ip4:213.23.110.229/32 ip4:213.23.110.245/32 ip4:90.102.135.12/32 ip4:145.14.231.6/32 ip4:161.38.204.224/32 ip4:141.193.32.10/32 ip4:198.244.61.74/32 include:74.delivery.geant-beaux-arts.fr include:mailgun.org include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • amazonses:tcDUs0nBfxv+VZCdQxk72sXV6oAnFXgP1oLL/ylSu6c=
  • MS=ms88347881
  • SPFv=spf1 a:mailout-f1.arcor-ip.de a:filter001.docuguide.com ip4:213.95.132.52/32 ip4:145.253.175.133/32 ip4:145.253.175.138/32 ip4:213.23.110.229/32 ip4:213.23.110.245/32 ip4:90.102.135.12/32 ip4:145.14.231.6/32 ip4:161.38.204.224/32 ip4:141.193.32.10/32 ip4:198.244.61.74/32 include:74.delivery.geant-beaux-arts.fr include:mailgun.org include:spf.protection.outlook.com -all
  • facebook-domain-verification=ogdjm2k8sue4tzh8ll2xc6ikl62fmm
  • google-site-verification=wHk-GYg2RUNKzlYj2GKubQmDV11jRGZyI1miE7dHuvo
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