rrg.de

Valid Email Server
Domain Lookup › rrg.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 20:30:33 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.175.196.68 (no PTR)
  • 2a00:1c98:60:1091::1:b9a:7925 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns01.agenturserver.de support.mittwald.de 1750958023 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1750958023
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns01.agenturserver.co
ns01.agenturserver.it
ns01.agenturserver.de

SPF Record

✓ Strict (-all)
v=spf1 include:imagmbh.de include:agenturserver.de a include:spf.emailsys.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 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

8 records
  • DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwkF9VeI5J8HHDGwt4OtVuXYmgLB3tJBl9SKogMCA/4kX4gw8UewTawzLEA9O3lvmyuYuuComQ62Woql7waNC/hTqU7LvFlVofO06m7RhKdiI7t4DdNguy9MQ0TfiluPa7TuDRdI2N5yXeXA/vr7NXsY82dc2ECcnJYDIGPWTp8JlFcGMleC7obzxAihky6xx8TjcS+HTt7/7R+5OtC+NTnolI7EW5g9Ddu96WGwSPDditu9UjAcT8FI3F6tDtG/HSuawdzRDERoY8beIUUM7EJfkdWbtLrFuSWdDc003HpLTxCZF4RZhT1bqdpkdH2RhMcv2P+1M6t/MeBERHSHlcQIDAQAB
  • SPFv=spf1 include:imagmbh.de include:agenturserver.de a include:spf.emailsys.net -all
  • google-site-verification=xfTWB9a7FdmAevQv9YHGqFIBZkcIwtrCWX_BacIH2nY
  • google-site-verification=5lZMQsFwWmljbtZ5Oa5eiKs38kQCkeIOlG38FVCdOfs
  • google-site-verification=p-DOUBAne2D_wwm5ZbvW0BquTmN1yU8HQ_225t1PdgU
  • DMARCv=DMARC1; p=none;
  • return-cname.emailsys.net
  • MS=4DDE1C2EE07993092F54D5B64FD3598A6E6FE95E
Full email verification for rrg.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits