ruerte.de

Valid Email Server
Domain Lookup › ruerte.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 00:02:56 UTC · ↺ Refresh

MX Hostnames

  • mailsec.protonmail.ch
  • mail.protonmail.ch

MX Priorities

  • mail.protonmail.ch: 10
  • mailsec.protonmail.ch: 20

A / AAAA Records

  • 104.21.41.73 (no PTR)
  • 172.67.162.11 (no PTR)
  • 2606:4700:3035::ac43:a20b (no PTR)
  • 2606:4700:3033::6815:2949 (no PTR)

Mail Server IPs

  • 185.70.42.128 ↩ mail.protonmail.ch
  • 185.205.70.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch

SOA Record

Raw SOA dan.ns.cloudflare.com dns.cloudflare.com 2400319176 10000 2400 604800 1800
Primary NS (mname)
dan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400319176
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nina.ns.cloudflare.com
dan.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.protonmail.ch -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

3 records
  • protonmail-verification=29859517b9bcc5b3ac1a2ff02b0b5b30d2f1d40d
  • SPFv=spf1 include:_spf.protonmail.ch -all
  • google-site-verification=lxd8A0Z63k2bbH39Mg3OMK5URGVsWJ38wDhJaYuQr24
Full email verification for ruerte.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits