red-therm.de

Valid Email Server
Domain Lookup › red-therm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
red-therm.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 23:27:00 UTC · ↺ Refresh

MX Hostnames

  • mx1.red-therm.de
  • smtp.google.com

MX Priorities

  • smtp.google.com: 10
  • mx1.red-therm.de: 20

A / AAAA Records

  • 89.31.143.90 (no PTR)

Mail Server IPs

  • 64.233.180.26 ↩ on-in-f26.1e100.net
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
  • 89.31.143.90 (no PTR)

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024122054 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024122054
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.de
ns.udag.org

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

3 records
  • apple-domain=oLSd2xL5ULCKUJyL
  • google-site-verification=zLuZm5hLUJ_ADck2AisGKjZBrUAYtWgyVLBOvdQWYDY
  • -v=spf1 include:_smtp.udag.de smtp.google.com ~all
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