rsdnt.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 14:39:27 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 185.230.63.107
  • 185.230.63.171
  • 185.230.63.186

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA ns1121.ui-dns.de hostmaster.1und1.com 2017060116 28800 7200 604800 600
Primary NS (mname)
ns1121.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060116
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1121.ui-dns.de
ns1113.ui-dns.biz
ns1125.ui-dns.com
ns1028.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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
  • SPFv=spf1 include:_spf.google.com ~all
  • MS=BD00BF3EBA2660F8EA52374D853830D7E14DD67E
  • google-site-verification=O1zxxcukH1M9djGBz7rFbqJntzesQy4C0zqyh3k3R-k
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