sebastian-rader.de

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sebastian-rader.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:16:32 UTC · ↺ Refresh

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MX Hostnames

  • mxe998.netcup.net
  • mail.sebastian-rader.de

MX Priorities

  • mxe998.netcup.net: 50
  • mail.sebastian-rader.de: 10

A / AAAA Records

  • 202.61.233.150 ↩ ae996.netcup.net
  • 2a03:4000:6d:c3b::24:1330 (no PTR)

Mail Server IPs

  • 202.61.233.152 ↩ mxe998.netcup.net
  • 2a03:4000:0:5b1:a8e0:70ff:fecd:196 ↩ mxe998.netcup.net

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2026082535 600 600 1209600 600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2026082535
Refresh
600s
Retry
600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 mx a include:_spf.webhosting.systems ~all
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