netcup.de

Valid Email Server
Domain Lookup › netcup.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 16:56:04 UTC · ↺ Refresh

MX Hostnames

  • smtp.netcup.net
  • backupmx-fra1.netcup.net

MX Priorities

  • backupmx-fra1.netcup.net: 20
  • smtp.netcup.net: 10

A / AAAA Records

  • 46.38.224.30 ↩ www.netcup.de
  • 2a03:4000::e01e (no PTR)

Mail Server IPs

  • 188.68.63.41 ↩ backupmx-fra1.netcup.net
  • 2a03:4001::104:0:0:0:29 (no PTR)
  • 46.38.225.170 ↩ smtp.netcup.net
  • 2a03:4000::1:0:0:0:e1aa ↩ smtp.netcup.net

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 24 28800 7200 1209600 7200
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
24
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

acns04.xaas.systems
acns03.xaas.systems
acns05.xaas.systems
acns01.xaas.systems
acns02.xaas.systems

SPF Record

✓ Strict (-all)
v=spf1 ip4:46.38.225.170 ip4:212.123.34.96/28 ip4:212.123.36.25 ip4:188.65.77.204 ip6:2a03:4000:0:1::e1aa mx ip4:212.123.41.224/28 ip4:45.132.63.68 include:_spf.hostedemail.com include:spf.cloudpowered.email -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; pct=100; rua=mailto:[email protected]; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

2 records
  • google-site-verification=XDly02N5dgwwk-oPdSjsfchNFpV-jyDfUl45Vd75NIg
  • SPFv=spf1 ip4:46.38.225.170 ip4:212.123.34.96/28 ip4:212.123.36.25 ip4:188.65.77.204 ip6:2a03:4000:0:1::e1aa mx ip4:212.123.41.224/28 ip4:45.132.63.68 include:_spf.hostedemail.com include:spf.cloudpowered.email -all
Full email verification for netcup.de

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

SPF / DKIM / DMARC Get 1,000 Free Credits