Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cw-net.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 19:16:46 UTC · ↺ Refresh
MX Hostnames
- filter2.cw-net.de
- filter1.cw-net.de
MX Priorities
- filter2.cw-net.de: 10
- filter1.cw-net.de: 10
A / AAAA Records
- 89.106.216.7 ↩ docker01-cw.cw-net.de
- 2a01:4d80:216:a::7 (no PTR)
Mail Server IPs
- 89.106.216.45 ↩ filter2.cw-net.de
- 2a01:4d80:216:a::45 ↩ filter2.cw-net.de
- 89.106.216.44 ↩ filter1.cw-net.de
- 2a01:4d80:216:a::44 ↩ filter1.cw-net.de
SOA Record
Raw SOA
ns1.nodesecure.com info.sparkassen-it.de 2026033536 39940 13300 604800 86400
Primary NS (mname)
ns1.nodesecure.com
Admin Email (rname)
info@sparkassen-it.de
Serial
2026033536
Refresh
39940s
Retry
13300s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.nodesecure.de
ns1.nodesecure.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:docker01-cw.cw-net.de a:docker01-na.cw-net.de a:mail1.cw-net.de a:relay.cw-net.de a:relay2.cw-net.de a:gw.cw-net.de ip6:2a01:4d80:216:a::46 ip6:2a01:4d80:216:b::242
📊 DNS lookups: 9/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=4yxm-mx6g9A0L73092vPelktCNNgOTm-yXd7GXz74vM
- SPFv=spf1 a mx a:docker01-cw.cw-net.de a:docker01-na.cw-net.de a:mail1.cw-net.de a:relay.cw-net.de a:relay2.cw-net.de a:gw.cw-net.de ip6:2a01:4d80:216:a::46 ip6:2a01:4d80:216:b::242
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cw-net.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits