Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wasserwerk-perlenbach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:51:53 UTC · ↺ Refresh
MX Hostnames
- mail11.ruby.1cue.de
MX Priorities
- mail11.ruby.1cue.de: 10
A / AAAA Records
- 45.91.102.173 ↩ web13.hosting.1cue.de
- 2a0a:51c0::276:0:0:0:173 ↩ web13.hosting.1cue.de
Mail Server IPs
- 45.91.102.170 ↩ mail11.ruby.1cue.de
- 2a0a:51c0::276:0:0:0:170 ↩ mail11.ruby.1cue.de
SOA Record
Raw SOA
ns1.dns.1cue.de info.onecue.de 2026031800 10800 3600 604800 3600
Primary NS (mname)
ns1.dns.1cue.de
Admin Email (rname)
info@onecue.de
Serial
2026031800
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.dns.1cue.de
ns2.dns.1cue.de
ns3.dns.1cue.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.mail.1cue.cloud -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- google-site-verification=CZlyOxdv-cPMCx-WslEdKY_JwabfAn8JwAZRPFx56Js
- dee0f5b5d1244c0f601ef33c7e17d431b70c8342c93f23d8ab533392783fd8b
- MS=ms75950128
- SPFv=spf1 a mx include:spf.mail.1cue.cloud -all
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 wasserwerk-perlenbach.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits