Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ccn-richter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 17:03:47 UTC · ↺ Refresh
MX Hostnames
- mxlb.ispgateway.de
MX Priorities
- mxlb.ispgateway.de: 100
A / AAAA Records
- 92.204.55.240 ↩ sh11125.ispgateway.de
- 2a00:1158:5:4f0:: ↩ sh11125.ispgateway.de
Mail Server IPs
- 80.67.18.126 ↩ mxlb.ispgateway.de
SOA Record
Raw SOA
ns.namespace4you.de hostmaster.ccn-richter.de 1762341473 16384 2048 1048576 2560
Primary NS (mname)
ns.namespace4you.de
Admin Email (rname)
hostmaster@ccn-richter.de
Serial
1762341473
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.namespace4you.de
ns.namespace4you.de
SPF Record
✓ Strict (-all)
v=spf1 mx a include:ispgateway.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=NichkoCWtawCixcXJli1GJTAnRwkpG-sT-kAHvmvjyk
- MS=7766783F218A6DAB3E66744ED926E66867C5A717
- SPFv=spf1 mx a include:ispgateway.de -all
- DKIMv=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiKYSlG+zjHkzhKM1v4dDu6g4Uk1mNZoIiH0nFxNrg98KSZ2bYiUYWmEEAQmMJ1CHL2amZif9puhJQ9TZ9+5Ux2FyAuefEJCgdv5t8kqDe7vkdIoq2/j1pics8by8GPKfFe7gPV6AYE1Ui7tmhep6XsrKjGn6ZeIweL/aTZ6IomwIDAQAB
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 ccn-richter.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits