Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
comingolstadt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:34:26 UTC · ↺ Refresh
MX Hostnames
- mail18.com-in.net
MX Priorities
- mail18.com-in.net: 10
A / AAAA Records
- 178.239.79.17 ↩ plesk.com-in.net
- 2a02:2760:79::178:239:79:17 ↩ plesk.com-in.net
Mail Server IPs
- 178.239.79.14 ↩ mail18.com-in.net
- 2a02:2760:79::178:239:79:14 ↩ mail18.com-in.net
SOA Record
Raw SOA
ns4.com-in.net hostmaster.com-in.net 2026022201 10800 3600 1209600 86400
Primary NS (mname)
ns4.com-in.net
Admin Email (rname)
hostmaster@com-in.net
Serial
2026022201
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.com-in.net
ns4.com-in.net
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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- SPFv=spf1 -all
- atlassian-domain-verification=NO9CsL7rEEhuzdUMzTkfWFbKeyHkxQXDvpeKRl7VXcD9SBeWG5DB4weSteI21jYu
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 comingolstadt.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits