Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
uni-frankfurt.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-22 18:03:12 UTC ยท โบ Refresh
MX Hostnames
- mx2.uni-frankfurt.de
- mx1.uni-frankfurt.de
MX Priorities
- mx1.uni-frankfurt.de: 10
- mx2.uni-frankfurt.de: 20
A / AAAA Records
- 141.2.37.198 โฉ www-proxy.server.uni-frankfurt.de
Mail Server IPs
- 141.2.36.230 โฉ mx-a10.rz.uni-frankfurt.de
SOA Record
Raw SOA
chaplin.rz.uni-frankfurt.de nameservice.uni-frankfurt.de 2026031903 10000 3600 2419200 86400
Primary NS (mname)
chaplin.rz.uni-frankfurt.de
Admin Email (rname)
nameservice@uni-frankfurt.de
Serial
2026031903
Refresh
10000s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
chaplin.rz.uni-frankfurt.de
dns-2.dfn.de
wattdenn.rz.uni-frankfurt.de
SPF Record
โ Strict (-all)
v=spf1 ip4:141.2.22.115 ip4:141.2.22.185 ip4:141.2.22.204 ip4:141.2.22.205 ip4:141.2.22.206 ip4:141.2.22.231 ip4:141.2.22.232 ip4:141.2.22.233 ip4:141.2.22.92 ip4:141.2.22.192 ip4:141.2.42.47 -all
๐ DNS lookups: 0/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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
5 records- adobe-idp-site-verification=2bfe06eace1bc6cc8672ddc8b4c18c5ea775c59772d31774d04a7d43c97efbe6
- apple-domain-verification=9O2ElvMkcA9WIJxP
- docusign=428867fb-dc41-4edf-88df-bdcf41a0dca0
- MS=75E101694B17E7B7770B961A129D1C7E9D592778
- SPFv=spf1 ip4:141.2.22.115 ip4:141.2.22.185 ip4:141.2.22.204 ip4:141.2.22.205 ip4:141.2.22.206 ip4:141.2.22.231 ip4:141.2.22.232 ip4:141.2.22.233 ip4:141.2.22.92 ip4:141.2.22.192 ip4:141.2.42.47 -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for uni-frankfurt.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits