Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uphoff-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 02:51:51 UTC · ↺ Refresh
MX Hostnames
- mail05.mail-gw.de
- mail04.mail-gw.de
MX Priorities
- mail05.mail-gw.de: 20
- mail04.mail-gw.de: 10
A / AAAA Records
- 136.243.244.42 ↩ poseidon.encircle360.com
Mail Server IPs
- 95.130.17.244 ↩ mail05.mail-gw.de
- 95.130.17.242 ↩ mail04.mail-gw.de
SOA Record
Raw SOA
ns1.domainers.de hostmaster.internetwire.de 2016071501 28800 7200 604800 86400
Primary NS (mname)
ns1.domainers.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2016071501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.domainers.de
ns4.domainers.de
ns2.domainers.de
ns1.domainers.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 a mx ~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 uphoff-online.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits