Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mpf-ag.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:31:14 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 217.160.0.225 ↩ 217-160-0-225.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::242 ↩ 2001-08d8-100f-f000-0000-0000-0000-0242.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns1088.ui-dns.org hostmaster.1und1.de 2016110453 28800 7200 604800 300
Primary NS (mname)
ns1088.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110453
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1088.ui-dns.biz
ns1088.ui-dns.com
ns1088.ui-dns.org
ns1088.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:195.202.41.243 ip4:92.50.114.42 ip4:78.94.102.202 ip4:192.168.10.57 include:_spf.kundenserver.de include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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
6 records- SPFv=spf1 mx ip4:195.202.41.243 ip4:92.50.114.42 ip4:78.94.102.202 ip4:192.168.10.57 include:_spf.kundenserver.de include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
- swisssign-check=TJcvPVsJDlEgSbfteVnruKhZAxXX0uaWvA58j1WV5m
- MS=ms20799620
- swisssign-check=x1KSBCPsjoBT0QvoD5oGhyYggDapEOsXeL4VXAQIgo
- swisssign-check=2QqLtQ1-rujBMqFxtvmZRDA1LwY
- cisco-ci-domain-verification=2b0d77ca1a08fb29859c79f9cb0800e088e31f01368cf9b9f6020c201b566115
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
Verify actual deliverability to mpf-ag.de
SMTP handshake, catch-all detection, custom validation rules, and Yahoo/Outlook/Gmail verification — know if the mailbox truly exists before you send.
Get 1,000 Free Credits