Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
franke-akademie.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:24:16 UTC · ↺ Refresh
MX Hostnames
- mail.franke-akademie.de
- s1.franke-akademie.de
- oberon.jumpit.eu
MX Priorities
- s1.franke-akademie.de: 5
- oberon.jumpit.eu: 20
- mail.franke-akademie.de: 10
A / AAAA Records
- 213.202.230.230 ↩ s1.franke-akademie.de
Mail Server IPs
- 213.202.230.230 ↩ s1.franke-akademie.de
- 213.202.230.100 ↩ oberon.jumpit.eu
SOA Record
Raw SOA
ns55.domaincontrol.com dns.jomax.net 2025111101 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025111101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns55.domaincontrol.com
ns56.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.strold.io -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; pct=50
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=l-8i-jdadzRQ2Teg0BBIMX8zG3cUDi_vADiN2Uv0Y60
- google-site-verification=8e9Agd_ObxJMtDQohNG5niQiLBnXtJp65-hmBcUUguU
- SPFv=spf1 +a +mx include:spf.strold.io -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 · Customize →
See demo & docs
Deep verification
Full email verification for franke-akademie.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits