Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
jenadental.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:10:54 UTC · ↺ Refresh
MX Hostnames
- irongate.j-ts92.de
MX Priorities
- irongate.j-ts92.de: 10
A / AAAA Records
- 212.185.192.78 ↩ appsrv99.dental2000.net
- 2003:e0:6816::78 (no PTR)
Mail Server IPs
- 217.17.198.21 ↩ irongate.j-ts92.de
- 2001:4bd8:42:cafe:217:17:198:21 ↩ irongate.j-ts92.de
SOA Record
Raw SOA
ns01.j-ts92.de postmaster.jenadental.de 2025072611 14400 3600 1209600 38400
Primary NS (mname)
ns01.j-ts92.de
Admin Email (rname)
postmaster@jenadental.de
Serial
2025072611
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
ns01.j-ts92.de
avalon.iks-jena.de
irongate.j-ts92.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.185.192.74 ip4:217.17.198.21 ip6:2001:4bd8:42:cafe:217:17:198:21 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 ip4:212.185.192.74 ip4:217.17.198.21 ip6:2001:4bd8:42:cafe:217:17:198:21 -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 jenadental.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits