Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zm-i.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 18:17:22 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 85.13.139.212 ↩ dd19532.kasserver.com
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024080839 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024080839
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.org
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=zm-i.de.spf.hornetdmarc.com
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
8 records- _globalsign-domain-verification=a_NrI9lX8pXHr8zSTTIsvdnpRmxOE4T9tHOC4KxgqE
- 6b529d404efa761a5955cfb0cbaa5dc010f7acf938a936ea12148234195409b
- SPFv=spf1 redirect=zm-i.de.spf.hornetdmarc.com
- rhino_accounts=eb7b9d8e395d0c88ee174316210dcdef
- apple-domain-verification=nps8nZ9RAc2dknCi
- MS=ms32075969
- MS=152AFFA7BB350F3A477C04FED4533C5D1064F794
- 6fAc4Qcn6+39j8KxK8W11zd6XdjmL2EPVkrUbOEEqQ27Wd5btFiefBnpzljDr2KO9RQpiIuKfDogLMH4/PQ9kw==
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 zm-i.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits