Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ninfly.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 07:23:34 UTC · ↺ Refresh
MX Hostnames
- mxpool.de2.hostedoffice.ag
MX Priorities
- mxpool.de2.hostedoffice.ag: 10
A / AAAA Records
- 85.13.137.115 ↩ dd22700.kasserver.com
Mail Server IPs
- 81.20.94.242 ↩ mxpool.hostedoffice.ag
SOA Record
Raw SOA
docks13.rzone.de hostmaster.strato-rz.de 2020051933 86400 7200 604800 300
Primary NS (mname)
docks13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051933
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks13.rzone.de
shades19.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.createsend.com include:hostedoffice.ag include:spf.coremanager.info ip4:87.140.46.211 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms13579950
- SPFv=spf1 include:_spf.createsend.com include:hostedoffice.ag include:spf.coremanager.info ip4:87.140.46.211 ~all
- brevo-code:b955b1bff9bcaf9a6a7d436c6151fb8e
- google-site-verification=232Am6I4_EK9Lm1_XAF-igadi8HVuLEpYMgPQQmpbLE
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 ninfly.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits