Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
octagen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 20:53:41 UTC · ↺ Refresh
MX Hostnames
- smtp-relay-in-s1.neusta.de
MX Priorities
- smtp-relay-in-s1.neusta.de: 10
A / AAAA Records
- 185.10.70.41 (no PTR)
Mail Server IPs
- 82.198.213.163 ↩ smtp-s1.neusta.de
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1731675789 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1731675789
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.ns-serve.net
ns2.ns-serve.net
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:_spf.neusta-hosting.de include:smtp.neusta-is.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- MS=ms88431747
- SPFv=spf1 a include:spf.protection.outlook.com include:_spf.neusta-hosting.de include:smtp.neusta-is.de -all
- docker-verification=56ffb057-c4fb-47e5-9b39-96a0198b1f13
- MS=ms64698705
- figma-domain-verification=6fefd2d845afa09e750ed5cd8192735e22f39c1b082fe238724b85f8c2c13dff-1731567036
- google-site-verification=UwrvEISs6jINJAVvIFCu7yd_r8N5mJLL6Eb0uKK-BPs
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 octagen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits