si-studio.de

Valid Email Server
Domain Lookup › si-studio.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
si-studio.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 13:45:58 UTC · ↺ Refresh

MX Hostnames

  • w018ab65.kasserver.com

MX Priorities

  • w018ab65.kasserver.com: 10

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145 (no PTR)
  • 198.185.159.144 (no PTR)

Mail Server IPs

  • 85.13.135.150 ↩ dd13028.kasserver.com

SOA Record

Raw SOA dns1.p03.nsone.net hostmaster.nsone.net 1587394908 43200 7200 1209600 3600
Primary NS (mname)
dns1.p03.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1587394908
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns3.p03.nsone.net
dns4.p03.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
dns2.p03.nsone.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 mx a ?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
Verify actual deliverability to si-studio.de

SMTP handshake, catch-all detection, custom validation rules, and Yahoo/Outlook/Gmail verification — know if the mailbox truly exists before you send.

Get 1,000 Free Credits