sp.design

Valid Email Server
Domain Lookup › sp.design
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sp.design
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-11 13:35:10 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx01.indasys.cloud

MX Priorities

  • mx01.indasys.cloud: 10

A / AAAA Records

  • 216.150.1.1 (no PTR)

Mail Server IPs

  • 213.217.30.153 ↩ mx01.indasys.cloud

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024093569 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024093569
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.org
ns.udag.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • atlassian-domain-verification=V4U8rLS96P/FPOsYrryG3bI2W4INbi9tYg5ceAImfvMdFOazTbzIK0Oc8IAspagW
  • SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com -all
  • jamf-site-verification=-0Pd9DTwIx-rW04h7b46lg
  • openai-domain-verification=dv-ON7WI60qvOZGajGD5q486QQS
  • slack-domain-verification=mGz2Nhq2eHSPzhuT0fLdR2vpsbHX2Sls264F54Tg
  • anthropic-domain-verification-amq3cc=TeYAla2pDF9wgVFy0fTubJLVp
  • google-site-verification=bPO-96b6-Lb0RfDRfSJpvd83C11c_Y63RvKSgRa_CV4
  • google-site-verification=0Ps9MXKAOsAVVAEcs7KnV9xPM2LH1kCFEP13lP56kVw
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 · Customize →
See demo & docs
Deep verification
Full email verification for sp.design

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits