nuxn.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
nuxn.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 07:40:45 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

  • mail.tutanota.de

MX Priorities

  • mail.tutanota.de: 10

A / AAAA Records

  • 172.67.168.212 (no PTR)
  • 104.21.38.240 (no PTR)
  • 2606:4700:3036::ac43:a8d4 (no PTR)
  • 2606:4700:3032::6815:26f0 (no PTR)

Mail Server IPs

  • 185.205.69.213 ↩ mail.w13.tutanota.de
  • 185.205.69.214 ↩ mail.w14.tutanota.de
  • 185.205.69.211 ↩ mail.w11.tutanota.de

SOA Record

Raw SOA cory.ns.cloudflare.com dns.cloudflare.com 2405682772 10000 2400 604800 1800
Primary NS (mname)
cory.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405682772
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

cory.ns.cloudflare.com
erin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.tutanota.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
⚠ 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

3 records
  • t-verify=8c8609b145dea273a8196776aadaf23f
  • SPFv=spf1 include:spf.tutanota.de -all
  • openai-domain-verification=dv-AxL567UCZ5eKViVpXnU9ePWS
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 nuxn.com

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

No credit card required
Get 1,000 Free Credits