sitron.de

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sitron.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-04 17:34:21 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

  • sitron-de.mail.protection.outlook.com

MX Priorities

  • sitron-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.94.251.113 ↩ ovm1540.agenturserver.it

Mail Server IPs

  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::c ↩ mail-matpr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.agenturserver.de support.mittwald.de 1786972825 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1786972825
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns01.agenturserver.co
ns01.agenturserver.it
ns01.agenturserver.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:188.94.250.0/24 ip4:80.74.48.218/22 ip4:87.140.22.59/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 mx ip4:188.94.250.0/24 ip4:80.74.48.218/22 ip4:87.140.22.59/32 include:spf.protection.outlook.com -all
  • MS=ms78284763
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 sitron.de

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

No credit card required
Get 1,000 Free Credits