Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
lupold.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 15:47:40 UTC · ↺ Refresh
MX Hostnames
- lupold-de.mail.protection.outlook.com
MX Priorities
- lupold-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.94 ↩ w8e.rzone.de
- 2a01:238:20a:202:1094:: ↩ w8e.rzone.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
shades13.rzone.de hostmaster.strato-rz.de 2024032050 86400 7200 604800 300
Primary NS (mname)
shades13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024032050
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks04.rzone.de
shades13.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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 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
5 records- asv=418754ead8f0c4991fec7f6e96cfa3f2
- apple-domain-verification=LUtJaviSDbKdM1Je
- cuttly-verification-site-1bc835c872ad34afacd80fd03b154fbe76234600-06d46ee145
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=Y13niMh_kqXu5EK65sFYo7c_hWWoFpzR1GguH6Vby_c
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 lupold.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits