Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulz-elektrotechnik.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:33:05 UTC · ↺ Refresh
MX Hostnames
- schulzelektrotechnik-de01e.mail.protection.outlook.com
MX Priorities
- schulzelektrotechnik-de01e.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hosting.de hostmaster.schulz-elektrotechnik.de 2025101701 43200 7200 2419200 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@schulz-elektrotechnik.de
Serial
2025101701
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns1.hosting.de
ns3.hosting.de
ns2.hosting.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com a:smtpout1.schulz.customers.hosting.zone ip4:62.159.187.160/28 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms53712093
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com a:smtpout1.schulz.customers.hosting.zone ip4:62.159.187.160/28 -all
- DI723roGv/4qVnL7buAxgsHPrpi5h+X5mSM4pNrPub8HXqr2Pmt1oJd49vFh+DQ4sEmoQG04cSrAwa76ykREyg==
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 schulz-elektrotechnik.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits