Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
netperformers.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:05:13 UTC · ↺ Refresh
MX Hostnames
- netperformers-de.mail.protection.outlook.com
MX Priorities
- netperformers-de.mail.protection.outlook.com: 0
A / AAAA Records
- 212.132.96.133 ↩ ip212-132-96-133.pbiaas.com
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1115.ui-dns.de hostmaster.1und1.com 2017060198 28800 7200 604800 600
Primary NS (mname)
ns1115.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060198
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1065.ui-dns.biz
ns1115.ui-dns.de
ns1036.ui-dns.org
ns1019.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:85.215.108.180 ip4:82.165.114.161 ip4:212.132.96.133 ip4:80.151.239.85 ip4:178.250.167.101 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
4 records- SPFv=spf1 a ip4:85.215.108.180 ip4:82.165.114.161 ip4:212.132.96.133 ip4:80.151.239.85 ip4:178.250.167.101 include:spf.protection.outlook.com include:spf.eu.exclaimer.net -all
- atlassian-domain-verification=iyoZWO3WehXa8aMvNWyDVwuuoQQX18zfAlwFZcg0mvtAYaxW0RO47uyKoHfj878i
- UuZX1duolQn/1YpFXJR2+rFoU5F6KeQ92Y+4Hu2Hjc6PnqH1BoSeLQQTDHH6XA1dI6wmTj1O83pjX4HmjjzhOQ==
- MS=ms47261473
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
See demo & docs
Deep verification
Full email verification for netperformers.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits