Domain Overview
DNS: ✓ just now
Checker: ✓ just now
insite-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:27:07 UTC · ↺ Refresh
MX Hostnames
- mail.insite-gmbh.de
- insitegmbh-de01e.mail.protection.outlook.com
MX Priorities
- insitegmbh-de01e.mail.protection.outlook.com: 0
- mail.insite-gmbh.de: 10
A / AAAA Records
- 213.133.104.12 ↩ www12.your-server.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.91.159 ↩ mail-matpr04cu00207.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 213.133.104.12 ↩ www12.your-server.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026032701 86400 1800 3600000 86400
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026032701
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ptr ip4:213.133.104.12 ip4:104.47.0.36 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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
1 record- SPFv=spf1 a mx ptr ip4:213.133.104.12 ip4:104.47.0.36 include:spf.protection.outlook.com -all
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 insite-gmbh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits