Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
invent-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:47:03 UTC · ↺ Refresh
MX Hostnames
- inventgmbh-de01e.mail.protection.outlook.com
MX Priorities
- inventgmbh-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 188.68.47.247 ↩ a2ff7.netcup.net
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net hostmaster.welfen.net 2025082700 43200 7200 604800 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@welfen.net
Serial
2025082700
Refresh
43200s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
a.ns14.net
d.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- atlassian-domain-verification=Bf6dCoGH511XJxbG8K5mTsGsXXcEjoPwjamvRtCBjGuBO8aAF1H0tMyisQOx6BPf
- 7jV38Q4NDmI9DOWwucdwmCDnSQg5umv6S3LlS7/Ci0rGvutMr6VBEpO3rYxCnRH3CGBAbJ6D6MWTcVF0bOVhsQ==
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