Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
gutenberghaus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:57:20 UTC · ↺ Refresh
MX Hostnames
- gutenberghaus-de.mail.protection.outlook.com
MX Priorities
- gutenberghaus-de.mail.protection.outlook.com: 10
A / AAAA Records
- 193.53.246.64 ↩ r30070.agenturserver.it
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa9.schlundtech.de admin\.webserver.cms-sudhaus.de 2024043000 43200 7200 1209600 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
admin\@webserver.cms-sudhaus.de
Serial
2024043000
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd9.schlundtech.de
nsc9.schlundtech.de
nsa9.schlundtech.de
nsb9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a:mx.rfsmediagroup.de a:o365.rfsmediagroup.de include:rfsmediagroup.de -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
5 records- MS=ms74022040
- sophos-domain-verification=b06a302974cdc3a2f0ed8261fdff0a480fe562fa436a700b6f2197a977f67f97
- Fqt4bTM/C5ahfyCKkJZqzYuywTuMxFHutTZiZsgRwKmYvTVg1D/JPm9AIWjNzIoUu2NTLOvCbPv2rZU7g8qI7w==
- MS=9F09B4CA2FCA5EF1DB12963FCBDE20410DC57CDF
- SPFv=spf1 a:mx.rfsmediagroup.de a:o365.rfsmediagroup.de include:rfsmediagroup.de -all
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