Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hum-online.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:09:24 UTC · ↺ Refresh
MX Hostnames
- humonline-de0i.mail.protection.outlook.com
MX Priorities
- humonline-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 37.157.252.70 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
dns01.imagearts.de hostmaster.imagearts.de 612200502 36000 18000 1209600 900
Primary NS (mname)
dns01.imagearts.de
Admin Email (rname)
hostmaster@imagearts.de
Serial
612200502
Refresh
36000s
Retry
18000s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
dns03.imagearts.de
dns01.imagearts.de
dns02.imagearts.de
dns04.imagearts.de
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.crsend.com a:spf.imagearts.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com mx:indivsurvey.de -all
📊 DNS lookups: 7/10
✓ 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
3 records- SPFv=spf1 mx a include:spf.crsend.com a:spf.imagearts.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com mx:indivsurvey.de -all
- google-site-verification=AtqF5w3KLfSif6o-Kl1tp-iZvi06OvfkIkJfbZ5x4mM
- MS=ms36452925
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