Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
der-stoff.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:35:37 UTC · ↺ Refresh
MX Hostnames
- derstoff-de0i.mail.protection.outlook.com
MX Priorities
- derstoff-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 194.6.209.205 ↩ srv-a-cc.c-1701.maxcluster.net
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
docks09.rzone.de hostmaster.strato-rz.de 2020051478 86400 7200 604800 300
Primary NS (mname)
docks09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051478
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades19.rzone.de
docks09.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:194.6.208.205 ip4:194.6.209.205 ip6:2a00:f48:1008::208:205:10 ip6:2a00:f48:1008::209:205:10 mx include:_spf.strato.com include:spf.crsend.com include:_spf.1und1.de a:mout.kundenserver.de include:spf.protection.outlook.com include:spf.brevo.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms13640571
- SPFv=spf1 ip4:194.6.208.205 ip4:194.6.209.205 ip6:2a00:f48:1008::208:205:10 ip6:2a00:f48:1008::209:205:10 mx include:_spf.strato.com include:spf.crsend.com include:_spf.1und1.de a:mout.kundenserver.de include:spf.protection.outlook.com include:spf.brevo.com ~all
- brevo-code:8dd4f4b19a7f0fe468609640ee0fa19b
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