Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3dit.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 06:38:41 UTC · ↺ Refresh
MX Hostnames
- 3dit-de.mail.protection.outlook.com
MX Priorities
- 3dit-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.150 ↩ w96.rzone.de
- 2a01:238:20a:202:1150:: ↩ w96.rzone.de
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
docks20.rzone.de hostmaster.strato-rz.de 2020051250 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051250
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades01.rzone.de
docks20.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
mail._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=NV2TZAvZOOZOHROXGUlUUu9azpb-0omAyYvFHUB_ATI
- atlassian-sending-domain-verification=57bc1c79-f4ff-4e95-8dfb-3ea22a1bbb72
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com mx ~all
- atlassian-domain-verification=URnIykD35wqNulPrrq7k8bO6MSfP6rXL08tdXnLteqRJLkmIsm/vAonHJlJVNA9h
- Sendinblue-code:1ea5d1b9b4ab59ee3faf52ba2c3884ec
- facebook-domain-verification=ofamin4x4mb9zteejk8lmw91wudt9m
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