Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
web4business.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:12:42 UTC · ↺ Refresh
MX Hostnames
- web4business-de.mail.protection.outlook.com
- web4business-de.mail.protection.outlook.com
- web4business-de.mail.protection.outlook.com
MX Priorities
- web4business-de.mail.protection.outlook.com: 10
- web4business-de.mail.protection.outlook.com: 30
- web4business-de.mail.protection.outlook.com: 20
A / AAAA Records
- 85.215.6.79 ↩ exchange.web4business.de
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.c4b1.net dns.cm4all.com 2016090701 28800 7200 604800 86400
Primary NS (mname)
ns1.c4b1.net
Admin Email (rname)
dns@cm4all.com
Serial
2016090701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.c4b1.net
ns2.c4b1.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:servers.mcsv.net ip4:85.215.6.79 ip4:86.109.249.96/27 a:ted.server.cm4all.net include:_spf.salesforce.com include:amazonses.com include:spf.protection.outlook.com include:_spf.mailrelay.rrpproxy.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=tKQvm5OBvBY9FkTnaldn7wNjbZ50OD7IVlEaglnU9ZA
- SPFv=spf1 mx include:servers.mcsv.net ip4:85.215.6.79 ip4:86.109.249.96/27 a:ted.server.cm4all.net include:_spf.salesforce.com include:amazonses.com include:spf.protection.outlook.com include:_spf.mailrelay.rrpproxy.net ~all
- google-site-verification=vPgayYNQMhj-MVsPLOQC3N1O2Ndoo075mlsuBAw0bDI
- MS=ms66525653
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