Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maier-kaufmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 17:12:27 UTC · ↺ Refresh
MX Hostnames
- maierkaufmann-de01c.mail.protection.outlook.com
MX Priorities
- maierkaufmann-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.79 ↩ w0f.rzone.de
- 2a01:238:20a:202:1079:: ↩ w0f.rzone.de
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
docks11.rzone.de hostmaster.strato-rz.de 2021030675 86400 7200 604800 300
Primary NS (mname)
docks11.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021030675
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades15.rzone.de
docks11.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:81.18.104.20 include:spf-de.emailsignatures365.com include:spf.hagebau.cloud include:_spf.itandtel.at ip4:213.164.82.178 include:spf.nl2go.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com ip4:81.18.104.20 include:spf-de.emailsignatures365.com include:spf.hagebau.cloud include:_spf.itandtel.at ip4:213.164.82.178 include:spf.nl2go.com -all
- brevo-code:7df94ddc64c982a913ba1faa00aeee10
- google-site-verification=q5NpVOlR8wQHPBL0KsMymKYVZXtlhW4LGmKdSUTI9xc
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRBZeyfQv8oE7vJX1A0d+Hrh32IocMfr8+wXpPKWRR1qibAy43WvHsQQNF33VGKbYyYnt6m/UAUbXtygg+T3id0XOV+IHMh9I1LDf4Aalaec50pzwUAn2a1N0iUnuF12z0NEwvota/9/GxX+u5pHY9u7gRMGYP7RIagbdqx7LdiQIDAQAB;
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