Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
maxgruendl.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:38:01 UTC · ↺ Refresh
MX Hostnames
- maxgruendl-de.mail.protection.outlook.com
MX Priorities
- maxgruendl-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.161 ↩ wa1.rzone.de
- 2a01:238:20a:202:1161:: ↩ wa1.rzone.de
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.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
docks02.rzone.de hostmaster.strato-rz.de 2020052063 86400 7200 604800 300
Primary NS (mname)
docks02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052063
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades08.rzone.de
docks02.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a:k62432.coveto.de mx ip4:77.37.4.21 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- apple-domain-verification=5159f8wwKiPH1Eq1
- MS=DB296DE92CBDAF2B78F81D8EFA3A9D6DA7390710
- google-site-verification=rhT47xkN7D_ebUEUVylZa6Q6RjzmR411Ijr-ziTK-94
- SPFv=spf1 a:k62432.coveto.de mx ip4:77.37.4.21 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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