Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maxcluster.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 13:25:20 UTC · ↺ Refresh
MX Hostnames
- ALT3.ASPMX.L.GOOGLE.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
- ALT4.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
MX Priorities
- aspmx.l.google.com: 1
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 185.88.214.35
- 2a00:f48:1008::214:35:10
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
nameserver-1-de.maxcluster.net info.maxcluster.net 2025112401 10800 3600 604800 3600
Primary NS (mname)
nameserver-1-de.maxcluster.net
Admin Email (rname)
info@maxcluster.net
Serial
2025112401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
nameserver-1-de.maxcluster.net
nameserver-2-de.maxcluster.net
SPF Record
✓ Strict (-all)
v=spf1 include:smtp.maxcluster.de include:mail.zendesk.com include:_spf.google.com include:25327754.spf01.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms14505933
- ahrefs-site-verification_f9c02501583ff9ebece858798d58f227fab195e4ede15525c354fcb3d3e8ba1e
- SPFv=spf1 include:smtp.maxcluster.de include:mail.zendesk.com include:_spf.google.com include:25327754.spf01.hubspotemail.net -all
- linkedin-site-verification=d33c69f6-d271-48e1-a494-dc06b79d3673
- faee4bf3300ff0744de85985bca334b3
- 1password-site-verification=BQOSDN5SJBAIDN5KFZKVAOHMTI
- google-site-verification=2jMOEDUNN16UTzGxtym4QsakbSm7DTjYLooN_Y7Vghg
Full email verification for maxcluster.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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