Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gleichmann-elektrotechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 13:46:12 UTC · ↺ Refresh
MX Hostnames
- isidor.masterframe.de
MX Priorities
- isidor.masterframe.de: 10
A / AAAA Records
- 152.53.252.152 ↩ hosting.masterframe.de
- 2a0a:4cc0:c0:bfbd:14b5:f8ff:fefd:bfa9 ↩ hosting.masterframe.de
Mail Server IPs
- 152.53.121.167 ↩ mail.masterframe.de
- 2a0a:4cc0:c0:405f:d8fb:1cff:feeb:ba6f ↩ mail.masterframe.de
SOA Record
Raw SOA
dns.dns1.de hostmaster.internetwire.de 2026030905 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2026030905
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns4.de
dns.dns1.de
dns.dns2.de
dns.dns3.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.masterframe.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf.masterframe.de -all
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