Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
muw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 17:50:28 UTC · ↺ Refresh
MX Hostnames
- postamt.muw.de
- postamt.poseidon.ag
MX Priorities
- postamt.muw.de: 2000
- postamt.poseidon.ag: 1000
A / AAAA Records
- 49.13.154.56 ↩ static.56.154.13.49.clients.your-server.de
Mail Server IPs
- 93.240.234.53 ↩ postamt.poseidon.ag
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026030900 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026030900
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns3.domaindiscount24.net
ns2.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:93.90.178.153 ip4:49.13.146.60 ip4:49.13.154.56 ip6:2a01:4f8:1c1e:89f4::1 include:_spf.psm.knowbe4.com ip4:62.116.184.123 ip4:93.240.234.52 ip4:93.240.234.53 include:spf.protection.outlook.com ip4:93.240.234.50/28 include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=r;rua=mailto:[email protected];ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
7 records- V4UA/VHHgDGajUq4R+ocFHH5uTjqTwjsG1rZf5jcVfZenmBDaXFeVfCb5sox3fdf/zupZ4Q0+oO05CFuVUSNZw==
- MS=ms38608499
- brevo-code:9009088f5bcc0bb997e2f101ec87cd88
- google-site-verification=XqlhJaT2nVdCQNNFD4ltYd2RdH1jD8_dvlXowemxB4k
- SPFv=spf1 mx ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:93.90.178.153 ip4:49.13.146.60 ip4:49.13.154.56 ip6:2a01:4f8:1c1e:89f4::1 include:_spf.psm.knowbe4.com ip4:62.116.184.123 ip4:93.240.234.52 ip4:93.240.234.53 include:spf.protection.outlook.com ip4:93.240.234.50/28 include:spf-de.emailsignatures365.com -all
- knowbe4-site-verification=210f91cec49108a1bddc63f40221c2b5
- MDAyNDE1ODFtdXcuZGU=
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