Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
niyu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 05:54:16 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 178.20.100.152 ↩ vps51064.alfahosting-vps.de
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns1112.ui-dns.org hostmaster.1und1.de 2017061339 28800 7200 604800 300
Primary NS (mname)
ns1112.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017061339
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1112.ui-dns.biz
ns1112.ui-dns.com
ns1112.ui-dns.de
ns1112.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.153.142.159 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:cloud.niyu.de include:_spf.zimpel.de include:_spf-eu.ionos.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 a mx ip4:80.153.142.159 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:cloud.niyu.de include:_spf.zimpel.de include:_spf-eu.ionos.com include:spf.hornetsecurity.com -all
- MS=ms37449749
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