Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fuellert.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:18:11 UTC · ↺ Refresh
MX Hostnames
- mail.nightcom.net
- smtp-backup1.portunity.de
- smtp-backup2.portunity.de
MX Priorities
- mail.nightcom.net: 10
- smtp-backup1.portunity.de: 20
- smtp-backup2.portunity.de: 30
A / AAAA Records
- 91.99.104.252 ↩ webhosting07.nightcom.net
- 2a01:4f8:1c1b:4dd7::1 ↩ webhosting07.nightcom.net
Mail Server IPs
- 95.217.244.127 ↩ mail.nightcom.net
- 2a01:4f8:1c0c:ad77::1 ↩ mail.nightcom.net
- 217.144.128.54 ↩ smtp-backup1.portunity.de
- 2a02:a00::2:0:0:54 ↩ smtp-backup1.portunity.de
- 37.120.186.72 ↩ smtp-backup2-2.portunity.de
- 2a03:4000:f:5b9::25 ↩ smtp-backup2-2.portunity.de
SOA Record
Raw SOA
nsa1.schlundtech.de do-not-reply.fuellert.de 2025062100 43200 7200 1209600 86400
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
do-not-reply@fuellert.de
Serial
2025062100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb1.schlundtech.de
nsc1.schlundtech.de
nsa1.schlundtech.de
nsd1.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com mx -all
📊 DNS lookups: 2/10
✓ 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
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=vlFHg4O_RGv2OtYh-ea3U5x1stDog3-ixjJPRCanVU0
- SPFv=spf1 include:spf.mailjet.com mx -all
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