NetDiag
Network Diagnostic Tool • Professional Edition
🌐
DNS
📧
Email
📡
Ping
🗺️
Trace
📋
Whois
🌍
GeoIP
🛡️
Blacklist
🔢
IP Calc
🔌
Ports
DNS Lookup
Domain/Hostname/IP:
Record Type:
A (IPv4)
AAAA (IPv6)
CNAME (Canonical Name)
NS (Nameserver)
SOA (Start of Authority)
PTR (Reverse DNS)
TXT (Text)
SRV (Service)
ANY (Alle)
MX (Mail Exchange)
SPF (Sender Policy Framework)
DKIM (DomainKeys Identified Mail)
DMARC (Domain-based Auth)
DKIM Selector:
💡 Häufige Selectors: default, google, k1, selector1, s1, dkim
Execute Query
Ping Test
Host/IP:
Anzahl Pakete:
Execute Ping
Traceroute
Ziel Host/IP:
Max Hops:
Execute Trace
Whois Lookup
IP/Domain:
Whois Query
GeoIP Lookup
IP-Adresse:
💡 Lassen Sie das Feld leer um Ihre eigene IP zu prüfen
Lookup Location
Email Health Report
Domain:
💡 Umfassender Check: MX, SPF, DKIM, DMARC, SMTP, Blacklist, PTR
DKIM Selector (optional):
Generate Report
IP Blacklist Check
IP-Adresse:
💡 Prüft über 40+ DNSBL/RBL Listen (Spam, Proxy, Tor, etc.)
Check Blacklists
IP Calculator
IP Version:
IPv4
IPv6
IP-Adresse / CIDR:
💡 IPv4: z.B. 192.168.1.0/24, 10.0.0.0/8, 172.16.0.0/16
Calculate
Port Scanner
Target Host/IP:
Ports (kommasepariert):
💡 Häufige Ports: 21(FTP), 22(SSH), 80(HTTP), 443(HTTPS), 3306(MySQL), 3389(RDP)
Timeout (ms):
Scan Ports