Monitoring hosting

Our tools:

RDAP domain registration:
Visualization of settings:

Test tools:

Server score plus many details:
Indication of state-of-the-art:
DNS report:
Site score (plus list subdomains):
Overview of properties:

Ownership / location (s):

Analyze ownership:
List shared server URLs:
Describes locations:

Technical analysis:

Analysis overview:
Server analysis, detailed:
HTTP/2 test:
Test host reachability:
Find hosting data:


Find subdomains (A records):
Analyze type of application with web browser plugin:
New tool: broken links, performance, etcetera:

Local machine / connection:

Test local IPv6 capability:
Get IPv4 address (and IPv6):

D(omain) N(ame) S(ystem):

Valuable comments:
Detailed: / /
For ‘AAAA’ (pronounced quad A) for IPv6, a data center must be up to date.
A ‘TLSA’ record for DANE secures email transport, and in the future for an URL.
A ‘CAA’ record protects against a different SSL certificate provider than the one set in the DNS.

Reverse DNS:

PTR records from an IP address to the server name are not in the domain name DNS zone.
A PTR record needs to be created in the rDNS netblock zone.

Some background information:

HSTS restricts to https:
HTTP/2 webpage traffic optimization:
SNI same owner of (server) domain: