Domain technical report
idv.tw
idv.tw
IPv40
IPv60
MX0
NS10
Analyze any domain
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
15
Total
45
DNS
0
Email
0
Security
0
Network
20
Availability
Domainidv.tw
IPv40
IPv60
MX records0
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)0 / 30 pts · Dns
0 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
10 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation0 / 10 pts · Dns
Agreement between public resolvers.
MX records0 / 20 pts · Mail
0 MX record(s).
SPF0 / 25 pts · Mail
SPF policy not found.
DMARC0 / 25 pts · Mail
DMARC policy not found.
DKIM0 / 20 pts · Mail
No tested DKIM selector responded.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate0 / 55 pts · Security
No valid certificate was retrieved.
Certificate lifetime0 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity0 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity0 / 35 pts · Network
AAAA availability.
DNS resolution0 / 40 pts · Availability
At least one address family must resolve.
HTTP response0 / 40 pts · Availability
No successful HTTP response.
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
0 record(s)—
Not configured
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
0 record(s)—
Not configured
TXT
0 record(s)—
Not configured
NS
10 record(s)g.twnic.net.tw. e.twnic.net.tw. f.twnic.net.tw. a.twnic.net.tw. anytld.apnic.net. h.dns.tw. c.twnic.net.tw. b.twnic.net.tw. h.twnic.net.tw. d.twnic.net.tw.
SOA
1 record(s)a.twnic.net.tw. snw.twnic.net.tw. 201429641 3600 900 3600000 900
CAA
0 record(s)—
Not configured
DS
1 record(s)11000 13 2 2E8CBE1641ECCE22993ADC7A203602538D1F29669CA5E5D9BD2C4A4D 98765664
DNSKEY
2 record(s)257 3 13 O9D5b1ocATXQQ87pZNFGqZ8QhkDUsyKAW/6CsBVIxPXQbQeY3mN779G3 sReU63FcwWNPyKOiqcBmdqeunJixgA== 256 3 13 jFOq1mjh5fnzaQyHO3f/54PJP0A4VyOCozDd+fgLg+FHM04b6zbN80r5 IykEWIi4WdUiq1Sc1iQP93o5CvX2aQ==
RRSIG
1 record(s)DS 13 2 3600 20260908080019 20260809080019 56133 tw. KHg8vp54vfvkUjrpAxoZCcHmtrFl1yIo2NvLGq/YsJUDH7yLbRy8nZww Od0ujscOSXZvWjA94q69uy7gPNX3ow==
NSEC
0 record(s)—
Not configured
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Not configured—
Not configured
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
No dataTitle
Description
Final URL
https://idv.tw/
HTTP status
HTTP
Status
Final URL
https://idv.tw/
Version
0
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
UnavailableAvailable
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher
Security headers
0 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
Referrer PolicyNot detected
Permissions PolicyNot detected
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ReviewDifferences detected
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8247,99 ms
Cloudflare
1.1.1.131,86 ms
Quad9
9.9.9.929,26 ms
OpenDNS
208.67.222.2221.068,30 ms
AdGuard
94.140.14.14246,90 ms
IP, geolocation and ASNAssociated network information
Visitor information
Visitorip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
idv.tw
Port 25: Closed/unreachable - 1 ms - Port 465: Closed/unreachable - 1 ms - Port 587: Closed/unreachable - 0.9 ms -