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64
Total
80
DNS
20
Email
65
Security
35
Network
100
Availability
Domainjb51.net
IPv45
IPv60
MX records2
StatusActive
Domain technical report

脚本之家_www.jb51.net

jb51.net

脚本之家是国内专业的网站建设资源、脚本编程学习类网站，提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料。

Generated: 2026-08-10T06:09:49-05:00 · Cached result

JSONCSVPDFVisit site
IPv45
IPv60
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

5 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 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 policy5 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 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 certificate55 / 55 pts · Security

158 day(s) remaining.

✓
Certificate lifetime10 / 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 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

7 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.
194.147.100.178
194.147.100.104
194.147.100.118
194.147.100.37
194.147.100.176

AAAA

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

CNAME

1 record(s)
ra5sq2kz.anyscdn.com.

MX

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

TXT

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

NS

2 record(s)
vip4.alidns.com.
vip3.alidns.com.

SOA

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

CAA

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

DS

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

DNSKEY

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

RRSIG

1 record(s)
;; communications error to 69.64.44.20#53: timed out

NSEC

0 record(s)
—

Not configured

NSEC3

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

SRV

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

NAPTR

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

TLSA

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

SSHFP

2 record(s)
ra5sq2kz.anyscdn.com.
tnp9x3uc.anyscdn.com.

SPF

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
脚本之家_www.jb51.net
Description
脚本之家是国内专业的网站建设资源、脚本编程学习类网站，提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料。
Final URL
https://www.jb51.net/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.jb51.net/
Version
2
Server
Microsoft-IIS/10.0
X-Powered-By
jb51.net

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
GlobalSign nv-sa
CN
*.jb51.net
Valid from
2025-12-14T20:00:51-06:00
Valid until
2027-01-15T20:00:50-06:00
Days remaining
158
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

0 active
—
HSTSNot 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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
194.147.100.104, 194.147.100.118, 194.147.100.176, 194.147.100.178, 194.147.100.37
129,43 ms
Cloudflare
1.1.1.1
104.143.94.227, 104.143.94.231, 194.147.100.3, 202.5.31.236, 202.5.31.251
187,12 ms
Quad9
9.9.9.9
104.143.94.227, 104.143.94.231, 194.147.100.3, 202.5.31.236, 202.5.31.251
134,63 ms
OpenDNS
208.67.222.222
194.147.100.104, 194.147.100.118, 194.147.100.176, 194.147.100.178, 194.147.100.37
481,95 ms
AdGuard
94.140.14.14
194.147.100.104, 194.147.100.118, 194.147.100.176, 194.147.100.178, 194.147.100.37
691,42 ms

IP, geolocation and ASNAssociated network information

194.147.100.178

No data
success
No
country
region
city
asn
organization
isp

194.147.100.104

No data
success
No
country
region
city
asn
organization
isp

194.147.100.118

No data
success
No
country
region
city
asn
organization
isp

194.147.100.37

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
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

ra5sq2kz.anyscdn.com

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 340.6 ms - 
Port 587: Closed/unreachable - 339 ms -

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