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Total

DNS

Email

Security

Network

100

Availability

Domainjuejin.cn

IPv48

IPv60

MX records2

StatusActive

Domain technical report

juejin.cn

Generated: 2026-08-09T07:40:40-05:00 · Cached result

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IPv48

IPv60

MX2

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

8 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

162 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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

10 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.
8.45.176.210
8.45.176.205
8.45.176.207
8.45.176.211
8.45.176.209
8.45.176.208
8.45.176.206
8.45.176.212

AAAA

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

CNAME

1 record(s)

juejin.cn.w.cdngslb.com.

MX

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

TXT

1 record(s)

juejin.cn.w.cdngslb.com.

NS

2 record(s)

vip3.alidns.com.
vip4.alidns.com.

SOA

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

CAA

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

DS

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

DNSKEY

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

RRSIG

5 record(s)

;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> juejin.cn RRSIG +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

NSEC

0 record(s)

—

Not configured

NSEC3

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

SRV

11 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.
95 1 443 8.45.176.207.
95 1 443 8.45.176.206.
95 1 443 8.45.176.208.
96 1 443 8.45.176.210.
95 1 443 8.45.176.209.
95 1 443 8.45.176.210.
95 1 443 8.45.176.205.
95 1 443 8.45.176.212.
95 1 443 8.45.176.211.

NAPTR

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

TLSA

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.com.

SSHFP

2 record(s)

juejin.cn.w.cdngslb.com.
juejin.cn.queniusz.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

Description

Final URL

https://juejin.cn/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://juejin.cn/

Version

Server

Tengine

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

*.juejin.cn

Valid from

2026-01-18T18:00:00-06:00

Valid until

2027-01-18T17:59:59-06:00

Days remaining

162

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

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

163.181.246.188, 163.181.246.189, 163.181.246.190, 163.181.246.191, 163.181.246.192, 163.181.246.193, 163.181.246.194, 163.181.246.195

596,82 ms

Cloudflare

1.1.1.1

155.102.54.129, 155.102.54.130, 155.102.54.131, 155.102.54.132, 155.102.54.133, 155.102.54.134, 155.102.54.135, 155.102.54.136

816,11 ms

Quad9

9.9.9.9

163.181.60.201, 163.181.60.202, 163.181.60.203, 163.181.60.204, 163.181.60.205, 163.181.60.206, 163.181.60.207, 163.181.60.208

723,28 ms

OpenDNS

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

juejin.cn.w.cdngslb.com

Port 25: Closed/unreachable - 235.8 ms - 
Port 465: Closed/unreachable - 4065.2 ms - 
Port 587: Closed/unreachable - 4019.6 ms -

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