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Total

DNS

Email

Security

Network

100

Availability

Domainqianzhan.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

前瞻网 - 发现趋势预见未来_行业趋势研究报告_行业分析报告_产业规划

qianzhan.com

前瞻网（www.qianzhan.com）是一个产业研究型资讯服务平台，专注于研究中国与全球各个细分产业发展动向与变迁趋势，对当下产业新风口、新趋势、新模式及案例进行前瞻性分析解读。为关注中国及全球细分产业发展的个人、企业、政府以及科研院所用户，提供前瞻性的产业资讯、产业规划咨询以及产业大数据服务与解决方案。

Generated: 2026-08-11T06:46:06-05:00 · Cached result

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IPv41

IPv60

MX2

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 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 chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

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

77 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 diversity20 / 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

1 record(s)

58.221.49.230

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxbiz2.qq.com.
5 mxbiz1.qq.com.

TXT

4 record(s)

"e3c3b095-8ac6-48b0-aacd-5b2fd4634a60-1432610846383"
"rmhn43aodekkg77uv9ek6ro1ll"
"v=spf1 include:spf.mail.qq.com ~all"
"njmvs08od6crp6tvb03gtr492e"

NS

2 record(s)

ns1.dnsv2.com.
ns2.dnsv2.com.

SOA

1 record(s)

ns1.dnsv2.com. level3dnsadmin.dnspod.com. 1761042777 3600 180 1209600 180

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.qianzhan.com. A NS SOA MX TXT AAAA SRV RRSIG NSEC DNSKEY SVCB HTTPS CAA

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

Configured

v=spf1 include:spf.mail.qq.com ~all

DMARC

Not configured

—

Not configured

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

前瞻网 - 发现趋势预见未来_行业趋势研究报告_行业分析报告_产业规划

Description

Final URL

https://www.qianzhan.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.qianzhan.com/

Version

Server

nginx

X-Powered-By

ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com, Inc.

*.qianzhan.com

Valid from

2025-09-25T21:21:51-05:00

Valid until

2026-10-27T21:21:51-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

58.221.49.230

300,25 ms

Cloudflare

1.1.1.1

58.221.49.230

75,53 ms

Quad9

9.9.9.9

58.221.49.230

311,56 ms

OpenDNS

208.67.222.222

58.221.49.230

122,54 ms

AdGuard

94.140.14.14

58.221.49.230

80,20 ms

IP, geolocation and ASNAssociated network information

58.221.49.230

No data

success

country

region

city

asn

organization

isp

Visitor information

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

mxbiz2.qq.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4021 ms - 
Port 587: Closed/unreachable - 4046.9 ms -

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前瞻网 - 发现趋势 预见未来_行业趋势研究报告_行业分析报告_产业规划

DiagnosticsMain findings and recommendations

DNS and emailPublished records and email configuration

A

AAAA

CNAME

MX

TXT

NS

SOA

CAA

DS

DNSKEY

RRSIG

NSEC

NSEC3

SRV

NAPTR

TLSA

SSHFP

SPF

DMARC

DKIM

Analyzed webpageMetadata and HTTP response

Title and description

HTTP

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Security headers

DNS propagationComparison across public resolvers

Public resolver comparison

IP, geolocation and ASNAssociated network information

58.221.49.230

Visitor information

SMTPEmail port connectivity

mxbiz2.qq.com

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前瞻网 - 发现趋势预见未来_行业趋势研究报告_行业分析报告_产业规划