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Total

DNS

Email

Security

Network

100

Availability

Domainzw.cn

IPv41

IPv60

MX records2

StatusActive

Domain technical report

域名注册_网站建站_企业邮箱_网络推广_商标注册_专业互联网基础服务提供商-中万网络

zw.cn

中万网络成立于2007年,荣获CNNIC和ICANN双认证顶级域名注册商,服务众多知名品牌企业.中万网络提供域名注册,网站建设,网站认证,企业邮箱,网络推广,商标注册,软著申请,、ssl证书等一站式信息化产品服务。

Generated: 2026-08-10T14:35:46-05:00 · 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.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

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

12 day(s) remaining.

Certificate lifetime2 / 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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

123.57.245.41

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

5 mx401.chinaemail.cn.
10 mxa401.chinaemail.cn.

TXT

1 record(s)

"v=spf1 include:spf.chinaemail.cn -all"

NS

2 record(s)

v1.dnsip.com.
v2.dnsip.com.

SOA

1 record(s)

v1.dnsip.com. admin.dnsip.com. 1781509341 3600 300 1209600 1800

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

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 <<>> zw.cn NSEC +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

NSEC3

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 <<>> zw.cn NSEC3 +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

SRV

0 record(s)

—

Not configured

NAPTR

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 <<>> zw.cn NAPTR +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

TLSA

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 <<>> zw.cn TLSA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

SSHFP

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 <<>> zw.cn SSHFP +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

SPF

Configured

v=spf1 include:spf.chinaemail.cn -all

DMARC

Configured

v=DMARC1; p=none; fo=1; ruf=mailto:dmarc@chinaemail.cn; rua=mailto:dmarc_report@chinaemail.cn

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

域名注册_网站建站_企业邮箱_网络推广_商标注册_专业互联网基础服务提供商-中万网络

Description

Final URL

https://www.zw.cn/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.zw.cn/

Version

Server

Microsoft-IIS/7.5

X-Powered-By

ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

北京中万网络科技有限责任公司

*.zw.cn

Valid from

2025-07-21T19:00:00-05:00

Valid until

2026-08-22T18:59:59-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-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

123.57.245.41

269,44 ms

Cloudflare

1.1.1.1

123.57.245.41

565,13 ms

Quad9

9.9.9.9

123.57.245.41

246,82 ms

OpenDNS

208.67.222.222

123.57.245.41

834,03 ms

AdGuard

94.140.14.14

123.57.245.41

809,58 ms

IP, geolocation and ASNAssociated network information

123.57.245.41

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

mx401.chinaemail.cn

Port 25: Closed/unreachable - 425.3 ms - 
Port 465: Closed/unreachable - 820.7 ms - 
Port 587: Closed/unreachable - 4623.8 ms -

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