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Total

DNS

Email

Security

Network

100

Availability

Domaineb.ac.cn

IPv41

IPv60

MX records1

StatusActive

Domain technical report

杭州电子商务研究院DMP中心-杭州电子商务研究院官网-杭州电商-企业转型升级服务-电子商务

eb.ac.cn

经信委主管的产学研一体化的研究机构，依托西湖区国家电子商务示范基地、浙江工商大学的浙江省重点科技创新团队和浙江省重点实验室等资源，共同攻关开发解决电子商务行业中的共性关键技术和基础性技术难题，为国内外电子商务产业发展提供课题研究、规划设计、决策咨询、社会培训和信息交流服务

Generated: 2026-08-09T20:21:59-05:00 · Cached result

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IPv41

IPv60

MX1

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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

96 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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

2 record(s)

aliyun.guanwang.cc.
121.43.178.211

AAAA

1 record(s)

aliyun.guanwang.cc.

CNAME

1 record(s)

aliyun.guanwang.cc.

MX

1 record(s)

aliyun.guanwang.cc.

TXT

1 record(s)

aliyun.guanwang.cc.

NS

2 record(s)

ns1.22.cn.
ns2.22.cn.

SOA

1 record(s)

aliyun.guanwang.cc.

CAA

1 record(s)

aliyun.guanwang.cc.

DS

1 record(s)

aliyun.guanwang.cc.

DNSKEY

1 record(s)

aliyun.guanwang.cc.

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

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

NSEC3

1 record(s)

aliyun.guanwang.cc.

SRV

1 record(s)

aliyun.guanwang.cc.

NAPTR

1 record(s)

aliyun.guanwang.cc.

TLSA

1 record(s)

aliyun.guanwang.cc.

SSHFP

1 record(s)

aliyun.guanwang.cc.

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

杭州电子商务研究院DMP中心-杭州电子商务研究院官网-杭州电商-企业转型升级服务-电子商务

Description

Final URL

https://www.eb.ac.cn/?ref_domain_alias=eb.ac.cn

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.eb.ac.cn/?ref_domain_alias=eb.ac.cn

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

eb.ac.cn

Valid from

2026-04-29T19:00:00-05:00

Valid until

2026-11-14T17:59:59-06:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

—

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

121.43.178.211

373,30 ms

Cloudflare

1.1.1.1

121.43.178.211

599,21 ms

Quad9

9.9.9.9

121.43.178.211

494,58 ms

OpenDNS

208.67.222.222

121.43.178.211

2.342,62 ms

AdGuard

94.140.14.14

121.43.178.211

1.001,14 ms

IP, geolocation and ASNAssociated network information

121.43.178.211

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

aliyun.guanwang.cc

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4020.9 ms - 
Port 587: Closed/unreachable - 4009.1 ms -

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