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Total

DNS

Email

Security

Network

Availability

Domain81.cn

IPv43

IPv69

MX records1

StatusActive

Domain technical report

中国军网 - 中国人民解放军官方军事新闻门户

81.cn

中国军网是经中央军委批准的中国人民解放军唯一新闻门户网站，第一时间向全球网民发布权威军事资讯，追踪军事热点，反映军事动态，介绍国内外最新武器发展动态，拥有中国最大的军事图片库，提供独家发布的军事视频。

Generated: 2026-08-10T00:36:00-05:00 · Cached result

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IPv43

IPv69

MX1

NS5

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

9 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

5 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 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

222 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 connectivity35 / 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 URL0 / 20 pts · Availability

Final URL is not HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)

81.cn.eo.dnse0.com.
222.94.225.121
114.230.198.187
119.188.219.52

AAAA

10 record(s)

81.cn.eo.dnse0.com.
2408:8766:0:101c:40::3b
2408:8738:b000:1c:6a::
2408:8744:d05:12::84
2408:8764:22:1f:70::16
2408:876c:1780:122:68::
2408:8720:806:300:70::19
2408:876a:1000:22:37::3
2408:874f:3001:310:5e::16
2408:873c:7016:0:5e::16

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

81.cn.eo.dnse0.com.

TXT

0 record(s)

—

Not configured

NS

5 record(s)

ns3.cdns.cn.
ns4.cgw.cn.
ns2.cdns.cn.
ns3.cgw.cn.
ns1.cdns.cn.

SOA

1 record(s)

ns1.cdns.cn. mail.cnnic.cn. 366 3600 600 2419200 800

CAA

1 record(s)

81.cn.eo.dnse0.com.

DS

0 record(s)

—

Not configured

DNSKEY

1 record(s)

;; communications error to 69.64.44.20#53: timed out

RRSIG

1 record(s)

;; communications error to 69.64.44.20#53: timed out

NSEC

0 record(s)

—

Not configured

NSEC3

1 record(s)

81.cn.eo.dnse0.com.

SRV

0 record(s)

—

Not configured

NAPTR

1 record(s)

81.cn.eo.dnse0.com.

TLSA

1 record(s)

81.cn.eo.dnse0.com.

SSHFP

1 record(s)

81.cn.eo.dnse0.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

中国军网 - 中国人民解放军官方军事新闻门户

Description

Final URL

http://www.81.cn/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

http://www.81.cn/

Version

Server

elb

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

China Financial Certification Authority

*.81.cn

Valid from

2026-03-04T01:15:45-06:00

Valid until

2027-03-20T02:15:44-05:00

Days remaining

222

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

114.230.198.187, 119.188.219.52, 222.94.225.121

1.342,92 ms

Cloudflare

1.1.1.1

114.230.198.187, 119.188.219.52, 222.94.225.121

505,49 ms

Quad9

9.9.9.9

114.230.198.187, 119.188.219.52, 222.94.225.121

329,73 ms

OpenDNS

208.67.222.222

114.230.198.187, 119.188.219.52, 222.94.225.121

980,74 ms

AdGuard

94.140.14.14

306,17 ms

IP, geolocation and ASNAssociated network information

222.94.225.121

No data

success

country

region

city

asn

organization

isp

114.230.198.187

No data

success

country

region

city

asn

organization

isp

119.188.219.52

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

81.cn.eo.dnse0.com

Port 25: Closed/unreachable - 47.9 ms - 
Port 465: Closed/unreachable - 682.9 ms - 
Port 587: Closed/unreachable - 679.2 ms -

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