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72
Total
100
DNS
20
Email
69
Security
55
Network
100
Availability
Domainyouth.cn
IPv41
IPv61
MX records2
StatusActive
Domain technical report

中国青年网

youth.cn

中国青年网，共青团中央主办的中央重点新闻网站，着力体现青年温度、青网态度和青春靓度。

Generated: 2026-08-09T05:24:37-05:00 · Cached result

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IPv41
IPv61
MX2
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 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 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

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

76 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
IPv4 diversity20 / 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 URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
youth.cn.wsglb0.com.
157.185.179.34

AAAA

2 record(s)
youth.cn.wsglb0.com.
2606:1980:a:ffff::28

CNAME

1 record(s)
youth.cn.wsglb0.com.

MX

2 record(s)
;; communications error to 69.64.44.20#53: timed out
youth.cn.wsglb0.com.

TXT

1 record(s)
youth.cn.wsglb0.com.

NS

5 record(s)
ns4.k618.cn.
ns5.k618.cn.
ns2.k618.cn.
ns3.k618.cn.
ns1.k618.cn.

SOA

1 record(s)
youth.cn.wsglb0.com.

CAA

1 record(s)
youth.cn.wsglb0.com.

DS

1 record(s)
youth.cn.wsglb0.com.

DNSKEY

1 record(s)
youth.cn.wsglb0.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 <<>> youth.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 <<>> youth.cn NSEC +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

NSEC3

1 record(s)
youth.cn.wsglb0.com.

SRV

1 record(s)
youth.cn.wsglb0.com.

NAPTR

1 record(s)
youth.cn.wsglb0.com.

TLSA

1 record(s)
youth.cn.wsglb0.com.

SSHFP

1 record(s)
youth.cn.wsglb0.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
中国青年网
Description
中国青年网，共青团中央主办的中央重点新闻网站，着力体现青年温度、青网态度和青春靓度。
Final URL
https://m.youth.cn/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.youth.cn/
Version
2
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.youth.cn
Valid from
2026-04-08T19:00:00-05:00
Valid until
2026-10-24T18:59:59-05:00
Days remaining
76
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

1 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
✓
X-Frame-OptionsImplemented
—
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
157.185.179.34
1.406,69 ms
Cloudflare
1.1.1.1
157.185.179.34
996,31 ms
Quad9
9.9.9.9
157.185.179.34
2.056,38 ms
OpenDNS
208.67.222.222
157.185.179.34
865,13 ms
AdGuard
94.140.14.14
157.185.179.34
394,89 ms

IP, geolocation and ASNAssociated network information

157.185.179.34

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

out

Port 25: Closed/unreachable - 3.6 ms - 
Port 465: Closed/unreachable - 4.5 ms - 
Port 587: Closed/unreachable - 2.7 ms -

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