Domain technical report
ShanghaiRanking
shanghairanking.com
IPv41
IPv60
MX2
NS2
Analyze any domain
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65
Total
70
DNS
45
Email
65
Security
20
Network
100
Availability
Domainshanghairanking.com
IPv41
IPv60
MX records2
StatusActive
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
144 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)121.41.224.230
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)20 qiye163mx02.mxmail.netease.com. 10 qiye163mx01.mxmail.netease.com.
TXT
2 record(s)"be63c06b5c72b51fb5b2e5fc4329d400f277cd5de1d2c516bc349e722a880ba7" "v=spf1 include:spf.163.com ~all"
NS
2 record(s)ns13.xincache.com. ns14.xincache.com.
SOA
1 record(s)ns11.xincache.com. ns12.xincache.com. 1784795992 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.shanghairanking.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
Configuredv=spf1 include:spf.163.com ~all
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
ShanghaiRanking
Description
Final URL
https://www.shanghairanking.com/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://www.shanghairanking.com/
Version
3
Server
Tengine
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
iTrusChina Co., Ltd.
CN
*.shanghairanking.com
Valid from
2026-06-16T22:12:43-05:00
Valid until
2027-01-01T21:12:42-06:00
Days remaining
144
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
0 activeHSTSNot 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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8121.41.224.230
88,32 ms
Cloudflare
1.1.1.1121.41.224.230
107,80 ms
Quad9
9.9.9.9121.41.224.230
286,43 ms
OpenDNS
208.67.222.222121.41.224.230
1.010,73 ms
AdGuard
94.140.14.14121.41.224.230
319,80 ms
IP, geolocation and ASNAssociated network information
121.41.224.230
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
qiye163mx02.mxmail.netease.com
Port 25: Closed/unreachable - 60 ms - Port 465: Closed/unreachable - 105.4 ms - Port 587: Closed/unreachable - 86.4 ms - 220 entmail-hzmx2-aliyun.singapore.163.org ESMTP ready