Domain technical report
OSCHINA - 开源 × AI · 开发者生态社区
oschina.net
IPv40
IPv60
MX1
NS4
Analyze any domain
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37
Total
45
DNS
20
Email
73
Security
0
Network
20
Availability
Domainoschina.net
IPv40
IPv60
MX records1
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)0 / 30 pts · Dns
0 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
4 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
130 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers8 / 35 pts · Security
2 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
IPv4 diversity0 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity0 / 35 pts · Network
AAAA availability.
DNS resolution0 / 40 pts · Availability
At least one address family must resolve.
HTTP response0 / 40 pts · Availability
HTTP/1.1 405 Method Not Allowed
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
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 <<>> oschina.net A +short +time=1 +tries=1 ;; global options: +cmd ;; no servers could be reached
AAAA
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
CNAME
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
MX
1 record(s)1 mail.oschina.net.
TXT
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
NS
4 record(s)sv4.bdydns.cn. sv1.bdydns.cn. sv3.bdydns.cn. sv2.bdydns.cn.
SOA
1 record(s)sv1.bdydns.cn. sa.dudns.com. 2016135073 3600 300 2592000 120
CAA
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
DS
0 record(s)—
Not configured
DNSKEY
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
RRSIG
0 record(s)—
Not configured
NSEC
0 record(s)—
Not configured
NSEC3
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
SRV
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
NAPTR
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
TLSA
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
SSHFP
1 record(s)oschina.net-38a6d2f2a9a.baiduads.com.
SPF
Not configured—
Not configured
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
OSCHINA - 开源 × AI · 开发者生态社区
Description
Final URL
https://www.oschina.net/
HTTP status
206
HTTP
Status
HTTP/1.1 405 Method Not Allowed
Final URL
https://www.oschina.net/
Version
2
Server
ADAS/1.0.214
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
TrustAsia Technologies, Inc.
CN
*.oschina.net
Valid from
2026-06-01T19:00:00-05:00
Valid until
2026-12-17T17:59:59-06:00
Days remaining
130
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
2 activeHSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsImplemented
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
8.8.8.8180.76.198.147
529,20 ms
Cloudflare
1.1.1.1180.76.198.147
1.374,16 ms
Quad9
9.9.9.9180.76.198.147
1.589,36 ms
OpenDNS
208.67.222.222180.76.198.147
1.083,08 ms
AdGuard
94.140.14.14180.76.198.147
730,05 ms
IP, geolocation and ASNAssociated network information
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
mail.oschina.net
Port 25: Closed/unreachable - 212.2 ms - Port 465: Closed/unreachable - 5037.3 ms - Port 587: Closed/unreachable - 5034.9 ms -