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61
Total
70
DNS
20
Email
69
Security
20
Network
100
Availability
Domaincnblogs.com
IPv41
IPv60
MX records7
StatusActive
Domain technical report

博客园 - 开发者的网上家园

cnblogs.com

博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。

Generated: 2026-08-08T21:04:47-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX7
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 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

7 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

185 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 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)
101.37.97.51

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

7 record(s)
10 aspmx3.googlemail.com.
10 aspmx5.googlemail.com.
10 aspmx.l.google.com.
10 aspmx4.googlemail.com.
10 alt1.aspmx.l.google.com.
10 alt2.aspmx.l.google.com.
10 aspmx2.googlemail.com.

TXT

2 record(s)
"aliyun-site-verification=440c2c9c-1adc-4cd2-b695-fa21c7614056"
"google-site-verification=kdUMdsdtBuGBYKs3uIk-9G9dRQADgkionurDPeUnhC8"

NS

2 record(s)
vip3.alidns.com.
vip4.alidns.com.

SOA

1 record(s)
vip3.alidns.com. hostmaster.hichina.com. 2026060216 3600 1200 86400 600

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

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

NSEC

0 record(s)
—

Not configured

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

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
博客园 - 开发者的网上家园
Description
博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。
Final URL
https://www.cnblogs.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.cnblogs.com/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.cnblogs.com
Valid from
2026-02-10T18:00:00-06:00
Valid until
2027-02-10T17:59:59-06:00
Days remaining
185
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active
✓
HSTSImplemented
—
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
101.37.97.51
86,86 ms
Cloudflare
1.1.1.1
101.37.97.51
129,22 ms
Quad9
9.9.9.9
101.37.97.51
77,72 ms
OpenDNS
208.67.222.222
101.37.97.51
88,52 ms
AdGuard
94.140.14.14
101.37.97.51
251,98 ms

IP, geolocation and ASNAssociated network information

101.37.97.51

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

aspmx3.googlemail.com

Port 25: Closed/unreachable - 23 ms - 
Port 465: Closed/unreachable - 4043.2 ms - 
Port 587: Closed/unreachable - 4021.6 ms -

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