WAPDNS.com

Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

66
Total
75
DNS
20
Email
65
Security
65
Network
100
Availability
Domainzblogcn.com
IPv48
IPv60
MX records2
StatusActive
Domain technical report

ZBlog、Z-Blog官方网站，开源免费、小巧强大的博客程序与CMS建站系统

zblogcn.com

Generated: 2026-08-08T23:02:45-05:00 · Cached result

JSONCSVPDFVisit site
IPv48
IPv60
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

8 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 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

17 day(s) remaining.

i
Certificate lifetime6 / 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 DNS30 / 30 pts · Network

PTR: 51.15.204.221.adsl-pool.sx.cn

✓
IPv4 diversity35 / 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

10 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.
221.204.15.51
42.56.64.131
116.163.31.218
218.25.106.230
116.131.57.65
116.153.4.244
116.153.4.140
36.35.39.162

AAAA

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

CNAME

1 record(s)
zblogcn.com.cdn.dnsv1.com.cn.

MX

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

TXT

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

NS

2 record(s)
arthur.dnspod.net.
topic.dnspod.net.

SOA

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

CAA

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

DS

0 record(s)
—

Not configured

DNSKEY

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

RRSIG

0 record(s)
—

Not configured

NSEC

1 record(s)
\000.zblogcn.com. A NS SOA MX TXT AAAA SRV RRSIG NSEC DNSKEY SVCB HTTPS CAA

NSEC3

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

SRV

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

NAPTR

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

TLSA

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.com.

SSHFP

2 record(s)
zblogcn.com.cdn.dnsv1.com.cn.
4ssh22c6.slt.sched.tdnsv8.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
ZBlog、Z-Blog官方网站，开源免费、小巧强大的博客程序与CMS建站系统
Description
Final URL
https://www.zblogcn.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.zblogcn.com/
Version
3
Server
openresty/1.25.3.1
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
ZeroSSL GmbH
CN
zblogcn.com
Valid from
2026-05-27T19:00:00-05:00
Valid until
2026-08-26T18:59:59-05:00
Days remaining
17
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

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
116.131.57.65, 116.153.4.140, 116.153.4.244, 116.163.31.218, 218.25.106.230, 221.204.15.51, 36.35.39.162, 42.56.64.131
551,03 ms
Cloudflare
1.1.1.1
116.131.57.65, 116.153.4.140, 116.153.4.244, 116.163.31.218, 218.25.106.230, 221.204.15.51, 36.35.39.162, 42.56.64.131
995,55 ms
Quad9
9.9.9.9
116.131.57.65, 116.153.4.140, 116.153.4.244, 116.163.31.218, 218.25.106.230, 221.204.15.51, 36.35.39.162, 42.56.64.131
640,72 ms
OpenDNS
208.67.222.222
116.131.57.65, 116.153.4.140, 116.153.4.244, 116.163.31.218, 218.25.106.230, 221.204.15.51, 36.35.39.162, 42.56.64.131
938,94 ms
AdGuard
94.140.14.14
116.131.57.65, 116.153.4.140, 116.153.4.244, 116.163.31.218, 218.25.106.230, 221.204.15.51, 36.35.39.162, 42.56.64.131
678,18 ms

IP, geolocation and ASNAssociated network information

221.204.15.51

No data
success
No
country
region
city
asn
organization
isp

42.56.64.131

No data
success
No
country
region
city
asn
organization
isp

116.163.31.218

No data
success
No
country
region
city
asn
organization
isp

218.25.106.230

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

zblogcn.com.cdn.dnsv1.com.cn

Port 25: Closed/unreachable - 191.2 ms - 
Port 465: Closed/unreachable - 4020.3 ms - 
Port 587: Closed/unreachable - 4021.6 ms -

Recently analyzed domains

View all →
ndu.edu30bc.ca4siutica.cl4adminforge.de96nwo.nl97ab.ca4120v.cn44webkit.org83dovecot.org97enamad.ir42