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57
Total
70
DNS
0
Email
69
Security
20
Network
100
Availability
Domainyakjk.com
IPv41
IPv60
MX records0
StatusActive
Domain technical report

贵州源安康杏林学校-源安康中医培训

yakjk.com

贵州源安康杏林学校坐落于避暑之都——爽爽的贵阳，是一家集中医职业技能培训、中医诊疗服务，教育信息咨询、中医养生保健服务、美容服务、健康产品生产销售、中医养生理疗实体门面运营、会议服务、生物科技领域内的技术研发、技术咨询、技术转让；企业管理咨询服务、医疗器械等服务的大型综合性服务公司。

Generated: 2026-08-09T17:44:34-05:00 · Cached result

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IPv41
IPv60
MX0
NS6

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

6 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 records0 / 20 pts · Mail

0 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.

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)
211.149.200.189

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

0 record(s)
—

Not configured

NS

6 record(s)
ns6.myhostadmin.net.
ns2.myhostadmin.net.
ns5.myhostadmin.net.
ns3.myhostadmin.net.
ns4.myhostadmin.net.
ns1.myhostadmin.net.

SOA

1 record(s)
ns1.myhostadmin.net. dnsconct.myhostadmin.net. 2018071458 43200 300 1209600 3600

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

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

1 record(s)
;; communications error to 69.64.44.20#53: timed out

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
贵州源安康杏林学校-源安康中医培训
Description
贵州源安康杏林学校坐落于避暑之都——爽爽的贵阳，是一家集中医职业技能培训、中医诊疗服务，教育信息咨询、中医养生保健服务、美容服务、健康产品生产销售、中医养生理疗实体门面运营、会议服务、生物科技领域内的技术研发、技术咨询、技术转让；企业管理咨询服务、医疗器械等服务的大型综合性服务公司。
Final URL
https://yakjk.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://yakjk.com/
Version
3
Server
wits/1.17
X-Powered-By
ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
www.yakjk.com
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

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
211.149.200.189
303,72 ms
Cloudflare
1.1.1.1
211.149.200.189
731,80 ms
Quad9
9.9.9.9
211.149.200.189
270,03 ms
OpenDNS
208.67.222.222
211.149.200.189
880,11 ms
AdGuard
94.140.14.14
211.149.200.189
291,64 ms

IP, geolocation and ASNAssociated network information

211.149.200.189

Identified
success
Yes
country
China
country_code
CN
region
Sichuan Sheng
city
Chengdu
latitude
30.5722637
longitude
104.0674812
asn
38283
organization
Chengdu west dimension digital technology Co., LTD
isp
CHINANET SiChuan Telecom Internet Data Center
timezone
Asia/Shanghai

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

yakjk.com

Port 25: Closed/unreachable - 1.7 ms - 
Port 465: Closed/unreachable - 4020.9 ms - 
Port 587: Closed/unreachable - 4229.8 ms -

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