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Total

DNS

Email

Security

Network

Availability

Domain53kf.com

IPv41

IPv60

MX records1

StatusActive

Domain technical report

网站微信快手抖音客服系统-80万家企业-免费试用【53快服】

53kf.com

15年，80万家企业，与百度、腾讯、今日头条、360、搜狗、UC、神马等合作商深度产品集成。在线客服系统，网站客服系统，微信客服系统，快手抖音客服系统、智能客服系统。

Generated: 2026-08-09T14:23:51-05:00 · Cached result

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IPv41

IPv60

MX1

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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

81 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 response0 / 40 pts · Availability

HTTP/1.0 403 Forbidden

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

101.66.249.208

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 mx.mail.ym.163.com.

TXT

3 record(s)

"v=spf1 include:spf.163.com include:easeye-edm.com ~all"
"google-site-verification=WlNeTPTNr9JO4063f44R-UotDDdSwmr4Un4U1aK3Zus"
"google-site-verification=f5ipYvsH1pxeZlkkpp_L6M2L4IjSDjM7CeCAVMODx3g"

NS

2 record(s)

vip4.alidns.com.
vip3.alidns.com.

SOA

1 record(s)

vip3.alidns.com. hostmaster.hichina.com. 2025121607 3600 1200 86400 600

CAA

0 record(s)

—

Not configured

DS

1 record(s)

54931 13 2 926F0BE7C07259CD107D1D9F5DF427E8A66150FA062381CBCDB5B883 4D581216

DNSKEY

2 record(s)

256 3 13 jVGgtCVxRTleGa/MyeSuvmjMUTsfDQ1GBrt5geJqR99eDq0MYlvg59pK LKhKRSfX4IGKX+qpyhg5pjXYFhi6YA==
257 3 13 kR+upPaKTGMu7KE9aUrls8Y/AERcgAnPlIg/wamg9Ie411ah9a6eOgfb fkWVz/OcmBPYtnhiQ62NPrOUuKm4Hg==

RRSIG

3 record(s)

;; communications error to 69.64.44.20#53: timed out
NS 13 2 86400 20260810202340 20260808182340 56113 53kf.com. 20enF0CLbgEzG4Dc7XMiDh8bYGzgOSdLo86Ae6i/1cR8xEFjBjVuK5+M 9Yw0mAHHgapI2v+xOOwgev3MjjNMOg==
DS 13 2 86400 20260816014005 20260809003005 41446 com. SRuTNeQX/I2YbyZacQC3Rw2ghlH8ds6411xYu/j464OeZkmbvJDZ7r2V M/e2EN1wi9t5Pf7h3o9G2+jp2PDm/g==

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

Configured

v=spf1 include:spf.163.com include:easeye-edm.com ~all

DMARC

Not configured

—

Not configured

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

网站微信快手抖音客服系统-80万家企业-免费试用【53快服】

Description

Final URL

https://www.53kf.com/

HTTP status

200

HTTP

Status

HTTP/1.0 403 Forbidden

Final URL

https://www.53kf.com/

Version

Server

openresty

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

*.53kf.com

Valid from

2026-04-13T19:00:00-05:00

Valid until

2026-10-29T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

0 active

—

HSTSNot 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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

101.66.249.208

60,25 ms

Cloudflare

1.1.1.1

101.66.249.208

62,16 ms

Quad9

9.9.9.9

101.66.249.208

135,41 ms

OpenDNS

208.67.222.222

101.66.249.208

60,20 ms

AdGuard

94.140.14.14

101.66.249.208

208,57 ms

IP, geolocation and ASNAssociated network information

101.66.249.208

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mx.mail.ym.163.com

Port 25: Closed/unreachable - 59.8 ms - 
Port 465: Closed/unreachable - 271.7 ms - 
Port 587: Closed/unreachable - 412.2 ms - 220 gyproxy-mx2-ym-entmail-virt132.gy.ntes ESMTP ready

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