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72
Total
70
DNS
90
Email
57
Security
20
Network
100
Availability
Domainsrbfbearings.com
IPv41
IPv60
MX records3
StatusActive
Domain technical report

Shandong Saima Mechanical Technology Co., Ltd. 

srbfbearings.com

2

Generated: 2026-08-11T00:00:30-05:00 · Cached result

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IPv41
IPv60
MX3
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

3 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

13 day(s) remaining.

i
Certificate lifetime2 / 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.

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)
8.140.236.241

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

3 record(s)
;; communications error to 69.64.44.20#53: timed out
1 hzmx01.xmail.ntesmail.com.
1 hzmx02.xmail.ntesmail.com.

TXT

1 record(s)
"v=spf1 include:spf.ntesmail.com -all"

NS

2 record(s)
dns9.hichina.com.
dns10.hichina.com.

SOA

1 record(s)
dns9.hichina.com. hostmaster.hichina.com. 2026042811 3600 1200 86400 600

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

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

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.ntesmail.com -all

DMARC

Configured
v=DMARC1; p=quarantine; fo=1; ruf=mailto:dmarc@ntesmail.com; rua=mailto:dmarc_report@ntesmail.com

DKIM

Selector default
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAldr9ShhgWpK4zpyi33I2odw03ku0bqpwjG7xf8Co/z65KQn7E04lpDIZjmsG+KyBW0QpHKCOyneZ5A5BA90EvnMecYne7iOVnjwoJsr/4sZehzByF290P4GE06G0lQPGpGIolA4qDTpK0YsDlxZq9nHO1ORGuCq0UmMhQzYc+8YYsl0uVl+MWOizOkb7v0TOYJ2R1xMj2T9FLowyTBbtxQTjX+fJEdgGnYto8LTfQym3zahYt7ftPn8p2ocmUy5SsmbB2wJFnmTttckZV13CQSR3QmnQNsfjIz0GWasl/fpFLdE1q8lmmWgtBrxLf7v5iyuJ9WK93OmP7oirg8UYNQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Shandong Saima Mechanical Technology Co., Ltd. 
Description
2
Final URL
https://srbfbearings.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://srbfbearings.com/
Version
3
Server
Microsoft-IIS/10.0
X-Powered-By
ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
srbfbearings.com
Valid from
2026-05-26T19:00:00-05:00
Valid until
2026-08-24T18:59:59-05:00
Days remaining
13
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES256-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
8.140.236.241
293,54 ms
Cloudflare
1.1.1.1
8.140.236.241
480,10 ms
Quad9
9.9.9.9
8.140.236.241
297,51 ms
OpenDNS
208.67.222.222
8.140.236.241
1.921,74 ms
AdGuard
94.140.14.14
8.140.236.241
393,01 ms

IP, geolocation and ASNAssociated network information

8.140.236.241

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

out

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 1.2 ms - 
Port 587: Closed/unreachable - 1.1 ms -

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