rianlon.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 6466 ms crawled 2026-05-10

US · 18.217.24.139 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Rianlon Corporation – A Leading Supplier of Antioxidants, Light Stabilizers, and UV Absorbers
Description: Rianlon is a globally leading provider of anti-aging additives and technologies for polymer materials. We specialize in antioxidants, light stabilizers, and customized blend solutions (U-pack®), helping customers enhance durability and weatherability in plastics, rubber, coatings, and fibers. Stock Code: 300596.
Language: en
Canonical: http://www.rianlon.com/

Open Graph

url: http://www.rianlon.com/
title: Rianlon Corporation – A Leading Supplier of Antioxidants, Light Stabilizers, and UV Absorbers
description: Rianlon is a globally leading provider of anti-aging additives and technologies for polymer materials. We specialize in antioxidants, light stabilizers, and customized blend solutions (U-pack®), helping customers enhance durability and weatherability in plastics, rubber, coatings, and fibers. Stock Code: 300596.

Technology

Server: Tengine

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

Social

Contact

Email

Phone

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2008-03-18

Expires

2027-03-18 302 days left

Updated

2026-02-25

Name servers

dns19.hichina.com
dns20.hichina.com

DNS records live

NS

dns19.hichina.com
dns20.hichina.com

MX

10 mx2.qiye.aliyun.com
15 mx3.qiye.aliyun.com
5 mx1.qiye.aliyun.com

TXT

Show 6 TXT records

_globalsign-domain-verification=XUyXFItvSxF341Km9Y0MF2EfQyclMYXSalkK2FJ8eN
MS=F5DAA168D8872DE85AD00108AE8CF86E9E8CD879
_globalsign-domain-verification=QAfUv8QBFsDzaqSwH0Xpuap0-MEdjnW68B95lrWi5G
google-site-verification=P9Uknb4SmdFL_ZB_FgKDM51ruWCrbKBzQiLtfa5U58w
_globalsign-domain-verification=UjWtdCxqT3-tGIPvDFeChv3U7H6p2FyGr5oPr42Ek_
MS=ms50762200

Email authentication strong

SPF

v=spf1 include:spf.qiye.aliyun.com -all

strict (-all)

DMARC

v=DMARC1;p=reject;rua=mailto:postmaster@rianlon.com;ruf=mailto:postmaster@rianlon.com

policy: reject (enforced)

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1gO2/ey1i534Sx8fqfNGDcc8KI5PbSRdmNh8cc9r2I4IswEwRJh04Y5gvwGutkVr31u+FjZHQiWowe…

selectors probed

Certificate (current)

GlobalSign GCC R3 DV TLS CA 2020

from 2025-07-09 to 2026-08-10

Expires in 82 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.rianlon.com/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000