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bj137.com

.com ok HTTP/1.1 200 1551 ms

First seen 2026-06-07 · Last seen 2026-06-07 · crawled 2026-06-07

CN · 211.149.239.13 · AS38283 CHINANET SiChuan Telecom Internet Data Center

Reputation 100/100

sector b2b services type homepage

HTML metadata

Title
换热器清洗_换热器维修_北京_金石永泰公司
Description
北京金石永泰科技有限公司,【有27年丰富的换热器清洗维修经验】,您只要来电133 9170 8622,为您提供专业的板式换热器清洗、维修方案和价格参考。

Contact

Technology

Server
wts

Registration

Registrar
Xin Net Technology Corporation
Created
2015-03-18
Expires
2027-03-18 270 days left
Updated
2026-01-30
Name servers
  • ns17.xincache.com
  • ns18.xincache.com

DNS records live

NS
  • ns17.xincache.com
  • ns18.xincache.com
CNAME
  • bj137.gotoip55.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

TrustAsia DV TLS RSA CA 2025
from 2026-04-30 to 2026-07-29
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://bj137.com/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Links to (1)

Linked from (1)

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