indexo.dev

grand-tec.com

.com crawl

First seen 2026-05-06 · Last seen 2026-05-06 · ok HTTP/1.1 200 6486 ms crawled 2026-05-12

HK · 8.218.60.77 · AS45102 Alibaba US Technology Co., Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
首页
Language
zh-cn
Canonical
https://grand-tec.com/

Open Graph

url
https://grand-tec.com/
title
首页

Technology

Server
nginx
CMS
Gatsby

Registration

Registrar
22net, Inc.
Created
2011-09-09
Expires
2026-09-09 112 days left
Updated
2025-03-12
Name servers
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net

DNS records live

NS
  • f1g1ns1.dnspod.net
  • f1g1ns2.dnspod.net
MX
  • 10 mxgw.szhicom.hk
  • 20 usgw.mail-avs.hk
  • 5 mail.grand-tec.com
TXT
  • MS=ms61553643

Email authentication strong

SPF
v=spf1 ip4:183.62.171.2 a:spf1.mail-avs.net a:spf2.mail-avs.net a:spf3.mail-avs.net ip4:173.254.214.90 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:admin@grand-tec.com; ruf=mailto:admin@grand-tec.com; sp=reject;
policy: quarantine · sp=reject
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2026-05-09 to 2026-11-10
Expires in 174 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://grand-tec.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Links to (1)

Linked from (1)