yank.ai

.ai crawl

First seen 2026-04-19 · Last seen 2026-05-16 · ok HTTP/1.1 200 3570 ms crawled 2026-05-13

US · 162.0.212.4 · AS22612 Namecheap, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Kai Yan
Description: Kai Yan Blog
Language: zh-Hans

Technology

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

cdn.jsdelivr.net×3
fonts.googleapis.com×1
i0.hdslb.com×1
kyan.ai×1
www.googletagmanager.com×1

Registration

Registrar

NameCheap, Inc.

Created

2020-02-04

Expires

2028-02-04 626 days left

Updated

2025-12-11

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 mx2-hosting.jellyfish.systems
20 mx3-hosting.jellyfish.systems
5 mx1-hosting.jellyfish.systems

TXT

google-site-verification=qOEQT1jRQ3t_-UIJWCe73dxzQvXxsmLSlReTfv2Yia4

Email authentication weak

SPF

v=spf1 +a +mx +ip4:162.254.39.110 include:spf.web-hosting.com ~all

softfail (~all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxfunJ8XCH2ojNGKtpjYNNyoVatev9fgpdbNJtEDfN4jvjagcD1XA2QD5kUL3KVm4AfvANZefSNgr++…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-12-11 to 2027-01-12

Expires in 238 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://yank.ai/

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; includeSubDomains