xuehua.us
www.xuehua.us | 502: Bad gateway

Error

!No Description No Keywords

Technical Rating

XSS attack - not protected. HTTP header "X-XSS-Protection" not found

User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

!HTTP request response - 502

HTTPS request response - 200

Redirect from HTTP to HTTPS

iHTTP redirect: https://www.xuehua.us/

iHTTPS redirect: https://www.xuehua.us/

Server response time 1,039 sec

HTML load time 0,864 sec

iHTML length: 5500

!Favicon link not found

iNumber of IMGs: 0

Adapted for mobile devices. It uses the VIEWPORT tag

Uses robots.txt

!Doesn't use a sitemap

DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Xuehua.us

iUS San Francisco 101 Townsend Street

101, Townsend Street, South Beach, San Francisco, San Francisco City and County, San Francisco, California, 94017, United States

Technical Information

iServer: cloudflare

iXuehua.us created 7 year(s) 8 month(s) 3 day(s) ago (2017-06-26)

iRegistration period ends in 4 month(s) 3 day(s) (2025-06-25)

iXuehua.us is registered in the NAMECHEAP, INC.

iXuehua.us registered to NameSilo NameSilo

iСontacts: [email protected]

iNameservers: lana.ns.cloudflare.com, jobs.ns.cloudflare.com

iIPv4: 104.21.86.199, 172.67.136.154

iIPv6: 2606:4700:3036::ac43:889a, 2606:4700:3036::6815:56c7

iDNS TXT Records: "v=spf1 include:mailgun.org ~all"
"google-site-verification=OtsTgPWxNyqt16ouOKiHbw5pkRq1V5TWevZ3XLeS9xQ"

iDNS Mail Records: 10 mxa.mailgun.org., 10 mxb.mailgun.org.

iDMARC Mail Anti Spam Records: 104.21.86.199, 172.67.136.154

iAuthor Domain Signing Practices Mail Records: 104.21.86.199, 172.67.136.154

iDNS Certification Authority Authorization Records: 0 issue "digicert.com; cansignhttpexchanges=yes", 0 issuewild "digicert.com; cansignhttpexchanges=yes", 0 issue "comodoca.com", 0 issue "digicert.com", 0 issue "letsencrypt.org", 0 issuewild "comodoca.com", 0 issuewild "digicert.com", 0 issuewild "letsencrypt.org"

iRaw DNS Information

A: 104.21.86.199
A: 172.67.136.154

AAAA: 2606:4700:3036::ac43:889a
AAAA: 2606:4700:3036::6815:56c7

TXT: "v=spf1 include:mailgun.org ~all"
TXT: "google-site-verification=OtsTgPWxNyqt16ouOKiHbw5pkRq1V5TWevZ3XLeS9xQ"

MX: 10 mxa.mailgun.org.
MX: 10 mxb.mailgun.org.

DMARC: 104.21.86.199
DMARC: 172.67.136.154

ADSP: 104.21.86.199
ADSP: 172.67.136.154
CAA: 0 issue "digicert.com; cansignhttpexchanges=yes"
CAA: 0 issuewild "digicert.com; cansignhttpexchanges=yes"
CAA: 0 issue "comodoca.com"
CAA: 0 issue "digicert.com"
CAA: 0 issue "letsencrypt.org"
CAA: 0 issuewild "comodoca.com"
CAA: 0 issuewild "digicert.com"
CAA: 0 issuewild "letsencrypt.org"