sulfurbooks.com

.com crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 4378 ms crawled 2026-05-20

US · 35.212.114.247 · AS15169 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

sector other type homepage

HTML metadata

Title
Sulfur Books – Small. Local. Independent.
Language
en-US
Generator
Site Kit by Google 1.178.0
Canonical
https://sulfurbooks.com/
Feeds

Technology

Server
nginx
CMS
WordPress 1.178.0 outdated (current 6.8)
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×2

Social

Registration

Registrar
Tucows Domains Inc.
Created
2019-10-24
Expires
2026-10-24 156 days left
Updated
2025-10-09
Name servers
  • ns1.siteground.net
  • ns2.siteground.net

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 +a +mx +ip4:35.212.114.247 include:sulfurbooks.com.spf.auto.dnssmarthost.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; aspf=r; adkim=r;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8hZvYM0Yu7jw7rwH5qKAH6KL+TkZy0Trt3nkOi23XNniMfhWUkJpF9nNdoDCkYVjAE1VNJnRvBzHi4bIC5l…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-19 to 2026-08-17
Expires in 88 days

HTTP security headers

Header hygiene 40/100 Checked live page: https://sulfurbooks.com/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (4)

Linked from (1)