indexo.dev

tenderbooks.co.uk

.uk crawl

First seen 2026-04-15 · Last seen 2026-05-20 · ok HTTP/1.1 200 1956 ms crawled 2026-05-10

CA · 23.227.38.32 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Tenderbooks
Description
Tenderbooks supports independent artist publications, artist research and original print editions, along with a series of late night events and publication laun
Canonical
https://tenderbooks.co.uk/

Open Graph

url
https://tenderbooks.co.uk/
title
Tenderbooks
site name
Tenderbooks
description
Tenderbooks supports independent artist publications, artist research and original print editions, along with a series of late night events and publication laun

Technology

CDN
Cloudflare
CMS
Shopify

Third-party hosts loaded (4)

  • cdn.shopify.com×5
  • shop.app×2
  • ajax.googleapis.com×1
  • monorail-edge.shopifysvc.com×1

Social

Contact

Email
Phone

Registration

Registrar
Ionos SE
Created
2014-04-24
Expires
2027-04-24 338 days left
Updated
2026-04-23
Name servers
  • ns1049.ui-dns.biz.
  • ns1054.ui-dns.org.
  • ns1089.ui-dns.de.
  • ns1094.ui-dns.com.

DNS records live

NS
  • ns1049.ui-dns.biz
  • ns1054.ui-dns.org
  • ns1089.ui-dns.de
  • ns1094.ui-dns.com
MX
  • 10 mx00.ionos.co.uk
  • 10 mx01.ionos.co.uk
Verified for
  • Brevo

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

E7
from 2026-03-29 to 2026-06-27
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://tenderbooks.co.uk/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-security
max-age=7889238

Links to (2)

Linked from (6)