indexo.dev

columbiabooks.com

.com crawl

First seen 2026-04-23 · Last seen 2026-05-17 · ok HTTP/1.1 200 9180 ms crawled 2026-05-17

US · 107.23.119.67 · AS14618 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Columbia Books and Information Services

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Phone

Registration

Registrar
easyDNS Technologies Inc.
Created
1997-10-24
Expires
2027-01-20 246 days left
Updated
2026-01-09
Name servers
  • celine.ns.cloudflare.com
  • clint.ns.cloudflare.com

DNS records

Email authentication partial

SPF
v=spf1 ip4:205.201.40.0/21 ip4:66.162.67.99 ip4:66.162.67.114 ip4:66.162.67.41 ip4:66.192.112.49 ip4:66.192.112.62 ip4:66.192.112.72 ip4:64.132.221.30 ip4:13.110.0.0/16 ip4:107.23.119.137 ip4:34.192.4.7 ip4:107.23.119.67 ip4:54.208.248.178 ip4:107.23.118.103 ip4:34.228.132.146 ip4:52.4.177.45 ip4:52.5.39.190 ip4:52.5.97.93 ip4:54.208.82.109 include:informz.net include:cust-spf.exacttarget.com include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:it@columbiabooks.com; ruf=mailto:it@columbiabooks.com; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGShv8lnav+nIJzWwFV+nw3/yfGLIR7WYfo4uHMLQSj15PxWp1e5eRR44lgAGzZWJdOaTj8mqhuJkbhECVDo…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvr3mS31ufjyaMGL0RmbSnKZL4gd3P/ZYYiMbsNwBabhAQFjlwXypNueRu1mA7soDY7dJdV5EL//eZD…
selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-11-26 to 2026-12-28
Expires in 224 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.columbiabooks.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
no-referrer
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (8)

Linked from (2)