indexo.dev

marinebiology.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 2100 ms crawled 2026-05-15

US · 104.21.50.18 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
marinebiology

Technology

CDN
Cloudflare

Registration

Registrar
Cloudflare, Inc.
Created
1998-10-28
Expires
2026-10-27 159 days left
Updated
2025-10-02
Name servers
  • nick.ns.cloudflare.com
  • ruth.ns.cloudflare.com

DNS records live

NS
  • nick.ns.cloudflare.com
  • ruth.ns.cloudflare.com
MX
  • 0

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: v=DKIM1; p=
  • s2: v=DKIM1; p=
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

WE1
from 2026-04-26 to 2026-07-25
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://marinebiology.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)