sf-encyclopedia.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 560 ms crawled 2026-05-18

DE · 217.160.0.51 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: SFE: SF Encyclopedia Home Page – Monday 18 May 2026
Description: Welcome to the fourth edition of The Encyclopedia of Science Fiction.
Language: en

Technology

Server: Apache
CMS: Gatsby

Analytics

Google Analytics

Social widgets

Twitter Widget

Third-party hosts loaded (2)

platform.twitter.com×2
www.google-analytics.com×1

Social

Registration

Registrar

IONOS SE

Created

2011-06-19

Expires

2026-06-19 29 days left

Updated

2025-06-20

Name servers

ns1023.ui-dns.com
ns1025.ui-dns.de
ns1060.ui-dns.biz
ns1123.ui-dns.org

DNS records live

NS

ns1023.ui-dns.com
ns1025.ui-dns.de
ns1060.ui-dns.biz
ns1123.ui-dns.org

MX

10 mx00.ionos.co.uk
10 mx01.ionos.co.uk

Email authentication partial

SPF: v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-05-09 to 2026-11-20

Expires in 183 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sf-encyclopedia.com/

findings

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