promptoptbase.com

Get an email when its DNS, website or certificate changes.

promptoptbase.com serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

42,134,701 other domains share an IP address with it.

The most recent crawl returned the page title “Prompt Optimizer for OpenAI & ChatGPT Workflows” and 58,109 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.com	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	The domain redirects to https.
Redirect to www.	no	The domain redirects to www.domain.
Only with www.	no	The domain can only be reached with the subdomain "www".
Only DNS, no website	no	There are no A or AAAA records in DNS.
IP-Address	Both	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	0	Number of domains that redirect to this domain.
Reverse IP	42,134,701	Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "promptoptbase.com"}'

Create a free account Read the API docs

Similar websites

Website	Similarity
prompt-optimizer.app Prompt Optimizer for ChatGPT, Claude & Gemini Free AI prompt optimizer for ChatGPT, Claude & Gemini. Turn rough ideas into clear, testable prompts with context, constraints, and output formats.	85 %
aipromptmode.com Perfect Prompts	84 %
usepromptify.org Free AI Prompt Generator & Coding Brief Builder \| Promptify Free AI prompt generator and coding-brief builder for ChatGPT, Claude, Gemini, Codex, Cursor, and other AI tools. Turn rough requests into clear, usable inst...	84 %
umprompt.com Umprompt — Turn rough ideas into ready-to-use AI prompts Turn messy ideas into clear AI requests for writing, coding, research, everyday tasks and more. Start with an idea; Umprompt handles the structure.	84 %
needaprompt.com NeedAPrompt: The Best Prompt Manager for AI NeedAPrompt is the best prompt manager app for AI. Organize your prompts in a searchable library with templates and variables, then copy into ChatGPT, Claude...	83 %
promptneat.com Prompt Language Improver \| Free AI Prompt Optimizer \| promptneat Free prompt language improver. Paste a rough prompt and get a clearer, model-ready version with assumptions, constraints, format and copyable variants. No si...	83 %
prompt01.com Prompt 01 \| Organize, Build, and Share AI Prompts Prompt 01 gives you a trusted home for AI prompts with builder workflows, templates, instant sharing, analytics, and browser capture.	82 %
prompty.ai prompty.ai Prompty is a markdown file format for LLM prompts — define model config, inputs, tools, templates, and agentic controls in YAML frontmatter, then execute acr...	82 %
aetherify.app Aetherify — AI Prompt Optimizer for ChatGPT, Claude & Gemini Aetherify is the AI prompt optimizer that turns rough ideas into perfect prompts. Save, enhance, and reuse prompts with dynamic variables. Works inside ChatG...	82 %
promptzap.io PromptZap: turn a rough idea into a structured AI prompt PromptZap is a free beta for turning rough instructions into structured, reusable prompts and AI workflows. Sign up for 5 prompt optimizations per day, use t...	82 %
promptrefiner.io PromptRefiner — Better prompts, better AI answers Chrome extension that turns rough ideas into clear, structured prompts in one click — right inside ChatGPT, Claude, and Gemini. Get the answer you wanted on...	82 %
dyph.io dyph — verified MCP tool definitions Most MCP servers are generated blind and quietly break. dyph reads the OpenAPI spec, then calls read endpoints against the live API and records what actually...	82 %
codeprompter.app CodePrompter - AI Engineering Prompt System Generate structured engineering-grade prompts for AI coding tools. Stop guessing what to ask AI and start building.	82 %
detailum.com Detailum — Structured Prompts for AI Agents Detailum helps developers and founders turn rough thoughts into clear, structured prompts for AI agents.	82 %
promptica.store Promptica Organize your AI chats with prompt history, bookmarks, and templates inside ChatGPT, Claude, Gemini, and Grok.	82 %
quillset.app Best Offline AI Prompt Manager — Local-First for macOS & Windows The best offline AI prompt manager for macOS, Windows, and Linux. Organize prompts locally with no account needed — supports Claude, ChatGPT, Gemini, and age...	82 %
packcode.dev PackCode — Sharper prompts for any AI Turn any idea, file, or codebase into a token-efficient prompt. Sharper answers from Claude, GPT, Gemini, Cursor and more.	82 %
aptas.io Aptas Prompt Optimizer - The fastest way to write better AI prompts Aptas optimizes, shortens, and sharpens your prompts so you get better AI output in a single pass. Works across ChatGPT, Claude, Gemini, Cursor, and every ma...	82 %
intelligenceprompting.com Free AI Prompt Builder & Expert Prompting Guides Turn a rough request into a structured, reusable AI prompt. Build locally in your browser, then explore reviewed prompt systems and practical prompting guides.	82 %
promptgarage.space Prompt Garage — AI Prompt Engineering Studio for DeepSeek, Llama & Gemini Prompt Garage is a free AI prompt engineering studio. Generate, optimize, refine, score and organize prompts across DeepSeek, Llama, Gemini and OpenRouter mo...	82 %

Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer	Google Trust Services
Valid from	9/25/2026
Valid to	12/24/2026
Time until expiry	63 days

Last successful crawl

Title	Prompt Optimizer for OpenAI & ChatGPT Workflows
Description	Paste a draft prompt and get a clearer, structured rewrite for ChatGPT and GPT-style workflows. Runs in your browser — no account, no model API. Your text stays on your device.
Content-Length	58,109 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	Last updated
104.21.85.44	7/14/2026
172.67.202.72	7/14/2026

IPv6 address	Last updated
2606:4700:3030:0:0:0:6815:552c	7/14/2026
2606:4700:3035:0:0:0:ac43:ca48	7/14/2026

Mail server	Priority	Last updated
route1.mx.cloudflare.net	30	7/14/2026
route2.mx.cloudflare.net	71	7/14/2026
route3.mx.cloudflare.net	92	7/14/2026

Name server	Last updated
dax.ns.cloudflare.com	7/14/2026
isla.ns.cloudflare.com	7/14/2026

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

188.114.96.3 10,577,734 domains · here since 9/24/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzz.my.id	10/21/2026
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	9/13/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
and 10,577,721 more

188.114.97.3 10,577,732 domains · here since 9/24/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzz.my.id	10/21/2026
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	9/13/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
and 10,577,719 more

2a06:98c1:3120::3 10,489,619 domains · here since 9/24/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzz.my.id	10/21/2026
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	10/19/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
and 10,489,606 more

2a06:98c1:3121::3 10,489,616 domains · here since 9/24/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzz.my.id	10/21/2026
zzzzzzzzz.xyz	10/6/2026
zzzzzzzzz.org	10/19/2026
zzzzzzzzum.icu	10/13/2026
zzzzzzzoes.site	10/16/2026
zzzzzzys.com	9/19/2026
zzzzzyl1.cn	10/14/2026
zzzzzwwwppodjfdkodkloq.com	9/28/2026
zzzzzssss55.online	9/16/2026
zzzzzssss55.buzz	9/20/2026
zzzzzsss77.online	9/20/2026
zzzzzssj.com	9/14/2026
and 10,489,603 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.

Dive into our data, search now!