Track domain expiry dates automatically with WHOIS lookups in Sheets

Checks WHOIS records for every domain on your list and writes the expiry date back into your sheet.

How the work actually flows

It repeats. Repeats move to next domain.

Pattern: Structured Loop (21)

flowchart TD trig(("start check from sheet")):::human s0[("read domain list")]:::store s1["look up whois expiry"]:::svc s2["format expiry date"]:::task s3[("update sheet row")]:::store trig --> s0 s0 --> s1 s1 --> s2 s2 --> s3 lp{"all domains checked"}:::gate s3 --> lp lp -. "move to next domain" .-> s1 lp -->|"finished"| out out[/"updated expiry dates in sheet"/]:::out pay{{"avoid missed domain renewals"}}:::pay out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
A stepAn outside serviceA personA record or sheetRepeat or finishResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
Spreadsheet & Database Ops
Connects
Google SheetsWHOIS API

The problem it solves

Keeping track of when dozens of domains expire means checking each one manually or risking an outage when a renewal is missed. You end up bouncing between registrar sites just to confirm a date.

Who it fits

Agencies, hosting managers, or businesses that manage many domains and need to avoid missed renewals.

How it works

  1. You start the check from your list of domains in Google Sheets
  2. Each domain is looked up through the WHOIS API for its expiry date
  3. The expiry timestamp is converted into a readable date, month, and year
  4. Your sheet is updated row by row with a short pause between each domain
What you get

Domains renewed before anyone notices they almost lapsed

You get every domain's expiry date checked and logged automatically, so renewals never catch your team by surprise.

What you get

An updated spreadsheet showing the current expiry date for every domain you track.

What you need

A Google Sheets account and a WHOIS API subscription.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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