Advanced iframe debug console – l: local messages, r: remote messages
User agent: CCBot/2.0 (https://commoncrawl.org/faq/)

Headers of https://docs.google.com/forms/d/e/1FAIpQLSctphTx3zSzsVIuBlJLDgy4VJiyIbWXAph3PRg_VM7U-Le4FA/viewform?usp=sf_link:
HTTP/2 200
content-type: text/html; charset=utf-8
x-robots-tag: noindex, nofollow, nosnippet
cache-control: no-cache, no-store, max-age=0, must-revalidate
pragma: no-cache
expires: Mon, 01 Jan 1990 00:00:00 GMT
date: Mon, 17 Jun 2024 13:11:52 GMT
content-security-policy-report-only: report-uri https://csp.withgoogle.com/csp/forms/prod;frame-ancestors ‘none’
content-length: 60108
p3p: CP=”This is not a P3P policy! See g.co/p3phelp for more info.”
content-security-policy: require-trusted-types-for ‘script’;report-uri https://csp.withgoogle.com/csp/docs-tt
content-security-policy: base-uri ‘self’;object-src ‘none’;report-uri https://csp.withgoogle.com/csp/forms/prod;script-src ‘report-sample’ ‘nonce-ZGp9Q1QSsT4gAzPTyfwXqA’ ‘unsafe-inline’ ‘strict-dynamic’ https: http: ‘unsafe-eval’
reporting-endpoints: default=”/forms/d/e/1FAIpQLSctphTx3zSzsVIuBlJLDgy4VJiyIbWXAph3PRg_VM7U-Le4FA/web-reports?context=eJwNy39M1HUcx_FPn-_7Iz8uDLHZNKPBykzHdV5YLuC4u-_dwd0fYpR87g8NLY8k5IdAh7AEajOiBoEOQ127H-IKk4UZFRUNJ9eAxebYTHO1lKhACDm5kx-1u15_PLbnP8_4pdgwk8wTK1mPRrLFBMnOJkqWnCRZYJ1kaY9IVvekZFvTJDuulaw8XbIms2SdMG6VbAKu75fsb4g7INl6CJVKRmWS1VdL1gpFdZK54UajZFOwo0WyXPilTbJp2N0hmQsinZKtPiVZyo-SbYPhq3jgTkiyFXCHJXsXeh91skGIS3ay9ZADErpfcbJ-YG4nS4T7T8_wCET3BHnM3iA3HAxyG_RcCfI-uHv7Hl-E2d0LPASHGxZ4LUS1YR7zTJj36MK8D5R3wlwDwZJFvgwia4knwCTMwoRrid-BhveXeBNERpb5qtFl_kHSCj8Byb4VvgkG8yN8GOJZlCfB5MYonwVnbZTvg9a6KD8JpkSm2GGwjCnDUN7ClRrI83JFwpYAV_TwyRhXPofmW1xphxpFURpgY5OiPAGtfyrKSdh19wVywnRDBgWhbTqDOuFEOIPOwM2PMmkC4noyaQ1setZAWljtMtA6cIhsygeDKZtssHMkmwpg4A0jBSB03kj_QfM1I7XD0RwTHYP3ck3UBi0OE3XAjkYTGaH8HxPVwNudZmqGlz8z0x4IXDDTGPT-bKZvoMWgUgd0V6h0EfLcKkkYqFMpAL-2qzQJW3pV0kPHFyp9DIeuqVQN9hmVXoRLQZW-g5KHLFQFKykW4qkWmjdbaAn6-y10GXIGLZQH389YaAiMa6y0C-ZSrBSBC8VW-hICh600Bhs8VkqFqwNWugFTf1lpHvYV2eggpByx0Tb4KiaXfoC5hFy6D2neXNoOmrV2WgsLtXb6FzJjHGSBnfEOKoC8lzxCwvVGj_gdqr_2iLfAfcUj6sH0h0fYYWjOI36Coy6vOAZTJV4xD8Fur1iGzb95hQ4qbnvFEdgb8goXjD7gEzfhHnDuE6WP-cSb8O1rPjEK5i6fcIDS6xMaOLfVL_pgu9YvsqA_yy8uw1N9fvE8HB_xi9NQ-OFZ8TqU5XeJeth8qEvooPv8OXERHhz_VDwMSZrYU7ODl1Yl3hoaf3xDbEGxq8ZWXlmamrq_oqIqrQhZpS2qdLleLa48UKjX6dN1z-nStTp9YYX-f3N-tCo&build-label=apps-forms.freebird_20240604.02_p2&imp-sid=CMCI2avb4oYDFTT3SgAdZZ8JFQ&is-cached-offline=false”
referrer-policy: origin
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
server: GSE
set-cookie: S=spreadsheet_forms=lj1t0T-Q258D6w600sQPPpYkzqc440ETMclcW1RplGg; Domain=.docs.google.com; Expires=Mon, 17-Jun-2024 14:11:53 GMT; Path=/forms/d/e/1FAIpQLSctphTx3zSzsVIuBlJLDgy4VJiyIbWXAph3PRg_VM7U-Le4FA; Secure; HttpOnly; SameSite=none
set-cookie: COMPASS=spreadsheet_forms=CjIACWuJV5zt1mwfcpxbUoeuykCHCKTqt5l_UtE6pe5Os5XrYjHjQ1j2L1-XDpWAJfkCsBCpiMGzBhpDAAlriVffrUEY_0lelD530kFb47vae5yp7K58wWvidNh3iszrUGlpYR9ajenesRcpKpfCEW4rX4hgxe1xkGs_d1GUYw==; Domain=.docs.google.com; Expires=Mon, 17-Jun-2024 14:11:53 GMT; Path=/forms/d/e/1FAIpQLSctphTx3zSzsVIuBlJLDgy4VJiyIbWXAph3PRg_VM7U-Le4FA; Secure; HttpOnly; SameSite=none
set-cookie: NID=515=YLivy9LwwaFm0G4zSWjf2roj9lSduH3sSGRgS0uVk9lSPTas3ADSti16PTLOurMiV6ZZvATwv_P-EbI_nZ89n2jCQQZ1-re9UbCwjX0wfngtbKv-BYXUKK6Xnyju8ko8djHGflC8hO_DTrYpXM69nIn69XGvod5BMR_mzdkwPxM; expires=Tue, 17-Dec-2024 13:11:52 GMT; path=/; domain=.google.com; HttpOnly
alt-svc: h3=”:443″; ma=2592000,h3-29=”:443″; ma=2592000

The page does exist and no X-Frame-Options header was found. But there can still be a iframe blocker script on this page. Go here for a full check.