indexo.dev

certifier.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 259 ms crawled 2026-05-18

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Certifier | #1 Certificate Maker Software
Description
Certifier is the leading software to create, issue, and verify certificates in bulk. An AI-powered platform for managing digital certificates, credentials, and badges.
Language
en
Canonical
https://certifier.io
Translations
  • de
  • en
  • es
  • fr
  • pl

Open Graph

url
https://certifier.io
title
Certifier | #1 Certificate Maker Software
locale
en_US
site name
Certifier
description
Certifier is the leading software to create, issue, and verify certificates in bulk. An AI-powered platform for managing digital certificates, credentials, and badges.

Technology

CDN
Vercel
CMS
Next.js

Third-party hosts loaded (2)

  • res.cloudinary.com×98
  • assets.pinterest.com×1

Social

Contact

Phone
Address
Dolnych Młynów 3/1, 31-124, Cracow, Małopolskie, PL

DNS records live

NS
  • glen.ns.cloudflare.com
  • liv.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 6 TXT records
  • zoom-domain-verification=ZOOM_verify_e5c48ee73df54312a05f1100eeb87f88
  • MS=ms98500540
  • google-site-verification=70NxpEIsMw0of166Wo0iWwy7I0ppQKDzDVkQpj6FD7c
  • google-site-verification=QcdeWG37nxRNGWTOqadbYeeO3NwPsZBP30DOZxx-lz4
  • hubspot-developer-verification=ZGQ3MDhmNzUtN2FlMC00ZmVhLTlkNDgtMGQ3NTY2MDRkODdh
  • v=MCPv1; k=ed25519; p=V7pWFjt3wSPtIagO8U+Zo1rcy64UmrtujNINUWphik4=

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:143197900.spf02.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:a70fdeb732754b5d90b1e3f1283e15d8@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-29 to 2026-06-27
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://certifier.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (7)

Linked from (1)