groups.io

.io crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1867 ms crawled 2026-05-18

US · 45.79.81.153 · AS63949 Akamai Connected Cloud

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Groups.io | Email Discussion Groups & Listserv Alternative
Description: Groups.io is a modern email group service and listserv alternative with no ads. Create mailing lists with calendars, files, wikis, and more. Better than Google Groups or Yahoo Groups.
Language: en-US

Technology

Server: nginx
CMS: Gatsby

Social

Contact

Email

support@groups.io

DNS records live

NS

dns1.groups.io
dns2.groups.io

MX

10 lb01.groups.io
10 lb02.groups.io

TXT

google-site-verification=cIdgZ-hBu3RiSGae0xG2qUDmQY5hS3dsg6qUGxAZjaE

Email authentication partial

SPF: v=spf1 include:_spf.groups.io ~all
softfail (~all)
DMARC: v=DMARC1;p=none;sp=none;rua=mailto:dmarcreport@groups.io;ruf=mailto:dmarcfailure@groups.io
policy: none (monitoring only) · sp=none
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-12 to 2026-07-11

Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://groups.io/

present

content-security-policy
x-frame-options
permissions-policy

findings

missing HSTS
missing content type protection
missing Referrer Policy

Header values

x-frame-options: DENY
permissions-policy: ch-ua-platform=(self), ch-ua-platform-version=(self), ch-ua-mobile=(self), ch-ua-model=(self), ch-ua-full-version-list=(self)
content-security-policy: frame-ancestors 'self';

Links to (3)

Linked from (50)