indexo.dev

smtp2go.com

.com toplist crawl dns

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1628 ms crawled 2026-05-18

US · 43.228.184.5 · AS1299 Arelion Sweden AB

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
SMTP2GO: Reliable & Scalable Email Delivery Service & API
Description
SMTP2GO is the scalable, reliable email deliverability solution. Worldwide servers, a robust API, and powerful reporting set us apart. Try our free plan!
Language
en-US
Canonical
https://www.smtp2go.com/
Feeds

Open Graph

url
https://www.smtp2go.com/
title
SMTP2GO: Reliable & Scalable Email Delivery Service & API
locale
en_US
site name
SMTP2GO
description
SMTP2GO is the scalable, reliable email deliverability solution. Worldwide servers, a robust API, and powerful reporting set us apart. Try our free plan!

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Third-party hosts loaded (7)
  • code.jquery.com×3
  • cdnjs.cloudflare.com×2
  • cdn-4.convertexperiments.com×1
  • gmpg.org×1
  • widget.trustpilot.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2006-06-20
Expires
2028-06-20 763 days left
Updated
2025-06-11
Name servers
  • ns2.smtpcorp.com
  • sns1.treshna.co.nz
  • sns2.treshna.co.nz
  • sns3.treshna.co.nz

DNS records live

NS
  • ns2.smtpcorp.com
  • ns4.smtpcorp.com
  • sns3.treshna.co.nz
  • sns4.treshna.co.nz
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
  • facebook-domain-verification=pdmbr1cb56arylrd3m54nn6vd3xub7
  • google-site-verification=soeGlTttTYwUL2pNnJrZhPKlEkv_1ldMmCeoQe1ZkBA

Email authentication strong

SPF
v=spf1 ip4:210.48.71.200 ip4:210.48.71.172 ip4:50.56.72.228 ip4:210.48.71.198/30 ip4:50.57.187.177 ip4:167.89.2.95 include:mail.zendesk.com include:spf.smtp2go.com include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:a.qxn2hfs8@sdmarc.net,mailto:w1lk2jq7@ag.dmarcian.com; ruf=mailto:w1lk2jq7@fr.dmarcian.com
policy: reject (enforced)
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzFsT/XZgbAHUJ7iu8SrFygWm15XS9vuTEj85fWh4iRHpk1/z6IgQ56rmr/aUPpkiS53n+MJf12OhJ5…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnoCMuQP1aiBBdytJl2DUkaC0DbY1TLwT0PfYDb0pU5qR/lSt0/2gCJxCS6y6rNwBnZLQsrWVmYyaz6/67F…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDezqBb2VjEllhUCPwOqOXCxiFxC8/K4YkqEXxzvTRIx3+IoKQjL6FMmFM+e2LBXN6NnA3FGq9iI2Vbo9tq0ub1UF…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

Sectigo RSA Domain Validation Secure Server CA
from 2025-05-18 to 2026-06-19
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.smtp2go.com/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (9)

Linked from (3)