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Domain report

smtp.com

smtp.com ranks in the top 0.31% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 22 distinct hosts observed under it.

Explore smtp.com in the Web Graph

Connectivity

#417,445harmonic-centrality rank
Top percentile
0.31%
Hosts observed
22

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://smtp.com/ answered with HTTP 200.

DNS records

A
  • 3.97.161.32
  • 3.99.99.108
AAAA
No records found.
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.
NS
  • ns-1304.awsdns-35.org.
  • ns-1999.awsdns-57.co.uk.
  • ns-5.awsdns-00.com.
  • ns-735.awsdns-27.net.
AS
Server in network AMAZON-02, AS16509 · United States3.97.161.0/24, which holds 3.97.161.32

Live preview

Screenshot of smtp.com

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since smtp.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

Registrar
CSC Corporate Domains, Inc.
Registered
1996-01-13
Expires
2029-08-20
Last changed
2021-09-10

Nameservers: NS-1304.AWSDNS-35.ORG, NS-1999.AWSDNS-57.CO.UK, NS-5.AWSDNS-00.COM, NS-735.AWSDNS-27.NET

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed: The operation was aborted due to timeout

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

What each security header does

Redirect chain

  1. 1.http://smtp.com/HTTP 301

    → https://www.smtp.com/

  2. 2.https://www.smtp.com/HTTP 200

Meta tags

Title
SMTP Email Delivery & Transactional Email API | SMTP.com
Description
Boost inbox delivery with SMTP’s trusted email relay and API. Scalable, secure, and backed by 20+ years of expertise. Start sending emails today!
Canonical
https://www.smtp.com/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
SMTP Email Delivery & Transactional Email API | SMTP.com
Open Graph description
Boost inbox delivery with SMTP’s trusted email relay and API. Scalable, secure, and backed by 20+ years of expertise. Start sending emails today!
Open Graph image
https://www.smtp.com/wp-content/uploads/2021/01/Home-page.jpg
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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