seicommunications.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 5687 ms crawled 2026-05-31

US · 206.162.193.9 · AS7871 SEI Data, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

SEI Communications, Inc |

Language

en-US

Generator

Divi v.4.27.6

Canonical

https://www.seicommunications.com/

Feeds

Open Graph

url: https://www.seicommunications.com/
title: SEI Communications, Inc
locale: en_US
site name: SEI Communications, Inc

Technology

Server: Apache
CMS: WordPress
PHP: 8.2.31 security-only
jQuery: 3.7.1

Analytics

Plausible

Fonts

Google Fonts

Third-party hosts loaded (15)

fonts.googleapis.com×5
stats.wp.com×2
0.gravatar.com×1
1.gravatar.com×1
2.gravatar.com×1
api.mapbox.com×1
fonts.gstatic.com×1
jetpack.wordpress.com×1
plausible.io×1
public-api.wordpress.com×1
s0.wp.com×1
secure.gravatar.com×1
widgets.wp.com×1
wp.me×1
www.google.com×1

Contact

Email

Phone

Registration

Registrar

Tucows Domains Inc.

Created

1999-10-05

Expires

2026-10-05 123 days left

Updated

2025-09-06

Name servers

ns1.seidata.com
ns2.seidata.com
ns3.seidata.com

DNS records live

NS

ns1.seidata.com
ns2.seidata.com
ns3.seidata.com

MX

10 mx2.seidata.com
20 mx1.seidata.com

Email authentication partial

SPF

v=spf1 ip4:206.162.192.0/24 ip6:2607:ff40::/64 mx -all

strict (-all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:postmaster@seidata.com

policy: none (monitoring only)

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuEv7kN61BGYg9n9Jt1vve4MMpA3fq7+2DrsOVXf9Om8nlhSnXSbkdWKslFtlGf+pH/zZbG/LkEHdNY…

selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1

from 2026-01-05 to 2027-01-07

Expires in 217 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.seicommunications.com/

present

strict-transport-security
permissions-policy

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy

Header values

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")
strict-transport-security: max-age=15768000