stephenmichaelnenninger.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 5633 ms crawled 2026-05-15

US · 198.49.23.144 · AS53831 Squarespace, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Dr. Stephen Michael Nenninger N.M.D.
Language: en-US
Canonical: https://www.stephenmichaelnenninger.com

Open Graph

url: https://www.stephenmichaelnenninger.com
title: Dr. Stephen Michael Nenninger N.M.D.
site name: Dr. Stephen Michael Nenninger N.M.D.

Technology

Server: Squarespace
CMS: Squarespace

Fonts

Google Fonts

Third-party hosts loaded (6)

definitions.sqspcdn.com×16
assets.squarespace.com×12
static1.squarespace.com×4
images.squarespace-cdn.com×3
fonts.googleapis.com×1
fonts.gstatic.com×1

Registration

Registrar

Squarespace Domains LLC

Created

2024-01-10

Expires

2027-01-10 234 days left

Updated

2025-12-26

Name servers

dns1.p06.nsone.net
dns2.p06.nsone.net
dns3.p06.nsone.net
dns4.p06.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com

DNS records live

NS

dns1.p06.nsone.net
dns2.p06.nsone.net
dns3.p06.nsone.net
dns4.p06.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com

MX

10 mxa.mailgun.org
10 mxb.mailgun.org

Email authentication partial

SPF: v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-20 to 2026-06-18

Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.stephenmichaelnenninger.com/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=15552000