siefkencontracting.com

https://siefkencontracting.com· First analyzed 26 May 2026· Updated 26 May 2026

This site uses bot protection

The website blocked automated page access (e.g. Cloudflare Turnstile). Only DNS-based modules could be analyzed — hosting, SSL, email infrastructure, and domain info are shown below. Technology stack, SEO, and other page-content modules are unavailable for this site.

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

100.24.208.97

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Ashburn, United States

ASN

AS14618

Organization

AWS EC2 (us-east-1)

Nameservers

ns61.domaincontrol.com.ns62.domaincontrol.com.

Security Score

71%Good

HTTPS

No WAF

68d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.05.2026

Valid Until

03.08.2026

Subject Alternative Names (2)

siefkencontracting.comwww.siefkencontracting.com

SHA-256 Fingerprint

D5:C8:C2:53:8F:38:96:90:B2:F5:A3:D6:D2:EA:0A:98:69:FC:83:D7...

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Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx2-us1.ppe-hosted.com

mx1-us1.ppe-hosted.com

Domain Information

siefkencontracting.com

Domain Age

14y 2m

Created

26.03.2012

Expires

26.03.2027

Last Updated

27.03.2026

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Website Identity

siefkencontracting.com

14 years old

Location detected: 🇺🇸 United Statesvia ip

GoDaddy.com, LLC