blackhillscorp.com

Observed Jul 18, 2026, 12:08 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onMicrosoft Corporation

Email byMicrosoft 365

Secured byDigiCert

energy

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat blackhillscorp.com actually stands on - every host below is a signed observation

blackhillscorp.com

A / AAAA

20.12.139.137

Microsoft Corporationserves the site

ns1.blackhillscorp.comns2.blackhillscorp.com

blackhillscorp.comanswers its DNS

blackhillscorp-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

*.blackhillscorp.com

DigiCert Incissued its certificate

DNS Records

A 1

20.12.139.137

MX 1

10blackhillscorp-com.mail.protection.outlook.com

TXT 10

YmxhY2toaWxscw==
v=spf1 mx ip4:74.116.253.77 ip4:20.112.235.2/31 ip4:20.186.113.184/31 ip4:20.221.65.200/31 ip4:20.57.27.200/31 ip4:20.221.103.65 ip4:20.122.236.144 include:spf.protection.outlook.com -all
00D4R000001WZM6=1TBUc00000003Qv
9TeeYfGHKweXh64LKsC8YVf46EIUxQpckuF+Nq1hVOVqygPDuv/V5paGdEEY02RutELHHs6guuagWu4ZEq2CYg==
uCi1VaNARBj4Av/l2+OuyCu6SsO8k9kB5EVrx4uTRo3d9jZyGA8G0k0GATmKhCARuD+929QK2iaKOkWV8BK8TA==
OATI iQ9fedL42wd@cD7Vz3fKijz@b2mA86822cU@b2mA86822cU
_j4tef9k3lj2lq9g8ughp86pof65bbus
iQ9fedL42wd@cD7Vz3fKijz@b2mA86822cU@b2mA86822cU
_io53mc63fuiy0oyz23u35a9qba2u2j3
v=DMARC1; p=quarantine; rua=mailto:bhe.dmarc@blackhillscorp.com; ruf=mailto:bhe.dmarc@blackhillscorp.com; fo=1; pct=100

NS 2

ns1.blackhillscorp.com
ns2.blackhillscorp.com

SOA 1

ns1.blackhillscorp.com root.ns1.blackhillscorp.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.blackhillscorp.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Sun, 22 Nov 2026 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000
`DigiCert Global Root G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Fri, 15 Jan 2038 12:00:00 +0000

Subdomains (0)

None observed.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for blackhillscorp.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/blackhillscorp.com">
  <img src="https://domaindrift.io/badge/blackhillscorp.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for blackhillscorp.com">
</a>

Ed25519 Receipt

Receipt ID: 4e4f05b9-08d0-4894-8d96-52418d69a99b
Output Hash: a8cdae4f3f00a21e87b9d31d554693103da48204c44446c567757880e4930687
Signature: ed25519:d57b76d47090591a2018211b93416071b9bd4011ab15f19d5796dd1343f1ff79093b9f0177f7aaf51eb953002c0e2fe81e73c25d82c6a3e8474a51c4fd5a420e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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