slb.com

Observed Jul 18, 2026, 13:05 UTC (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onMicrosoft Corporation

Email byProofpoint

Secured byDigiCert

Registered withTucows Domains Inc.

Also usesDocuSignGoogle Search ConsoleAtlassian

49 subdomains · tranco_20k

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

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

slb.com

A / AAAA

20.23.79.56

Microsoft Corporationserves the site

dns0.slb.comdns0.slb.netdns1.slb.comdns1.slb.net+2 more

slb.com + slb.net + moreanswers its DNS

mxa-00198502.gslb.pphosted.commxb-00198502.gslb.pphosted.com

Proofpointreceives its email

TLS

slb.com

DigiCert Incissued its certificate

DNS Records

A 1

20.23.79.56

MX 2

100mxa-00198502.gslb.pphosted.com
100mxb-00198502.gslb.pphosted.com

TXT 30

Token_f9z007il9fng3a9sccr1dj5goaqpc7v
MS=ms89274394
v=spf1 include:spf.slb.com -all
_6oavsfza0onvgs01fh9f3r3so8ypauq
_fmf0j3qau9k6dmjnq8tt1jsr0wlhcp8
_y7w4e8nfjef7knlhh2lapiza34j7ibx
apple-domain-verification=SHe3xQCdfNnfOpTI
flexera-domain-verification-lxfioswenyubkztt
status-page-domain-verification=v3hz8n0w7g3s
docusign=085ff53d-356a-4390-9af9-a922f5f8b093

NS 6

dns0.slb.com
dns0.slb.net
dns1.slb.com
dns1.slb.net
ns74.ultradns2.com
ns74.ultradns2.org

SOA 1

nl0123vsmipam03.dns.slb.com hostmaster.slb.com

SRV 1

nxpfs.ucfederationcloud.com:5269 p20

CAA 7

iodef "mailto:pki-admin-manager@slb.com"
issue "amazon.com"
issue "digicert.com"
issue "entrust.net"
issue "sectigo.com"
issuewild "digicert.com"
issuewild "entrust.net"

TLS Certificates (2)

Common Name	Issuer	Expires
`slb.com`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Fri, 19 Feb 2027 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

Subdomains (49)

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 slb.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 2e246838-088b-4b83-9780-a0acd2b5e544
Output Hash: 23c689fff97db6d852635bb4d7a31854c3ab19146814d70414630dc9e1af5e72
Signature: ed25519:798df9c40758965616be5b5fbccb857a0c2ccd19b294a0659298016eba8027c25aebf4fc73d538059890e7e224b6cd5b35a34b095df1ed7a53b8a165499e7402
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/slb.com