core-mark.com
Observed Jul 24, 2026, 17:51 UTC (8h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onMicrosoft Corporation
Secured byDigiCert
Registered withNetwork Solutions, LLC
Also usesAtlassian
1 subdomain · fortune_500
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat core-mark.com actually stands on - every host below is a signed observation
core-mark.com
A / AAAA
52.234.233.148
Microsoft Corporationserves the site
NS
pfgns1.pfgc.compfgns2.pfgc.com
pfgc.comanswers its DNS
MX
mx2.hc1981-4.iphmx.commx1.hc1981-4.iphmx.com
iphmx.comreceives its email
TLS
www.core-mark.com
DigiCert Incissued its certificate
DNS Records
A 1
52.234.233.148
MX 2
10mx2.hc1981-4.iphmx.com10mx1.hc1981-4.iphmx.com
TXT 9
rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;zRQM8f3hpH5awJ81OIX2CuqE2uE3Snsl6Olsua7UyTgukD6/9jkEknGxpDsEjmLkKWt3e0d6hx247uFGN/yh7w==MS=ms48771655logmein-verification-code=270538e3-8418-43e5-8512-be26b6c8f538v=spf1 include:SPF1.Core-Mark.com include:SPF2.Core-Mark.com ~allxrp9oCiT7QLPb2iovdTI0U/afIN2yKJsMyKDbOLDR/7XsVWGa2gMrlOyT7XcafnDs2VMx6MZ/6oCU+L6o0CV5w==smartsheet-site-validation=Lp_Cj_zxUoMGJMHz5EyqIM9WnfZWXw0Aatlassian-domain-verification=tYPOOxPBaNoWLbMC66TyiZH8gio/25rHm4KdIjUd9y6yAonaW3a+1p8CaMQXu+WYv=DMARC1; p=none; rua=mailto:blyjpigx@ag.us.dmarcian.com
NS 2
pfgns1.pfgc.compfgns2.pfgc.com
SOA 1
pfgns1.pfgc.com hostmaster.pfgns1.pfgc.com
SRV 8
rmd020-cexp-2.core-mark.com:5061 p20pln010-cexp-2.core-mark.com:5060 p10pln010-cexp-2.core-mark.com:5061 p10rmd020-cexp-2.core-mark.com:5061 p20rmd020-cexp-2.core-mark.com:5222 p20pln010-cexp-2.core-mark.com:5222 p10rmd020-cexp-2.core-mark.com:5269 p20pln010-cexp-2.core-mark.com:5269 p10
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.core-mark.com |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Fri, 29 Jan 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 |
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 (1)
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 receiptEd25519 Receipt
- Receipt ID
rcpt_8f22eef0137a6181- Output Hash
95de381c4eb66381293856f4b2b62469fb035d359ce950827687c60b750d3b6b- Signature
ed25519:cdea09c2a2de4c029ba4e672e1992f5a94fbc0dbc1b7d6f4dcd66958d17769e4b27b8af5009b050ec58685185f4fad5eaa60b1fb9f4ba3c68c83683840c8fe0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast