Check-Host.cc

Domain

vsp.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of vsp.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
198.135.203.3
AAAA
MX
10 vsp-com.mail.protection.outlook.com
NS
dns1.vsp.com, dns2.vsp.com, dns3.vsp.com, ns3.level3.net, ns4.level3.net
TXT
00dd0000000hm9aEAA, 47ab959a-e115-4958-a97a-f9bfbbb991bf, Alida Domain Check 1r1880yqyg3krh1soaxfrhaik588py, CDahMdEzu5KbgLAF/YPKzI/C0BgAF46w9hvh2TfLzOs/26KEk35h2JyWhzbNr6HM3RRzFIa5q5elTPiI5rQu4g==, Dynatrace-site-verification=c128c60c-0e03-425a-8dfa-dc0f77734f83__4qjjj7ppb5mqhd5npr976p1mjq, _fp0k5fxmb0chy56czjze1hsqhr5iosh, _oztitemgy4lrouzhd0pn1zvbqi4xgzl, a. webexdomainverification.4C675B8B66EBB136E053AB06FC0A3F65=bfd8403d-e559-4ae1-b876-a16f8eeb79c5
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: horizon.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: horizon.vsp.com, ushq1prdwvdici1.vsp.com, ushq1prdwvdici2.vsp.com, ushqprdwvdiuag1.vsp.com, ushqprdwvdiuag2.vsp.com
Subject: pingfed-vma1.vsp.com
Issuer: VSPGlobal Issuing CA2
SANs: pingfed-vma1.vsp.com, pingfed-vma2.vsp.com
Subject: *.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.vsp.com, vsp.com
Subject: *.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.vsp.com, vsp.com
Subject: *.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.vsp.com, vsp.com
Subject: user.vpnvsp.com
Issuer: R12
SANs: user.vpnvsp.com
Subject: workspaces.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: horizoncloud.vsp.com, workspaces.vsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: RC-Expressway-edge.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: RC-Expressway-edge.vsp.com, collab-edge.eyefinity.com, collab-edge.marchon.com, collab-edge.vsp.com, expressway-us-cluster.vsp.com, mlv-expressway-edge.vsp.com, vsp.com
Subject: *.uw2.dev.cloud.vsp.com
Issuer: Amazon RSA 2048 M01
SANs: *.uw2.dev.cloud.vsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: dcrnvsp.com
Issuer: R12
SANs: dcrnvsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: horizon.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: horizon.vsp.com, ushq1prdwvdici1.vsp.com, ushq1prdwvdici2.vsp.com, ushqprdwvdiuag1.vsp.com, ushqprdwvdiuag2.vsp.com
Subject: dev.comm-vsp.com
Issuer: WR3
SANs: *.api.dev.comm-vsp.com, *.dev.comm-vsp.com, *.vsp.dev.comm-vsp.com, dev.comm-vsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: magnolia.vsp.com
Issuer: Amazon RSA 2048 M01
SANs: magnolia-author.pub.vsp.com, magnolia-insecure.pub.vsp.com, magnolia-public.pub.vsp.com, magnolia.vsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.uw2.dev.cloud.vsp.com
Issuer: Amazon RSA 2048 M01
SANs: *.uw2.dev.cloud.vsp.com
Subject: *.koalavsp.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.koalavsp.com, koalavsp.com
Subject: *.vsp.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.vsp.com, vsp.com

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
TXT amazonses:DiPysrBJ1/dnbXoYIp9O1ef8RmOrkKsjQ36qfPfjIwQ= 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT Dynatrace-site-verification=c128c60c-0e03-425a-8dfa-dc0f77734f83__4qjjj7ppb5mqhd5npr976p1mjq 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT facebook-domain-verification=6yw71m5kusmcnhtq4hf6bhgocikidx 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
A 198.135.203.3 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT apple-domain-verification=LNbrwQYukZute2Sl 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT dhz5nnswmnsvj9mlj33p8gy7j5l37hbh 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT 00dd0000000hm9aEAA 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT v8j6704kqyxy39lkh2kskvg5gxjps6q7 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT a. webexdomainverification.4C675B8B66EBB136E053AB06FC0A3F65=bfd8403d-e559-4ae1-b876-a16f8eeb79c5 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT x4nhgx6bbx7rn39g9l4nyw2b07hqb8jg 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT webexdomainverification.4C675B8A9613B136E053AB06FC0A3F65=7edffc3b-8c29-46fe-b68e-3eaa131c2aac 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT c0go2qeslkvtdmg4ucbaj49433 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT 47ab959a-e115-4958-a97a-f9bfbbb991bf 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT g. webexdomainverification.4C675B8B681EB136E053AB06FC0A3F65=968f6ed7-d62d-45de-8aa6-91e89f5fdaf5 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _sips._tcp 5 0 5060 mlv-expressway-edge.marchon.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT _fp0k5fxmb0chy56czjze1hsqhr5iosh 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT jamf-site-verification=RHuiwsuebJ1y0bj3Jf3d3w 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT google-site-verification=ShSaysnAe4uLSu35t1wJZxNzPcVDu2g6Pahmq4TJ_ik 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT intersight=241d89268cf5fb6f1288f2ed1f6eb0c2cabbf1caa94d2a5353ac002a561e583b 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
NS dns2.vsp.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT amazonses:kdtXlYDH8+Cx2TEQCmg8b9vhhx51TMplz//vfwXwgR4= 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT sending_domain1125421=002a626ac0dfcd1e3f9cb788e77683a59704b359bf13a2c2893b20882652af52 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
NS ns3.level3.net 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT _oztitemgy4lrouzhd0pn1zvbqi4xgzl 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
NS dns1.vsp.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
MX 10 vsp-com.mail.protection.outlook.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _xmpp-client._tcp 5 0 5222 c2s.vsp.com.webexconnect.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT f. webexdomainverification.4C675B8AF643B136E053AB06FC0A3F65=568d45f8-42d7-4542-84e0-e339ca4cc282 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT mindmanager-verification=69e938f0d44cf9cf66c56b1f33e7937aca2621bbf270d931f67be78ea42ca377 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _xmpp-server._tcp 5 0 5269 s2s.vsp.com.webexconnect.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT Alida Domain Check 1r1880yqyg3krh1soaxfrhaik588py 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT atlassian-sending-domain-verification=1976dd8d-81cb-42cb-9bee-2691b557e2e1 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT c. webexdomainverification.4C675B8AF788B136E053AB06FC0A3F65=94d5b8e1-bb12-44ec-918f-a2d588028795 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT omnissa-connect-verification-9247a6e8-3448-40ca-95de-5c0e2bcc4127 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT miro-verification=52c1e0d8b5dbc842ee1f2c6a003e4952438bf3f2 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT h. webexdomainverification.4C675B8AF79AB136E053AB06FC0A3F65=3d1590b2-5d6c-4268-ae86-253c0f35031e 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT i. webexdomainverification.4C675B8AF752B136E053AB06FC0A3F65=d2677eaf-9ca3-48e9-8a77-fd3955df7297 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT atlassian-domain-verification=UEyP0Io4ztfzLoavl1YIG2oBkq/5U0e/1ZISleyxRnvi3LNCWZyaYQuGhD4bJQyv 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _sips._tcp 0 0 5061 rc-expressway-edge.vsp.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT smartsheet-site-validation=FJhvsNRWZoonZ-cogaRt58psZOqg9fYx 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT e. webexdomainverification.4C675B88AD19B136E053AB06FC0A3F65=cd84db69-9b29-4652-92d9-afc8fc66347c 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT CDahMdEzu5KbgLAF/YPKzI/C0BgAF46w9hvh2TfLzOs/26KEk35h2JyWhzbNr6HM3RRzFIa5q5elTPiI5rQu4g== 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _sip._tcp 5 0 5060 mlv-expressway-edge.marchon.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT amazonses:CsiLQR6H2EIRvm5O4qtd7EMq+YpVMmjIkLdGCH1Ggyc= 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT contractworksverify=mfNx1VvFYP3Xze 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT o6Zl1alhMuWhz+eOku5eZLbhy123Gm1U+QRD4OySriV7xFq9U6XxBgOkiwSCTk3INP+WqpSCEBlN/FONlzEoFw== 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT sl848y8z62zbcl9shq8b8tpmwp21b0w7 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT d. webexdomainverification.4C675B8AF742B136E053AB06FC0A3F65=f201cce7-5828-4eaa-8c76-6d0368f3e47f 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT b. webexdomainverification.4C675B8AF78AB136E053AB06FC0A3F65=6a1bc5cc-733c-4ec2-8b9a-de3101a2fe1b 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
SRV _sip._tcp 0 0 5060 rc-expressway-edge.vsp.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
NS ns4.level3.net 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
NS dns3.vsp.com 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT dtm-domain-verification=Ong7oD2yMcBT9EJAQre3fzSQhZEbZCzFRgGq0annUvg 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT r2cdjob4ai7ite04sqkd36s6id 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT docker-verification=0960fa7a-cbb5-4caa-9424-548243e2f1dd 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454
TXT mentimeter-493d0621-8902-4a55-9dd5-c1feecafaac9 2026-05-26 06:14:31.784 2026-07-22 09:33:49.454