Check-Host.cc

Domain

a.run

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

Run a live full scan of a.run

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
AAAA
MX
NS
TXT
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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain Resolves to Last seen
u.spare.a.run 2026-06-03 14:42:36.415
1.a.run
1970-01-01 00:00:00.000
15237u.s.a.run
1970-01-01 00:00:00.000
1abc.a.run
1970-01-01 00:00:00.000
2.a.run
1970-01-01 00:00:00.000
31c6.a.run
1970-01-01 00:00:00.000
33c.a.run
1970-01-01 00:00:00.000
34c.a.run
1970-01-01 00:00:00.000
3d-camera-e4wogwoqaq-as.a.run
1970-01-01 00:00:00.000
3d7-camera-e4wogwoqaq-as.a.run
1970-01-01 00:00:00.000
4.a.run
1970-01-01 00:00:00.000
a-test24-i3agrmh6oq-uk.a.run
1970-01-01 00:00:00.000
a.a.run
1970-01-01 00:00:00.000
a.k.a.run
1970-01-01 00:00:00.000
a.run
1970-01-01 00:00:00.000
aaap-dms-service-my74uvkqla-oa.a.run
1970-01-01 00:00:00.000
access-telehealth-training-client-4skphfupza-km.a.run
1970-01-01 00:00:00.000
account.a.run 2026-07-31 17:28:17.578
accounts.a.run 2026-07-31 17:28:17.578
actumdevelop-2ubpwinuqq-lm.a.run
1970-01-01 00:00:00.000
addmessage-2msmh2vpqq-uc.a.run
1970-01-01 00:00:00.000
admin.a.run 2026-07-31 17:28:17.578
administrator.a.run 2026-07-31 17:28:17.578
adobe.comcpq-an.a.run
1970-01-01 00:00:00.000
again.a.run
1970-01-01 00:00:00.000
agf.a.run
1970-01-01 00:00:00.000
ai-grader-ihcwj2lvag-as.a.run 2026-06-03 19:40:55.512
aimg.fc2.comt.comoman.a.run
1970-01-01 00:00:00.000
alertmanager.a.run 2026-07-31 17:28:17.578
all.a.run
1970-01-01 00:00:00.000
alpha.a.run 2026-07-31 17:28:17.578
amaia-backend-docs-lf3sypvmnq-ew.a.run
1970-01-01 00:00:00.000
an.a.run
1970-01-01 00:00:00.000
andnodes.a.run
1970-01-01 00:00:00.000
androidx.constraintlayout.helper.widget.a.run
1970-01-01 00:00:00.000
antoniom60c.a.run
1970-01-01 00:00:00.000
apac-ai-webapp-dev-bqelagftaa-as.a.run
1970-01-01 00:00:00.000
api-7swychq6wa-uc.a.run
1970-01-01 00:00:00.000
api-fechamento-caixa-irssag22pa-rj.a.run
1970-01-01 00:00:00.000
api-send-my-signals-signal-source-api-u4g5nhe53q-ew.a.run
1970-01-01 00:00:00.000
api-v1.a.run 2026-07-31 17:28:17.578
api-v2.a.run 2026-07-31 17:28:17.578
api-v4-generatechatstream-7hb5gcrmka-uc.a.run
1970-01-01 00:00:00.000
api.a.run 2026-07-31 17:28:17.578
api1.a.run 2026-07-31 17:28:17.578
api2.a.run 2026-07-31 17:28:17.578
app-a5b3xzc4dq-ue.a.run
1970-01-01 00:00:00.000
app-dpvale-front-service-prod-kdzlrtznaq-uc.a.run
1970-01-01 00:00:00.000
app-pcvg7ng6sq-uc.a.run
1970-01-01 00:00:00.000
app-uc.a.run
1970-01-01 00:00:00.000
app-ypve5x65pa-uc.a.run 2026-06-16 06:30:49.676
app.a.run 2026-07-31 17:28:17.578
apps.a.run 2026-07-31 17:28:17.578
aps-service-wgoj472wwa-nw.a.run
1970-01-01 00:00:00.000
arcade-adventure-2f4oclgyaa-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-2xosq5e5aq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-3mscuefk5q-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-bhxfk7elmq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-c2grh5y4dq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-ddtsolffpa-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-esw5h3rp4q-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-jfff27r4zq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-jmyywnvhmq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-jocjn6ztwa-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-kxpyty6q3q-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-kxvnvmffha-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-n6szjfdfna-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-nynrwyxfua-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-ppdz7g4tcq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-pws5c4u6ha-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-qdqjoshsxa-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-qpgk5ydyca-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-yhuapyskvq-uc.a.run
1970-01-01 00:00:00.000
arcade-adventure-yuj5rqhgxa-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-3yyn672jjq-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-4ntybadaga-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-5qb2uwl7qq-uc.a.run 2026-06-04 01:52:27.675
arcade-hero-f2ie24tw5q-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-fyetwnh2gq-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-ipfsdxtkda-uc.a.run 2026-06-04 01:04:36.295
arcade-hero-pitfviw3uq-uc.a.run
1970-01-01 00:00:00.000
arcade-hero-pvkyp6ctxa-ue.a.run
1970-01-01 00:00:00.000
arcade-hero-rnci7shtea-uw.a.run
1970-01-01 00:00:00.000
arcade-hero-st46q36mva-uc.a.run
1970-01-01 00:00:00.000
archive.a.run 2026-07-31 17:28:17.578
argocd.a.run 2026-07-31 17:28:17.578
article1-utqua6jq2q-an.a.run
1970-01-01 00:00:00.000
artifactory.a.run 2026-07-31 17:28:17.578
as.a.run
1970-01-01 00:00:00.000
assets.a.run 2026-07-31 17:28:17.578
at.a.run
1970-01-01 00:00:00.000
atcprediction-7rp6o333zq-du.a.run
1970-01-01 00:00:00.000
atworthy-ai-weaver-akeaqg7uoa-uc.a.run
1970-01-01 00:00:00.000
auction-poc-ui-jqt64b6pza-uc.a.run
1970-01-01 00:00:00.000
auth.a.run 2026-07-31 17:28:17.578
autoconfig.a.run 2026-07-31 17:28:17.578
autodiscover.a.run 2026-07-31 17:28:17.578
automl-proxy-xfpm6c62ta-uc.a.run
1970-01-01 00:00:00.000
autorelm-app-dev-fmcb5zvjza-ew.a.run
1970-01-01 00:00:00.000
awaitingclearancehasbeenassignedtothew.a.run
1970-01-01 00:00:00.000
azos-core-main-nye7lzkwwq-ue.a.run
1970-01-01 00:00:00.000
b.a.run
1970-01-01 00:00:00.000
backend-dev-6vvhkfcsjq-de.a.run
1970-01-01 00:00:00.000
backend-gql-api-staging-qbwjtgzefq-ue.a.run
1970-01-01 00:00:00.000
backend-krbfizps5a-ez.a.run 2026-06-01 00:30:53.543
backend-production-internal-p6cqni7znq-ew.a.run
1970-01-01 00:00:00.000
backup.a.run 2026-07-31 17:28:17.578
backups.a.run 2026-07-31 17:28:17.578
backwash.a.run
1970-01-01 00:00:00.000
balancer.a.run 2026-07-31 17:28:17.578
bamboo.a.run 2026-07-31 17:28:17.578
bankn.a.run
1970-01-01 00:00:00.000
baskets.a.run
1970-01-01 00:00:00.000
bastion.a.run 2026-07-31 17:28:17.578
baumgenossenhp-testing-tb6bza5jmq-ew.a.run
1970-01-01 00:00:00.000
bbextdashboard-iaphgjzbjq-as.a.run
1970-01-01 00:00:00.000
bd-ct-ai-playground-3uqcdvunga-ey.a.run
1970-01-01 00:00:00.000
bd-dashboard-kencgx4j6q-an.a.run
1970-01-01 00:00:00.000
beclair-homepage-xmifqwv2pa-uc.a.run
1970-01-01 00:00:00.000
becore.a.run
1970-01-01 00:00:00.000

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: alchemia.runsol.online
Issuer: YR1
SANs: alchemia.runsol.online
Subject: *.cessna.run
Issuer: Amazon RSA 2048 M01
SANs: *.cessna.run
Subject: 3019.bbb.sph.infra.run
Issuer: YE2
SANs: 3019.bbb.sph.infra.run
Subject: 5.ta.runcomm.co.kr
Issuer: WR3
SANs: 5.postback.runcomm.co.kr, 5.ta.runcomm.co.kr, 6.postback.runcomm.co.kr, 6.ta.runcomm.co.kr, 7.postback.runcomm.co.kr, 7.ta.runcomm.co.kr, 8.postback.runcomm.co.kr, 8.ta.runcomm.co.kr, 9.postback.runcomm.co.kr, 9.ta.runcomm.co.kr
Subject: 3026.bbb.sph.infra.run
Issuer: YE1
SANs: 3026.bbb.sph.infra.run
Subject: www.aaaa.run
Issuer: Encryption Everywhere DV TLS CA - G2
SANs: aaaa.run, www.aaaa.run
Subject: deta.run
Issuer: WR1
SANs: *.deta.run, deta.run
Subject: bsstata.run.place
Issuer: E8
SANs: bsstata.run.place
Subject: 3009.bbb.sph.infra.run
Issuer: YE1
SANs: 3009.bbb.sph.infra.run
Subject: 3030.bbb.sph.infra.run
Issuer: YE2
SANs: 3030.bbb.sph.infra.run
Subject: tailscale.sea.run
Issuer: R13
SANs: tailscale.sea.run
Subject: gamma.runtime-v2-lex.us-gov-west-1.lex-govcloud.aws.dev
Issuer: Amazon Internal Butternut RSA 2k G1 01
SANs: *.runtime-v2-lex-gamma.us-gov-west-1.vpce.amazonaws.com, gamma.runtime-v2-lex-fips.us-gov-west-1.lex-govcloud.aws.dev, gamma.runtime-v2-lex.us-gov-west-1.lex-govcloud.aws.dev
Subject: us-gov-west-1.gamma.runtime.bedrock-keystone-fips.aws.dev
Issuer: Amazon RSA 2048 M04
SANs: us-gov-west-1.gamma.runtime.bedrock-keystone-fips.aws.dev
Subject: pv-ixina.runxpert.pro
Issuer: E8
SANs: pv-ixina.runxpert.pro
Subject: cm.gateway.nya.run
Issuer: YE2
SANs: cm.gateway.nya.run
Subject: vtsita.runcheck.xyz
Issuer: YE2
SANs: vtsita.runcheck.xyz
Subject: wss2.tavira.run
Issuer: YE2
SANs: wss2.tavira.run
Subject: evalua.run.appsmty.gob.mx
Issuer: WR3
SANs: evalua.run.appsmty.gob.mx
Subject: boka.runbygardar.se
Issuer: YR1
SANs: boka.runbygardar.se
Subject: bot.pata.run
Issuer: YE2
SANs: bot.pata.run
Subject: halabaluza.run.place
Issuer: R13
SANs: halabaluza.run.place
Subject: 3037.bbb.sph.infra.run
Issuer: YE1
SANs: 3037.bbb.sph.infra.run
Subject: 3001.bbb.sph.infra.run
Issuer: YE1
SANs: 3001.bbb.sph.infra.run
Subject: *.kqz.zoskw.beta.runos.xyz
Issuer: YR2
SANs: *.kqz.zoskw.beta.runos.xyz
Subject: mail.dusa.run.place
Issuer: YR2
SANs: mail.dusa.run.place
Subject: *.stage2.usana.run
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.stage2.usana.run, stage2.usana.run
Subject: 3022.bbb.sph.infra.run
Issuer: YE1
SANs: 3022.bbb.sph.infra.run
Subject: 1013.bbb.infra.run
Issuer: YE2
SANs: 1013.bbb.infra.run
Subject: adia.run.scriptminer.com
Issuer: YE1
SANs: adia.run.scriptminer.com
Subject: 3039.bbb.sph.infra.run
Issuer: YE1
SANs: 3039.bbb.sph.infra.run

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

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.