Domain Intelligence Report

docker.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

7
DNS record types
48d
SSL cert remaining
12
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for docker.com.

A 1 record
  • 23.185.0.4
AAAA 2 records
  • 2620:12a:8000::4
  • 2620:12a:8001::4
MX 5 records
  • 10 alt4.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
TXT 31 records
  • "google-site-verification=VbuWA5NflxQMko2x9BJFIPVYrbuxHQll4UP4gZ4Fm08"
  • "onetrust-domain-verification=fb12882ae6344670a7b91077bd57c0f1"
  • "docusign=aeb25cd4-f743-4efc-b6fb-b8bc5dd1d0e8"
  • "stripe-verification=804359af3a919b4a46343227e384abdf33e10ad5bb81ea9f1d17ed4e74486ab4"
  • "jamf-site-verification=jqNgc5MzMp4UnSANweyyEQ"
  • "atlassian-domain-verification=I1f5bgOm9sPUEcK/2JTD6weNlWt+Wwsyo5dwvJe1fGjf9V+x3kyqxZRrl9z7ILEK"
  • "d0vcwvtyam"
  • "openai-domain-verification=dv-tj9VEsgExQvdNl9SCOa2Awju"
  • "sinch-domain-verification=d8a66194-44cf-49c3-96ab-74325ad6e7be"
  • "cursor-domain-verification-pkwbtp=KD6kIrkeudCadzeviiVJgEWnd"
  • "MS=ms98031138"
  • "google-site-verification=4PyKLfy_lowkc_qcu-byUkmF1kxAUT7tfho7ZiP353s"
  • "google-site-verification=Nyiwo5q4kkaD5V-sEiXsW74HXyVRtKVyxYFfZuFLG7M"
  • "apple-domain-verification=S580UenDqcwy2I1X"
  • "sonatype-domain-verification=OSSRH-62474"
  • "opine-verification=14d8ea53-d8ae-406f-93b0-76dc879d9b46"
  • "v=spf1 include:_spf.google.com include:spf.tipalti.com include:_spf.salesforce.com include:mktomail.com include:mail.zendesk.com -all"
  • "google-site-verification=i6hYWAXRYCtHNnyiQAYXiy_4StkAMJQiNCfH-3olY-I"
  • "google-site-verification=GjEZ_3KyjpDbmRzGdMUtqMeuXdh7HCSc8uRsPGYL-I0"
  • "docker-verification=4b72827b-32c1-4fe6-a843-2256c0df8a31"
  • "google-site-verification=rCKOZlVmB_xuu9DiT-urSmmXAEUGn5RI8PxdyCW5LJg"
  • "astro-domain-verification=cljrj1fgz00hm01lvtaq65gnn"
  • "zapier-domain-verification-challenge=c3e7ddaf-20bf-40ca-9374-1a917b16be06"
  • "adobe-idp-site-verification=a8d1a71d0cba44c2521bcb451d9dc708ee20d93c7b5b04791f699d128bbe6ec2"
  • "google-site-verification=CFmV0geNs1hCxK0mBEpjWaDoNwBIiDxIRjTvt3YGRDM"
  • "MS=ms42223923"
  • "miro-verification=116f0987438eb5a48c070e080a68e7d7b3087e5f"
  • "google-site-verification=5e33xBJIwW1XU49IqmIYtN7yi2Iq0GNnWwN4ujn4G_M"
  • "detectify-verification=87a64c3bf3301354588d90672bd1b74e"
  • "anthropic-domain-verification-p1ks1q=BmUzJzzDzqNXVWLXmZVoEvTr3"
  • "airtable-verification=7f122efe7db6b16848108e469042c39c"
NS 4 records
  • ns-1981.awsdns-55.co.uk.
  • ns-207.awsdns-25.com.
  • ns-568.awsdns-07.net.
  • ns-1289.awsdns-33.org.
CAA 7 records
  • 0 iodef "mailto:infra+caa-iodef@docker.com"
  • 0 issue "amazon.com"
  • 0 issue "comodoca.com"
  • 0 issue "digicert.com"
  • 0 issue "letsencrypt.org"
  • 0 issue "pki.goog"
  • 0 issue "sectigo.com"
SOA 1 record
  • ns-207.awsdns-25.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Registration

WHOIS / RDAP

Registration data for docker.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
Gandi SAS
Created
1995-01-25T05:00:00Z
Updated
2026-01-13T16:02:41Z
Expires
2027-01-26T05:00:00Z
Handle
360267_DOMAIN_COM-VRSN
Nameservers
NS-1289.AWSDNS-33.ORGNS-1981.AWSDNS-55.CO.UKNS-207.AWSDNS-25.COMNS-568.AWSDNS-07.NET
Status
client transfer prohibited
TLS

SSL Certificate

Live TLS handshake against docker.com. No third-party scanner.

ssl 48 days remaining
Issuer
CN=R12,O=Let's Encrypt,C=US
Subject
CN=docker.com
Valid from
2026-04-01T11:24:06+00:00
Valid to
2026-06-30T11:24:05+00:00
Serial
529369051871512829809597276020303741539457
SANs (2)
docker.comwww.docker.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 429 · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 12 found
crt.sh status 429 certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +12 (wordlist 54)
  • admin.docker.com
  • api.docker.com
  • app.docker.com
  • beta.docker.com
  • blog.docker.com
  • docs.docker.com
  • mail.docker.com
  • staging.docker.com
  • status.docker.com
  • store.docker.com
  • test.docker.com
  • www.docker.com
Email

Email Security Posture

SPF and DMARC presence and records for docker.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:_spf.google.com include:spf.tipalti.com include:_spf.salesforce.com include:mktomail.com include:mail.zendesk.com -all
DMARC present
  • v=DMARC1; p=quarantine; pct=100; rua=mailto:q1xwnepx@ag.dmarcian.com; ruf=mailto:q1xwnepx@fr.dmarcian.com;
DKIM selector required

DKIM requires selector; not auto-discoverable

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