Check-Host.cc

Domain

dyn.com

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

Run a live full scan of dyn.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
2.22.248.149, 2.22.248.185, 23.222.236.167, 23.222.236.187, 95.101.136.197, 95.101.136.201, 95.101.74.56, 95.101.74.8
AAAA
2a02:26f0:8d00:14::213:7c91, 2a02:26f0:8d00:14::213:7ca1, 2a02:26f0:c900:17::5f65:88c5, 2a02:26f0:c900:17::5f65:88c9, 2a02:ce0:1:88::5633:5119, 2a02:ce0:1:88::5633:5189
MX
10 dyn-com.mail.protection.outlook.com
NS
ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
TXT
MS=ms69102762, google-site-verification: VRIuHYFo0s9aWRVZxlAPyReiMYiKsMfWduASFCCyDlI, google-site-verification=K_ybzxaPfdlKzbSeYfXYPxZbe-lkCqOe5v4mYo_D15o, google-site-verification=bVRc6gkGGrDswxAG2572YkZETdRoBASiYBBOw7yCovc, status-page-domain-verification=hmzrsytqqy6q, status-page-domain-verification=n00jg490wdwp, v=spf1 ip4:204.14.232.0/21 ip4:216.6.202.0/24 ip4:195.160.236.246/32 ip4:195.160.237.248/32 ip4:52.38.191.241 include:rp.oracleemaildelivery.com ip4:182.50.76.0/22 include:spf_c.oraclecloud.com ip4:216.146.45.0/24 ip4:96.43.144.0/20 ip4:104.209.130.71 ip4:104.209.133.54 ip4:104.209.134.151 ip4:104.209.133.195 ip4:104.209.130.35 ip4:104.209.132.14 ip4:111.221.94.91 ip4:23.98.64.25 ip4:138.91.37.12 ip4:23.101.16.102 ip4:23.101.17.118 ip4:23.101.18.6 ip4:40.123.47.107 ip4:13.68.100.116 ip4:138.1.126.40 include:spf.dynect.net include:stspg-customer.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all
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: *.bosdyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.bosdyn.com, *.internal-secure.bosdyn.com, *.internal.bosdyn.com, *.onprem.bosdyn.com, *.secure.bosdyn.com, *.stage-secure.bosdyn.com, *.stage.bosdyn.com, bosdyn.com, internal-secure.bosdyn.com, internal.bosdyn.com, onprem.bosdyn.com, secure.bosdyn.com, stage-secure.bosdyn.com, stage.bosdyn.com
Subject: rvtdyn.com
Issuer: YE2
SANs: rvtdyn.com, www.rvtdyn.com
Subject: dyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: account.dyn.com, account.dyndns.com, admin.dyndns.com, cdn.dyn.com, cdn.dyndns.com, crestronapi.tzo.net, dyn.com, dyndns.com, dyndns.org, help.dyn.com, members.dyndns.com, members.dyndns.org, update.dyndns.com, update.dyndns.org, update.iad.dyndns.com, update.phx.dyndns.com, updater.dyn.com, web.iad.dyndns.com, web.phx.dyndns.com, www.dyndns.com, www.dyndns.org
Subject: riadyn.com
Issuer: YR2
SANs: riadyn.com
Subject: *.starrydyn.com
Issuer: GlobalSign GCC R3 DV TLS CA 2020
SANs: *.starrydyn.com, starrydyn.com
Subject: *.hsdyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.hsdyn.com, hsdyn.com
Subject: *.bosdyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.bosdyn.com, *.internal-secure.bosdyn.com, *.internal.bosdyn.com, *.onprem.bosdyn.com, *.secure.bosdyn.com, *.stage-secure.bosdyn.com, *.stage.bosdyn.com, bosdyn.com, internal-secure.bosdyn.com, internal.bosdyn.com, onprem.bosdyn.com, secure.bosdyn.com, stage-secure.bosdyn.com, stage.bosdyn.com
Subject: istrr1.i-soft-dyn.com
Issuer: istrr1.i-soft-dyn.com
SANs: 2caafkyaf6p8eqvi.myfritz.net, fritz.box, fritz.nas, fritzbox.home.arpa, fritzbox.internal, istrr1.i-soft-dyn.com, myfritz.box, www.fritz.box, www.fritz.nas, www.myfritz.box
Subject: *.starrydyn.com
Issuer: GlobalSign GCC R3 DV TLS CA 2020
SANs: *.starrydyn.com, starrydyn.com
Subject: fae-1.orbit-dev.bosdyn.com
Issuer: Amazon RSA 2048 M04
SANs: fae-1.orbit-dev.bosdyn.com
Subject: *.starrydyn.com
Issuer: GlobalSign GCC R3 DV TLS CA 2020
SANs: *.starrydyn.com, starrydyn.com
Subject: *.gendyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.gendyn.com
Subject: *.meteodyn.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.meteodyn.com, meteodyn.com
Subject: *.cendyn.com
Issuer: Go Daddy Secure Certificate Authority - G2
SANs: *.cendyn.com, cendyn.com
Subject: *.eurodyn.com
Issuer: Thawte TLS RSA CA G1
SANs: *.eurodyn.com, eurodyn.com
Subject: websocket.test.platform.faradyn.com
Issuer: YE1
SANs: websocket.test.platform.faradyn.com
Subject: qa32.intradyn.com
Issuer: YR1
SANs: qa32.intradyn.com
Subject: *.gendyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: *.gendyn.com
Subject: robs.test.bosdyn.com
Issuer: WR3
SANs: robs.test.bosdyn.com
Subject: bots.nordyn.com.br
Issuer: YE2
SANs: bots.nordyn.com.br
Subject: dp02-6-marietta.kennesaw.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp02-6-marietta.kennesaw.hed.boldyn.com
Subject: dp02-1-marietta.kennesaw.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp02-1-marietta.kennesaw.hed.boldyn.com
Subject: dp01-3-ecok.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp01-3-ecok.hed.boldyn.com
Subject: *.meteodyn.com
Issuer: Sectigo Public Server Authentication CA DV R36
SANs: *.meteodyn.com, meteodyn.com
Subject: dp02-2-ecok.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp02-2-ecok.hed.boldyn.com
Subject: *.qaeconcierge20.cendyn.com
Issuer: Go Daddy Secure Certificate Authority - G2
SANs: *.qaeconcierge20.cendyn.com, qaeconcierge20.cendyn.com
Subject: *.starrydyn.com
Issuer: GlobalSign GCC R3 DV TLS CA 2020
SANs: *.starrydyn.com, starrydyn.com
Subject: dp03-3-kennesaw.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp03-3-kennesaw.hed.boldyn.com
Subject: dp02-1-ecok.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp02-1-ecok.hed.boldyn.com
Subject: dp02-3-ecok.hed.boldyn.com
Issuer: ZeroSSL RSA DV SSL CA 2
SANs: dp02-3-ecok.hed.boldyn.com

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

58.152.171.36:80 href · ×2
109.235.103.33:443 href · ×1

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.

Origin IP Origin ASN CDN ASN Confidence Reasoning
193.122.130.0 AS31898 AS20940 95% cert f9647b45… served by 193.122.130.0 (AS31898) carries SAN dyn.com which currently resolves through Akamai (AS20940) at 23.222.236.187, 23.222.236.167, 2a02:26f0:8d00:14::213:7ca1, 2a02:26f0:8d00:14::213:7c91

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

775580e4d2a6e096… google · xenon2026h2
Subject: dyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dyn.com, account.dyn.com, account.dyndns.com, admin.dyndns.com, crestronapi.tzo.net, dyndns.com, dyndns.org, help.dyn.com, members.dyndns.com, members.dyndns.org, update.dyndns.com, update.dyndns.org, www.dyndns.com, www.dyndns.org, web.iad.dyndns.com, web.phx.dyndns.com, update.iad.dyndns.com, update.phx.dyndns.com, cdn.dyn.com, cdn.dyndns.com, updater.dyn.com, checkip.dyn.com, checkip.dyndns.com, checkip.dyndns.org, checkipv6.dyn.com, checkipv6.dyndns.com, checkipv6.dyndns.org
Valid: 2026-03-13 00:00:00 → 2026-09-27 23:59:59
2e521d25b199ba21… google · xenon2026h2
Subject: dyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dyn.com, account.dyn.com, account.dyndns.com, admin.dyndns.com, crestronapi.tzo.net, dyndns.com, dyndns.org, help.dyn.com, members.dyndns.com, members.dyndns.org, update.dyndns.com, update.dyndns.org, www.dyndns.com, www.dyndns.org, web.iad.dyndns.com, web.phx.dyndns.com, update.iad.dyndns.com, update.phx.dyndns.com, cdn.dyn.com, cdn.dyndns.com, updater.dyn.com
Valid: 2026-02-04 00:00:00 → 2026-12-17 23:59:59
cf4a3fbb7ff4d18c… google · argon2026h2
Subject: dyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dyn.com, account.dyn.com, account.dyndns.com, admin.dyndns.com, crestronapi.tzo.net, dyndns.com, dyndns.org, help.dyn.com, members.dyndns.com, members.dyndns.org, update.dyndns.com, update.dyndns.org, www.dyndns.com, www.dyndns.org, web.iad.dyndns.com, web.phx.dyndns.com, update.iad.dyndns.com, update.phx.dyndns.com, cdn.dyn.com, cdn.dyndns.com
Valid: 2025-12-18 00:00:00 → 2026-12-17 23:59:59
cf4a3fbb7ff4d18c… google · xenon2026h2
Subject: dyn.com
Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
SANs: dyn.com, account.dyn.com, account.dyndns.com, admin.dyndns.com, crestronapi.tzo.net, dyndns.com, dyndns.org, help.dyn.com, members.dyndns.com, members.dyndns.org, update.dyndns.com, update.dyndns.org, www.dyndns.com, www.dyndns.org, web.iad.dyndns.com, web.phx.dyndns.com, update.iad.dyndns.com, update.phx.dyndns.com, cdn.dyn.com, cdn.dyndns.com
Valid: 2025-12-18 00:00:00 → 2026-12-17 23:59:59

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
AAAA 2a02:26f0:8d00:14::213:7c91 2026-05-26 09:29:06.776 2026-06-18 16:43:10.542
TXT status-page-domain-verification=n00jg490wdwp 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
TXT v=spf1 ip4:204.14.232.0/21 ip4:216.6.202.0/24 ip4:195.160.236.246/32 ip4:195.160.237.248/32 ip4:52.38.191.241 include:rp.oracleemaildelivery.com ip4:182.50.76.0/22 include:spf_c.oraclecloud.com ip4:216.146.45.0/24 ip4:96.43.144.0/20 ip4:104.209.130.71 ip4:104.209.133.54 ip4:104.209.134.151 ip4:104.209.133.195 ip4:104.209.130.35 ip4:104.209.132.14 ip4:111.221.94.91 ip4:23.98.64.25 ip4:138.91.37.12 ip4:23.101.16.102 ip4:23.101.17.118 ip4:23.101.18.6 ip4:40.123.47.107 ip4:13.68.100.116 ip4:138.1.126.40 include:spf.dynect.net include:stspg-customer.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
NS ns2.p201.dns.oraclecloud.net 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
TXT google-site-verification=bVRc6gkGGrDswxAG2572YkZETdRoBASiYBBOw7yCovc 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
TXT MS=ms69102762 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
TXT google-site-verification: VRIuHYFo0s9aWRVZxlAPyReiMYiKsMfWduASFCCyDlI 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
MX 10 dyn-com.mail.protection.outlook.com 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
AAAA 2a02:26f0:8d00:14::213:7ca1 2026-05-26 09:29:06.776 2026-06-18 16:43:10.542
A 2.22.248.149 2026-05-26 09:29:06.776 2026-05-27 10:00:34.933
NS ns3.p201.dns.oraclecloud.net 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
TXT google-site-verification=K_ybzxaPfdlKzbSeYfXYPxZbe-lkCqOe5v4mYo_D15o 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
NS ns4.p201.dns.oraclecloud.net 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
A 2.22.248.185 2026-05-26 09:29:06.776 2026-05-27 10:00:34.933
TXT status-page-domain-verification=hmzrsytqqy6q 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
NS ns1.p201.dns.oraclecloud.net 2026-05-26 09:29:06.776 2026-07-27 17:10:00.750
A 23.222.236.187 2026-05-27 17:11:49.618 2026-06-18 16:39:36.706
A 23.222.236.167 2026-05-27 17:11:49.618 2026-06-18 16:39:36.706
AAAA 2a02:26f0:c900:17::5f65:88c9 2026-06-18 16:39:36.706 2026-07-15 20:04:13.980
AAAA 2a02:26f0:c900:17::5f65:88c5 2026-06-18 16:39:36.706 2026-07-15 20:04:13.980
A 95.101.136.201 2026-06-18 16:43:10.542 2026-07-15 20:04:13.980
A 95.101.136.197 2026-06-18 16:43:10.542 2026-07-15 20:04:13.980
A 95.101.74.8 2026-07-27 17:10:00.750 2026-07-27 17:10:00.750
A 95.101.74.56 2026-07-27 17:10:00.750 2026-07-27 17:10:00.750
AAAA 2a02:ce0:1:88::5633:5189 2026-07-27 17:10:00.750 2026-07-27 17:10:00.750
AAAA 2a02:ce0:1:88::5633:5119 2026-07-27 17:10:00.750 2026-07-27 17:10:00.750