`ct.captcha-delivery.com`

DNSSEC	⚠️ Not signed
A	13.225.107.14^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
		PTR	`server-13-225-107-14.gru3.r.cloudfront.net`
A	13.225.107.65^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
A	13.225.107.68^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
A	13.225.107.104^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}

DataDome CAPTCHA Delivery Domain

captcha-delivery.com is a service domain operated by DataDome, a cybersecurity company specializing in real-time bot detection and fraud prevention. When DataDome's protection system detects potentially automated or suspicious traffic on a protected website, it redirects visitors to captcha-delivery.com to present a CAPTCHA challenge before allowing access.

About DataDome

DataDome was founded in 2015 and is headquartered in New York, with additional offices in Paris and Singapore. The company provides:

Bot detection and mitigation - AI-powered identification of malicious automated traffic
Account protection - Preventing credential stuffing and account takeover attacks
Ad fraud protection - Blocking click fraud and invalid traffic
Web scraping defense - Protecting content from unauthorized harvesting
DDoS protection - Mitigating distributed denial-of-service attacks

DataDome processes over 350 billion attacks annually and claims to block fraudulent activity in under 2 milliseconds. The company was named a Leader in the Forrester Wave for Bot Management.

Technical Infrastructure

Hosting: Amazon Web Services (AWS)
Nameservers: AWS Route 53 (ns-257.awsdns-32.com, ns-730.awsdns-27.net, ns-1456.awsdns-54.org, ns-1890.awsdns-44.co.uk)
DNSSEC: Not enabled
Tranco Rank: ~4,125 (indicating high traffic volume from CAPTCHA challenges worldwide)

The domain itself does not resolve to a website directly—it functions solely as the delivery mechanism for DataDome's CAPTCHA challenge pages served to protected sites' visitors.

Same first word

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ct.se

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ct.ventures

Similar names

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tc.su

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tc.nl

tc

tc.org

tc.co.kr

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tc.pl

tc.dk

tc.com.ru

tc.de

tc.kg

tc.com.pl

tc.no

tc.com.ua

tc.lt

tc.ee

DNS History

60 records (4 active, 56 former)

○A108.139.113.1202026-04-07 → 2026-04-11 · 20 obs

○ 2026-04-07 19:58:32
● 2026-04-07 22:26:02
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● 2026-04-11 21:38:06
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○ 2026-04-12 03:57:26

○A108.139.113.1222026-04-07 → 2026-04-11 · 20 obs

○A108.139.113.502026-04-07 → 2026-04-11 · 20 obs

○A108.139.113.792026-04-07 → 2026-04-11 · 20 obs

●A13.225.107.1042026-03-28 → 2026-04-12 · 30 obs

○ 2026-03-28 10:50:52
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●A13.225.107.142026-03-28 → 2026-04-12 · 30 obs

●A13.225.107.652026-03-28 → 2026-04-12 · 30 obs

●A13.225.107.682026-03-28 → 2026-04-12 · 30 obs

○A13.32.171.302020-02-06 → 2020-02-06 · 3 obs

● 2020-02-06 11:58:54
○ 2026-02-15 23:14:20
○ 2026-04-12 03:57:26

○A13.32.171.602020-02-06 → 2020-02-06 · 3 obs

● 2020-02-06 11:58:54
○ 2026-02-15 23:14:20
○ 2026-04-12 03:57:26

○A13.32.171.72020-02-06 → 2020-02-06 · 3 obs

● 2020-02-06 11:58:54
○ 2026-02-15 23:14:20
○ 2026-04-12 03:57:26

○A13.32.171.772020-02-06 → 2020-02-06 · 3 obs

● 2020-02-06 11:58:54
○ 2026-02-15 23:14:20
○ 2026-04-12 03:57:26

○A18.161.205.1062026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 16:44:38
● 2026-04-03 18:42:58
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○A18.161.205.1222026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 16:44:38
● 2026-04-03 18:42:58
○ 2026-04-03 20:35:28
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○A18.161.205.1272026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 16:44:38
● 2026-04-03 18:42:58
○ 2026-04-03 20:35:28
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○A18.161.205.742026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 16:44:38
● 2026-04-03 18:42:58
○ 2026-04-03 20:35:28
○ 2026-04-12 03:57:26

○A18.165.140.212026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 00:49:36
● 2026-03-25 06:23:28
○ 2026-03-25 08:05:26
○ 2026-04-12 03:57:26

○A18.165.140.492026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 00:49:36
● 2026-03-25 06:23:28
○ 2026-03-25 08:05:26
○ 2026-04-12 03:57:26

○A18.165.140.502026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 00:49:36
● 2026-03-25 06:23:28
○ 2026-03-25 08:05:26
○ 2026-04-12 03:57:26

○A18.165.140.672026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 00:49:36
● 2026-03-25 06:23:28
○ 2026-03-25 08:05:26
○ 2026-04-12 03:57:26

○A18.245.218.1022026-02-15 → 2026-04-11 · 168 obs

○ 2020-02-06 11:58:54
● 2026-02-15 23:14:20
● 2026-02-16 22:31:42
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○ 2026-02-21 15:43:36
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● 2026-03-12 19:37:22
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○ 2026-03-18 00:08:56
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○ 2026-03-19 00:10:58
● 2026-03-19 04:05:32
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● 2026-03-20 17:28:12
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○ 2026-03-23 07:16:04
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● 2026-03-25 00:49:36
○ 2026-03-25 06:23:28
○ 2026-03-25 15:36:54
● 2026-03-26 02:54:32
● 2026-03-27 04:47:52
○ 2026-03-27 21:40:08
○ 2026-03-28 00:29:42
● 2026-03-28 02:52:34
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○ 2026-03-29 00:47:44
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● 2026-03-30 02:18:30
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● 2026-03-30 14:57:12
● 2026-03-30 23:54:56
○ 2026-03-31 10:57:48
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○ 2026-03-31 19:39:32
● 2026-04-01 02:18:50
● 2026-04-01 03:43:10
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● 2026-04-01 07:53:28
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● 2026-04-01 22:54:22
● 2026-04-02 04:25:04
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● 2026-04-02 18:36:18
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● 2026-04-02 22:30:24
● 2026-04-03 01:28:40
○ 2026-04-03 06:29:52
● 2026-04-03 11:47:28
● 2026-04-03 16:44:38
○ 2026-04-03 18:42:58
● 2026-04-03 20:35:28
● 2026-04-06 00:29:54
○ 2026-04-06 07:16:50
● 2026-04-06 13:33:32
● 2026-04-07 19:58:32
○ 2026-04-07 22:26:02
○ 2026-04-07 23:22:14
● 2026-04-08 01:15:52
● 2026-04-08 03:54:30
○ 2026-04-08 07:23:30
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● 2026-04-09 05:21:44
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● 2026-04-10 21:57:36
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● 2026-04-11 15:34:24
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○ 2026-04-12 03:57:24
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○A18.245.218.482026-02-15 → 2026-04-11 · 168 obs

○A18.245.218.632026-02-15 → 2026-04-11 · 168 obs

○A18.245.218.902026-02-15 → 2026-04-11 · 168 obs

○A18.64.236.1132026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 01:28:40
● 2026-04-03 06:29:52
○ 2026-04-03 11:47:28
○ 2026-04-12 03:57:26

○A18.64.236.192026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 01:28:40
● 2026-04-03 06:29:52
○ 2026-04-03 11:47:28
○ 2026-04-12 03:57:26

○A18.64.236.42026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 01:28:40
● 2026-04-03 06:29:52
○ 2026-04-03 11:47:28
○ 2026-04-12 03:57:26

○A18.64.236.582026-04-03 → 2026-04-03 · 4 obs

○ 2026-04-03 01:28:40
● 2026-04-03 06:29:52
○ 2026-04-03 11:47:28
○ 2026-04-12 03:57:26

○A3.164.68.1142026-03-22 → 2026-03-24 · 8 obs

○ 2026-03-22 01:10:26
● 2026-03-22 10:08:30
● 2026-03-22 15:18:06
○ 2026-03-22 17:33:22
○ 2026-03-24 02:54:14
● 2026-03-24 12:19:08
○ 2026-03-24 15:46:28
○ 2026-04-12 03:57:26

○A3.164.68.292026-03-22 → 2026-03-24 · 8 obs

○ 2026-03-22 01:10:26
● 2026-03-22 10:08:30
● 2026-03-22 15:18:06
○ 2026-03-22 17:33:22
○ 2026-03-24 02:54:14
● 2026-03-24 12:19:08
○ 2026-03-24 15:46:28
○ 2026-04-12 03:57:26

○A3.164.68.402026-03-22 → 2026-03-24 · 8 obs

○ 2026-03-22 01:10:26
● 2026-03-22 10:08:30
● 2026-03-22 15:18:06
○ 2026-03-22 17:33:22
○ 2026-03-24 02:54:14
● 2026-03-24 12:19:08
○ 2026-03-24 15:46:28
○ 2026-04-12 03:57:26

○A3.164.68.432026-03-22 → 2026-03-24 · 8 obs

○ 2026-03-22 01:10:26
● 2026-03-22 10:08:30
● 2026-03-22 15:18:06
○ 2026-03-22 17:33:22
○ 2026-03-24 02:54:14
● 2026-03-24 12:19:08
○ 2026-03-24 15:46:28
○ 2026-04-12 03:57:26

○A3.169.231.1002026-02-18 → 2026-03-20 · 83 obs

○ 2026-02-17 23:20:32
● 2026-02-18 22:45:58
● 2026-02-21 15:43:36
○ 2026-02-21 22:27:12
● 2026-02-22 10:49:02
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○A3.169.231.592026-02-18 → 2026-03-20 · 83 obs

○A3.169.231.702026-02-18 → 2026-03-20 · 83 obs

○A3.169.231.982026-02-18 → 2026-03-20 · 83 obs

○A3.170.42.1002026-02-17 → 2026-03-28 · 88 obs

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○A3.170.42.1082026-02-17 → 2026-03-28 · 88 obs

○A3.170.42.272026-02-17 → 2026-03-28 · 88 obs

○A3.170.42.692026-02-17 → 2026-03-28 · 88 obs

○A3.174.141.312026-03-19 → 2026-03-21 · 7 obs

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○A3.174.141.352026-03-19 → 2026-03-21 · 7 obs

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○A3.174.141.372026-03-19 → 2026-03-21 · 7 obs

○ 2026-03-19 05:15:54
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○A3.174.141.72026-03-19 → 2026-03-21 · 7 obs

○ 2026-03-19 05:15:54
● 2026-03-19 13:14:26
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○A3.175.34.102026-03-05 → 2026-03-05 · 4 obs

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○A3.175.34.1282026-03-05 → 2026-03-05 · 4 obs

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○A3.175.34.552026-03-05 → 2026-03-05 · 4 obs

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○A3.175.34.662026-03-05 → 2026-03-05 · 4 obs

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○A54.230.114.1142026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.1222026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.132026-03-22 → 2026-03-22 · 4 obs

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○A54.230.114.342026-03-22 → 2026-03-22 · 4 obs

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○A54.230.79.1182026-03-31 → 2026-04-06 · 14 obs

○ 2026-03-31 13:45:50
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○A54.230.79.182026-03-31 → 2026-04-06 · 14 obs

○A54.230.79.212026-03-31 → 2026-04-06 · 14 obs

○A54.230.79.462026-03-31 → 2026-04-06 · 14 obs

○A99.84.160.1182026-03-13 → 2026-03-22 · 10 obs

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○A99.84.160.1202026-03-13 → 2026-03-22 · 10 obs

○A99.84.160.422026-03-13 → 2026-03-22 · 10 obs

○A99.84.160.432026-03-13 → 2026-03-22 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
captcha-delivery.com	ns-257.awsdns-32.com, ns-730.awsdns-27.net, ns-1890.awsdns-44.co.uk, ns-1456.awsdns-54.org	1 record

✅ Authoritative Response

Server:205.251.193.1

NS records: ns-257.awsdns-32.com, ns-730.awsdns-27.net, ns-1890.awsdns-44.co.uk, ns-1456.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for captcha-delivery.com (unsigned zone)

⏱️ Timing

Total: 415ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.225.107.68, 13.225.107.65...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-257.awsdns-32.com)

Analysis

IP Addresses

ct.captcha-delivery.com maps to four IP numbers: 13.225.107.14, 13.225.107.65, 13.225.107.68 and 13.225.107.104.

Other host names, for instance d1a3r2z3eqe3uh.cloudfront.net, d1qysxdaqdqshc.cloudfront.net, www.kneppe.com, usa-update.com and webcorp.info share IP numbers with ct.captcha-delivery.com.

ct.captcha-delivery.com - robtex.com