`comstatic.iot.duolingo.com`

DNSSEC	⚠️ Not signed
A	23.22.119.55^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
		PTR	`ec2-23-22-119-55.compute-1.amazonaws.com`
A	52.45.171.146^{🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix}
A	54.243.145.14^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}

`iot.duolingo.com`

	DNSSEC	⚠️ Not signed
	A	23.22.119.55^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
	A	52.45.171.146^{🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix}
	A	54.243.145.14^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}

WOT: SAFE (93/100)
WOT: SAFE (94/100)

Subdomains

apiproxies.comstatic.iot.duolingo.com

Same first word

comstatic.com

Similar names

comtastic.net

staticcom.click

DNS History

53 records (3 active, 50 former)

○A100.29.244.542026-02-24 → 2026-02-27 · 5 obs

○ 2026-02-24 09:12:44
● 2026-02-24 19:57:56
● 2026-02-27 03:28:38
○ 2026-02-28 09:35:30
○ 2026-03-26 00:58:16

○A100.30.104.1332026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-20 06:09:02
● 2026-02-22 00:42:14
○ 2026-02-23 09:52:50
○ 2026-03-26 00:58:16

○A100.48.169.442026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 02:56:46
○ 2026-02-17 16:39:14
○ 2026-03-26 00:58:16

○A100.49.72.32026-02-20 → 2026-02-20 · 4 obs

○ 2026-02-18 03:55:06
● 2026-02-20 06:09:02
○ 2026-02-22 00:42:14
○ 2026-03-26 00:58:16

○A107.20.167.902026-02-24 → 2026-02-24 · 4 obs

○ 2026-02-24 09:12:44
● 2026-02-24 19:57:56
○ 2026-02-24 21:14:16
○ 2026-03-26 00:58:16

○A107.21.248.1752026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 02:56:46
○ 2026-02-17 16:39:14
○ 2026-03-26 00:58:16

○A174.129.37.242026-03-04 → 2026-03-05 · 5 obs

○ 2026-03-03 19:44:50
● 2026-03-04 23:54:32
● 2026-03-05 11:18:34
○ 2026-03-06 03:48:58
○ 2026-03-26 00:58:16

○A18.208.119.1942026-03-14 → 2026-03-17 · 5 obs

○ 2026-03-14 22:18:44
● 2026-03-14 23:12:00
● 2026-03-17 10:30:52
○ 2026-03-17 17:11:52
○ 2026-03-26 00:58:16

○A18.213.96.2252026-02-28 → 2026-03-03 · 5 obs

○ 2026-02-27 03:28:38
● 2026-02-28 09:35:30
● 2026-03-03 19:44:50
○ 2026-03-04 23:54:32
○ 2026-03-26 00:58:16

○A18.235.253.1372026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 13:06:24
● 2026-03-14 22:18:44
○ 2026-03-14 23:12:00
○ 2026-03-26 00:58:16

○A184.72.253.1192026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-05 11:18:34
● 2026-03-06 03:48:58
● 2026-03-06 10:15:46
○ 2026-03-09 19:17:16
○ 2026-03-26 00:58:16

○A23.20.99.2162026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-05 11:18:34
● 2026-03-06 03:48:58
● 2026-03-06 10:15:46
○ 2026-03-09 19:17:16
○ 2026-03-26 00:58:16

●A23.22.119.552026-03-21 → 2026-03-26 · 3 obs

○ 2026-03-17 17:11:52
● 2026-03-21 00:26:04
● 2026-03-26 00:58:16

○A3.208.236.2262026-02-17 → 2026-02-18 · 5 obs

○ 2026-02-16 02:56:46
● 2026-02-17 16:39:14
● 2026-02-18 03:55:06
○ 2026-02-20 06:09:02
○ 2026-03-26 00:58:16

○A3.209.142.792026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 02:55:34
● 2026-03-03 19:44:50
○ 2026-03-04 23:54:32
○ 2026-03-26 00:58:16

○A3.216.37.2262026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-20 06:09:02
● 2026-02-22 00:42:14
○ 2026-02-23 09:52:50
○ 2026-03-26 00:58:16

○A3.221.97.2032026-03-16 → 2026-03-21 · 9 obs

○ 2026-03-16 00:55:28
● 2026-03-16 08:43:28
● 2026-03-16 16:11:44
○ 2026-03-17 05:44:12
○ 2026-03-17 10:30:52
● 2026-03-17 17:11:52
● 2026-03-21 00:26:04
○ 2026-03-22 14:41:46
○ 2026-03-26 00:58:16

○A34.193.4.1452026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-24 11:56:44
● 2026-03-25 01:59:28
○ 2026-03-25 14:04:38
○ 2026-03-26 00:58:16

○A34.197.186.2352026-03-09 → 2026-03-10 · 5 obs

○ 2026-03-06 10:15:46
● 2026-03-09 19:17:16
● 2026-03-10 05:32:38
○ 2026-03-10 10:36:46
○ 2026-03-26 00:58:16

○A34.199.217.1782026-03-09 → 2026-03-12 · 5 obs

○ 2026-03-06 10:15:46
● 2026-03-09 19:17:16
● 2026-03-12 18:22:10
○ 2026-03-14 01:15:32
○ 2026-03-26 00:58:16

○A34.207.46.2102026-02-24 → 2026-02-24 · 4 obs

○ 2026-02-23 09:52:50
● 2026-02-24 09:12:44
○ 2026-02-24 19:57:56
○ 2026-03-26 00:58:16

○A34.230.251.2552026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-12 18:22:10
● 2026-03-14 01:15:32
● 2026-03-14 22:18:44
○ 2026-03-14 23:12:00
○ 2026-03-26 00:58:16

○A34.234.44.1242026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:54:32
● 2026-03-05 11:18:34
○ 2026-03-06 03:48:58
○ 2026-03-26 00:58:16

○A34.237.159.812026-02-16 → 2026-03-26 · 2 obs

○ 2026-02-16 02:56:46
○ 2026-03-26 00:58:16

○A44.198.221.522026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-20 06:09:02
● 2026-02-22 00:42:14
● 2026-02-23 09:52:50
○ 2026-02-24 09:12:44
○ 2026-03-26 00:58:16

○A44.208.78.1912026-02-24 → 2026-02-26 · 5 obs

○ 2026-02-24 09:12:44
● 2026-02-24 19:57:56
● 2026-02-26 11:09:52
○ 2026-02-26 23:00:16
○ 2026-03-26 00:58:16

○A44.215.37.1642026-02-24 → 2026-02-24 · 4 obs

○ 2026-02-23 09:52:50
● 2026-02-24 09:12:44
○ 2026-02-24 19:57:56
○ 2026-03-26 00:58:16

○A44.219.45.102026-03-16 → 2026-03-21 · 5 obs

○ 2026-03-15 12:57:54
● 2026-03-16 00:55:28
● 2026-03-21 00:26:04
○ 2026-03-22 14:41:46
○ 2026-03-26 00:58:16

○A50.16.239.2232026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-20 06:09:02
● 2026-02-22 00:42:14
● 2026-02-23 09:52:50
○ 2026-02-24 09:12:44
○ 2026-03-26 00:58:16

○A52.1.2.592026-03-04 → 2026-03-05 · 5 obs

○ 2026-03-03 19:44:50
● 2026-03-04 23:54:32
● 2026-03-05 11:18:34
○ 2026-03-06 03:48:58
○ 2026-03-26 00:58:16

○A52.204.230.82026-02-17 → 2026-02-18 · 5 obs

○ 2026-02-16 02:56:46
● 2026-02-17 16:39:14
● 2026-02-18 03:55:06
○ 2026-02-20 06:09:02
○ 2026-03-26 00:58:16

○A52.22.249.1022026-02-24 → 2026-02-26 · 5 obs

○ 2026-02-24 09:12:44
● 2026-02-24 19:57:56
● 2026-02-26 11:09:52
○ 2026-02-26 23:00:16
○ 2026-03-26 00:58:16

○A52.3.197.92026-03-09 → 2026-03-11 · 5 obs

○ 2026-03-06 10:15:46
● 2026-03-09 19:17:16
● 2026-03-11 04:58:54
○ 2026-03-12 04:56:16
○ 2026-03-26 00:58:16

○A52.4.205.1782026-02-26 → 2026-03-03 · 7 obs

○ 2026-02-26 11:09:52
● 2026-02-26 23:00:16
● 2026-03-02 16:14:36
○ 2026-03-03 02:55:34
● 2026-03-03 19:44:50
○ 2026-03-04 23:54:32
○ 2026-03-26 00:58:16

●A52.45.171.1462026-03-25 → 2026-03-26 · 3 obs

○ 2026-03-25 15:43:22
● 2026-03-25 22:03:36
● 2026-03-26 00:58:16

○A52.5.179.2292026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-26 11:09:52
● 2026-02-26 23:00:16
○ 2026-02-27 03:28:38
○ 2026-03-26 00:58:16

○A52.54.221.2242026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 00:42:14
● 2026-02-23 09:52:50
○ 2026-02-24 09:12:44
○ 2026-03-26 00:58:16

○A52.70.243.682026-03-10 → 2026-03-14 · 5 obs

○ 2026-03-10 05:32:38
● 2026-03-10 10:36:46
● 2026-03-14 22:18:44
○ 2026-03-14 23:12:00
○ 2026-03-26 00:58:16

○A52.71.199.2382026-02-20 → 2026-02-20 · 4 obs

○ 2026-02-18 03:55:06
● 2026-02-20 06:09:02
○ 2026-02-22 00:42:14
○ 2026-03-26 00:58:16

○A52.91.116.1122026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-24 03:32:32
● 2026-03-24 11:56:44
○ 2026-03-25 01:59:28
○ 2026-03-26 00:58:16

○A54.152.92.742026-03-14 → 2026-03-23 · 5 obs

○ 2026-03-14 22:18:44
● 2026-03-14 23:12:00
● 2026-03-23 04:14:32
○ 2026-03-24 03:32:32
○ 2026-03-26 00:58:16

○A54.166.202.952026-03-25 → 2026-03-25 · 5 obs

○ 2026-03-24 11:56:44
● 2026-03-25 01:59:28
● 2026-03-25 15:43:22
○ 2026-03-25 22:03:36
○ 2026-03-26 00:58:16

○A54.172.165.72026-02-17 → 2026-02-18 · 5 obs

○ 2026-02-16 02:56:46
● 2026-02-17 16:39:14
● 2026-02-18 03:55:06
○ 2026-02-20 06:09:02
○ 2026-03-26 00:58:16

○A54.172.179.2452026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 10:15:46
● 2026-03-09 19:17:16
○ 2026-03-10 03:38:10
○ 2026-03-26 00:58:16

○A54.174.29.882026-03-14 → 2026-03-15 · 5 obs

○ 2026-03-14 22:18:44
● 2026-03-14 23:12:00
● 2026-03-15 12:57:54
○ 2026-03-16 00:55:28
○ 2026-03-26 00:58:16

○A54.204.235.252026-03-12 → 2026-03-14 · 5 obs

○ 2026-03-11 04:58:54
● 2026-03-12 04:56:16
● 2026-03-14 13:06:24
○ 2026-03-14 22:18:44
○ 2026-03-26 00:58:16

○A54.209.23.1422026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-02 16:14:36
● 2026-03-03 02:55:34
○ 2026-03-03 19:44:50
○ 2026-03-26 00:58:16

○A54.211.43.942026-03-06 → 2026-03-06 · 5 obs

○ 2026-03-05 11:18:34
● 2026-03-06 03:48:58
● 2026-03-06 10:15:46
○ 2026-03-09 19:17:16
○ 2026-03-26 00:58:16

●A54.243.145.142026-03-23 → 2026-03-26 · 3 obs

○ 2026-03-22 14:41:46
● 2026-03-23 04:14:32
● 2026-03-26 00:58:16

○A54.80.134.2182026-02-26 → 2026-03-02 · 5 obs

○ 2026-02-26 11:09:52
● 2026-02-26 23:00:16
● 2026-03-02 16:14:36
○ 2026-03-03 02:55:34
○ 2026-03-26 00:58:16

○A54.81.127.932026-02-20 → 2026-02-20 · 4 obs

○ 2026-02-18 03:55:06
● 2026-02-20 06:09:02
○ 2026-02-22 00:42:14
○ 2026-03-26 00:58:16

○A54.92.254.1672026-03-24 → 2026-03-24 · 4 obs

○ 2026-03-23 04:14:32
● 2026-03-24 03:32:32
○ 2026-03-24 11:56:44
○ 2026-03-26 00:58:16

○A98.95.57.662026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 02:56:46
○ 2026-02-17 16:39:14
○ 2026-03-26 00:58:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duolingo.com	ns-247.awsdns-30.com, ns-1020.awsdns-63.net, ns-1117.awsdns-11.org, ns-1904.awsdns-46.co.uk	1 record

✅ Authoritative Response

Server:205.251.196.93

NS records: ns-247.awsdns-30.com, ns-1020.awsdns-63.net, ns-1117.awsdns-11.org, ns-1904.awsdns-46.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duolingo.com (unsigned zone)

⏱️ Timing

Total: 1245ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.45.171.146, 23.22.119.55...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-247.awsdns-30.com)

Analysis

Hierarchy

The parent of apiproxies.comstatic.iot.duolingo.com is comstatic.iot.duolingo.com.

IP Addresses

comstatic.iot.duolingo.com points to three IP numbers: 23.22.119.55, 52.45.171.146 and 54.243.145.14.

Other host names such as ua.duolingo.com, www.ru.duolingo.com, joni.duolingo.com, pr-jenkins.sap.comforum.duolingo.com and duolingo-forum-web.duolingo.com share IPs with comstatic.iot.duolingo.com.

comstatic.iot.duolingo.com - robtex.com