levelbuilder-studio.code.org - dns.ninja

`levelbuilder-studio.code.org`

DNSSEC	⚠️ Not signed
A	3.170.19.11^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-11.iad61.r.cloudfront.net`
A	3.170.19.48^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.85^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.88^{🇺🇸 Amazon3.170.19.0/24}

`code.org`

	DNSSEC	⚠️ Not signed
	A	18.245.253.2^{🇺🇸 Amazon18.245.252.0/22}
	A	18.245.253.15^{🇺🇸 Amazon18.245.252.0/22}
	A	18.245.253.75^{🇺🇸 Amazon18.245.252.0/22}
	A	18.245.253.120^{🇺🇸 Amazon18.245.252.0/22}
	NS	`ns-678.awsdns-20.net` ⭐
	NS	`ns-1497.awsdns-59.org`
	NS	`ns-1652.awsdns-14.co.uk`
	NS	`ns-269.awsdns-33.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`1password-site-verification=TPIIQMLIDNFZVKFU4KF3R72LRM`
	TXT	`MS=ms84680364`
	TXT	`atlassian-domain-verification=OTixRADMse89Mpeybwy2m81PhC7hgIimN7beU8xwqsKK6Tj...`
	TXT	`bugcrowd-verification=4e328e2cf7e9d86a17f10faeceeedd3e`
	TXT	`d1l2ndf1rv58my.cloudfront.net`
	TXT	`facebook-domain-verification=wvqcv3rz5jjrhuaoeyedkmqtyugi7b`
	TXT	`google-site-verification=-E_rSfU2SJ037l6KuAS1LMH7BQ7Lw-Feb1I7JZvVpqI`
	TXT	`google-site-verification=LPH506ckn9ILnoLbU7-_iLGwb7KnC-whH6LDFsYpvso`
	TXT	`google-site-verification=MEP5IUpWIF4sLlOnOyFoy8IB9KA-aZmKBukf30eO4-Y`
	TXT	`google-site-verification=nD5EO832vd1LtEqVpphjLkH_nV4gxUKQb7MRotRUUkY`
	TXT	`google-site-verification=rlD0fAw4zex4U4XrrJn3Zf--QddLebZcb5seIznZ1_4`
	TXT	`pardot1121843=294f355dc244184aa79a9d92d7e82dbe6b4e3486bb2b74be1cabe0af2b14981d`
	TXT	`sending_domain1121843=909326644e56ca9f0d77cbc24cd152887da893af83565426791cae0...`
	TXT	`t9dtxv28tq4n7tbn7355t26r62jtyh19`
	TXT	`v=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com...`
	SOA	`ns-678.awsdns-20.net`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (94/100)
rank #3575 globally
rank #444 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #3,590

DNS History

80 records (4 active, 76 former)

○A108.158.137.1272026-04-03 → 2026-05-17 · 22 obs

○ 2026-04-03 17:25:10
● 2026-04-03 21:27:50
○ 2026-04-04 12:42:14
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● 2026-05-17 07:40:16
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○ 2026-06-26 19:23:44

○A108.158.137.412026-04-03 → 2026-05-17 · 22 obs

○A108.158.137.442026-04-03 → 2026-05-17 · 22 obs

○A108.158.137.692026-04-03 → 2026-05-17 · 22 obs

○A13.227.87.1272026-05-21 → 2026-05-29 · 15 obs

○ 2026-05-20 12:10:16
● 2026-05-21 02:54:06
● 2026-05-21 06:41:42
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● 2026-05-29 04:41:40
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○ 2026-06-26 19:23:44

○A13.227.87.362026-05-21 → 2026-05-29 · 15 obs

○A13.227.87.372026-05-21 → 2026-05-29 · 15 obs

○A13.227.87.922026-05-21 → 2026-05-29 · 15 obs

○A13.32.206.332018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A13.33.212.2372018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A13.33.235.1102026-03-23 → 2026-06-02 · 22 obs

○ 2026-03-20 04:34:04
● 2026-03-23 02:22:56
○ 2026-03-23 04:09:18
● 2026-03-23 08:05:22
● 2026-03-23 09:43:42
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● 2026-03-24 11:57:50
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○ 2026-03-27 00:26:28
○ 2026-06-02 19:33:58
● 2026-06-02 21:44:04
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○ 2026-06-26 19:23:44

○A13.33.235.1212026-03-23 → 2026-06-02 · 22 obs

○A13.33.235.302026-03-23 → 2026-06-02 · 22 obs

○A13.33.235.592026-03-23 → 2026-06-02 · 22 obs

○A13.33.82.1282026-04-21 → 2026-05-07 · 21 obs

○ 2026-04-20 06:10:24
● 2026-04-21 20:35:16
○ 2026-04-22 03:30:32
○ 2026-04-23 17:14:30
● 2026-04-24 04:49:26
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● 2026-05-07 23:21:42
○ 2026-05-08 11:15:18
○ 2026-06-26 19:23:44

○A13.33.82.52026-04-21 → 2026-05-07 · 21 obs

○A13.33.82.862026-04-21 → 2026-05-07 · 21 obs

○A13.33.82.872026-04-21 → 2026-05-07 · 21 obs

○A13.35.142.2202018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A13.35.20.2192018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A18.154.132.1282026-02-15 → 2026-03-20 · 21 obs

○ 2018-12-09 04:08:56
● 2026-02-15 10:28:12
● 2026-02-15 23:13:20
○ 2026-02-16 21:51:28
○ 2026-02-17 12:05:12
● 2026-02-18 06:36:52
○ 2026-02-19 06:32:44
○ 2026-02-23 03:17:12
● 2026-02-23 18:40:22
○ 2026-02-24 13:04:30
○ 2026-02-26 07:54:52
● 2026-02-26 18:17:52
○ 2026-02-27 21:46:00
○ 2026-03-01 17:26:14
● 2026-03-03 00:14:20
● 2026-03-04 23:26:16
○ 2026-03-06 16:17:58
○ 2026-03-20 03:26:50
● 2026-03-20 04:34:04
○ 2026-03-23 02:22:56
○ 2026-06-26 19:23:44

○A18.154.132.262026-02-15 → 2026-03-20 · 21 obs

○A18.154.132.402026-02-15 → 2026-03-20 · 21 obs

○A18.154.132.942026-02-15 → 2026-03-20 · 21 obs

○A18.160.225.492026-05-29 → 2026-06-08 · 22 obs

○ 2026-05-29 09:39:44
● 2026-05-29 21:38:56
● 2026-05-31 09:42:52
○ 2026-05-31 11:12:46
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● 2026-06-02 01:19:52
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● 2026-06-08 07:21:56
○ 2026-06-08 08:44:24
○ 2026-06-26 19:23:44

○A18.160.225.652026-05-29 → 2026-06-08 · 22 obs

○A18.160.225.892026-05-29 → 2026-06-08 · 22 obs

○A18.160.225.952026-05-29 → 2026-06-08 · 22 obs

○A18.239.183.1082026-05-10 → 2026-05-20 · 22 obs

○ 2026-05-08 11:15:18
● 2026-05-10 07:26:20
○ 2026-05-10 11:18:18
● 2026-05-10 11:58:16
○ 2026-05-10 17:02:46
○ 2026-05-12 10:54:12
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● 2026-05-13 04:04:20
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● 2026-05-14 05:06:38
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○ 2026-05-16 20:53:42
● 2026-05-17 03:38:34
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● 2026-05-18 15:24:12
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● 2026-05-20 09:35:42
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○ 2026-06-26 19:23:44

○A18.239.183.382026-05-10 → 2026-05-20 · 22 obs

○A18.239.183.412026-05-10 → 2026-05-20 · 22 obs

○A18.239.183.542026-05-10 → 2026-05-20 · 22 obs

○A18.245.218.102026-02-17 → 2026-06-26 · 37 obs

○ 2026-02-16 21:51:28
● 2026-02-17 00:17:32
● 2026-02-17 12:05:12
○ 2026-02-18 06:36:52
○ 2026-03-08 13:30:30
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● 2026-06-26 02:51:54
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○ 2026-06-26 19:23:44

○A18.245.218.1152026-02-17 → 2026-06-26 · 37 obs

○A18.245.218.82026-02-17 → 2026-06-26 · 37 obs

○A18.245.218.952026-02-17 → 2026-06-26 · 37 obs

○A18.64.174.1222026-06-17 → 2026-06-21 · 8 obs

○ 2026-06-16 15:29:24
● 2026-06-17 08:08:38
○ 2026-06-17 15:23:40
● 2026-06-17 16:19:52
○ 2026-06-17 16:58:06
● 2026-06-21 16:19:58
○ 2026-06-21 20:38:42
○ 2026-06-26 19:23:44

○A18.64.174.132026-06-17 → 2026-06-21 · 8 obs

○ 2026-06-16 15:29:24
● 2026-06-17 08:08:38
○ 2026-06-17 15:23:40
● 2026-06-17 16:19:52
○ 2026-06-17 16:58:06
● 2026-06-21 16:19:58
○ 2026-06-21 20:38:42
○ 2026-06-26 19:23:44

○A18.64.174.42026-06-17 → 2026-06-21 · 8 obs

○ 2026-06-16 15:29:24
● 2026-06-17 08:08:38
○ 2026-06-17 15:23:40
● 2026-06-17 16:19:52
○ 2026-06-17 16:58:06
● 2026-06-21 16:19:58
○ 2026-06-21 20:38:42
○ 2026-06-26 19:23:44

○A18.64.174.992026-06-17 → 2026-06-21 · 8 obs

○ 2026-06-16 15:29:24
● 2026-06-17 08:08:38
○ 2026-06-17 15:23:40
● 2026-06-17 16:19:52
○ 2026-06-17 16:58:06
● 2026-06-21 16:19:58
○ 2026-06-21 20:38:42
○ 2026-06-26 19:23:44

○A3.167.152.1272026-05-19 → 2026-05-20 · 9 obs

○ 2026-05-18 22:48:02
● 2026-05-19 08:35:14
○ 2026-05-19 09:17:18
○ 2026-05-19 11:06:22
● 2026-05-19 15:15:24
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● 2026-05-20 12:10:16
○ 2026-05-21 02:54:06
○ 2026-06-26 19:23:44

○A3.167.152.662026-05-19 → 2026-05-20 · 9 obs

○A3.167.152.862026-05-19 → 2026-05-20 · 9 obs

○A3.167.152.952026-05-19 → 2026-05-20 · 9 obs

●A3.170.19.112026-02-16 → 2026-06-26 · 21 obs

○ 2026-02-15 23:13:20
● 2026-02-16 21:51:28
○ 2026-02-17 00:17:32
○ 2026-02-18 06:36:52
● 2026-02-19 06:32:44
● 2026-02-21 16:04:58
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● 2026-02-27 21:46:00
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● 2026-04-19 01:41:14
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● 2026-06-19 14:26:32
● 2026-06-19 23:41:20
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● 2026-06-21 05:40:28
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● 2026-06-26 19:23:42
● 2026-06-26 19:23:44

●A3.170.19.482026-02-16 → 2026-06-26 · 21 obs

●A3.170.19.852026-02-16 → 2026-06-26 · 21 obs

●A3.170.19.882026-02-16 → 2026-06-26 · 21 obs

○A3.174.26.1102026-06-07 → 2026-06-07 · 5 obs

○ 2026-06-05 14:25:52
● 2026-06-07 13:22:28
● 2026-06-07 13:56:44
○ 2026-06-07 15:45:02
○ 2026-06-26 19:23:44

○A3.174.26.1292026-06-07 → 2026-06-07 · 5 obs

○ 2026-06-05 14:25:52
● 2026-06-07 13:22:28
● 2026-06-07 13:56:44
○ 2026-06-07 15:45:02
○ 2026-06-26 19:23:44

○A3.174.26.242026-06-07 → 2026-06-07 · 5 obs

○ 2026-06-05 14:25:52
● 2026-06-07 13:22:28
● 2026-06-07 13:56:44
○ 2026-06-07 15:45:02
○ 2026-06-26 19:23:44

○A3.174.26.582026-06-07 → 2026-06-07 · 5 obs

○ 2026-06-05 14:25:52
● 2026-06-07 13:22:28
● 2026-06-07 13:56:44
○ 2026-06-07 15:45:02
○ 2026-06-26 19:23:44

○A3.174.29.402026-04-09 → 2026-04-20 · 16 obs

○ 2026-04-04 12:42:14
● 2026-04-09 01:48:04
● 2026-04-09 09:06:44
○ 2026-04-09 18:08:12
● 2026-04-09 20:39:02
○ 2026-04-09 23:50:18
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● 2026-04-10 09:17:28
○ 2026-04-10 13:38:58
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● 2026-04-16 16:49:06
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○ 2026-04-19 01:41:14
● 2026-04-20 03:42:52
○ 2026-04-20 06:10:24
○ 2026-06-26 19:23:44

○A3.174.29.512026-04-09 → 2026-04-20 · 16 obs

○A3.174.29.772026-04-09 → 2026-04-20 · 16 obs

○A3.174.29.812026-04-09 → 2026-04-20 · 16 obs

○A3.174.83.62026-03-28 → 2026-06-16 · 22 obs

○ 2026-03-27 00:26:28
● 2026-03-28 10:56:22
○ 2026-03-28 12:35:12
○ 2026-03-28 15:44:24
● 2026-03-28 17:17:10
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○ 2026-06-16 02:21:46
● 2026-06-16 11:01:08
○ 2026-06-16 15:29:24
○ 2026-06-26 19:23:44

○A3.174.83.762026-03-28 → 2026-06-16 · 22 obs

○A3.174.83.942026-03-28 → 2026-06-16 · 22 obs

○A3.174.83.992026-03-28 → 2026-06-16 · 22 obs

○A3.175.14.152026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-13 20:10:22
● 2026-04-16 06:25:30
○ 2026-04-16 16:49:06
○ 2026-06-26 19:23:44

○A3.175.14.442026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-13 20:10:22
● 2026-04-16 06:25:30
○ 2026-04-16 16:49:06
○ 2026-06-26 19:23:44

○A3.175.14.452026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-13 20:10:22
● 2026-04-16 06:25:30
○ 2026-04-16 16:49:06
○ 2026-06-26 19:23:44

○A3.175.14.702026-04-16 → 2026-04-16 · 4 obs

○ 2026-04-13 20:10:22
● 2026-04-16 06:25:30
○ 2026-04-16 16:49:06
○ 2026-06-26 19:23:44

○A52.84.175.1612018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A54.192.151.432026-06-02 → 2026-06-04 · 12 obs

○ 2026-06-02 13:00:54
● 2026-06-02 15:55:54
○ 2026-06-02 19:33:58
○ 2026-06-03 09:39:54
● 2026-06-03 10:26:00
● 2026-06-03 17:56:04
○ 2026-06-03 20:41:50
○ 2026-06-04 09:16:06
● 2026-06-04 16:52:42
● 2026-06-04 17:47:22
○ 2026-06-04 18:48:22
○ 2026-06-26 19:23:44

○A54.192.151.542026-06-02 → 2026-06-04 · 12 obs

○A54.192.151.572026-06-02 → 2026-06-04 · 12 obs

○A54.192.151.852026-06-02 → 2026-06-04 · 12 obs

○A54.192.192.1332018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A54.192.30.1082018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A54.230.145.1982018-12-09 → 2018-12-09 · 3 obs

● 2018-12-09 04:08:56
○ 2026-02-15 10:28:12
○ 2026-06-26 19:23:44

○A54.230.79.142026-03-31 → 2026-06-25 · 35 obs

○ 2026-03-30 14:59:58
● 2026-03-31 08:17:16
○ 2026-03-31 10:39:14
○ 2026-04-01 23:25:18
● 2026-04-02 10:29:34
○ 2026-04-02 14:26:52
○ 2026-04-03 07:14:20
● 2026-04-03 08:09:42
● 2026-04-03 17:25:10
○ 2026-04-03 21:27:50
○ 2026-06-18 00:15:36
● 2026-06-18 07:52:02
● 2026-06-18 09:20:24
○ 2026-06-18 10:52:10
● 2026-06-18 13:18:34
○ 2026-06-18 19:02:16
● 2026-06-21 00:59:36
○ 2026-06-21 04:19:38
● 2026-06-21 08:24:36
○ 2026-06-21 09:37:26
● 2026-06-22 16:13:52
○ 2026-06-22 17:41:52
● 2026-06-23 05:58:22
○ 2026-06-23 08:04:00
● 2026-06-24 04:20:30
○ 2026-06-24 09:48:52
● 2026-06-24 12:21:02
○ 2026-06-24 13:39:30
● 2026-06-24 21:36:20
○ 2026-06-25 03:03:00
● 2026-06-25 08:21:46
○ 2026-06-25 10:04:02
● 2026-06-25 20:22:10
○ 2026-06-26 02:51:54
○ 2026-06-26 19:23:44

○A54.230.79.272026-03-31 → 2026-06-25 · 35 obs

○A54.230.79.412026-03-31 → 2026-06-25 · 35 obs

○A54.230.79.892026-03-31 → 2026-06-25 · 35 obs

○A99.84.160.1122026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-06 16:17:58
● 2026-03-07 22:05:14
● 2026-03-08 13:30:30
○ 2026-03-09 05:47:46
○ 2026-03-10 12:10:48
● 2026-03-14 11:53:30
○ 2026-03-14 13:52:44
○ 2026-06-26 19:23:44

○A99.84.160.32026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-06 16:17:58
● 2026-03-07 22:05:14
● 2026-03-08 13:30:30
○ 2026-03-09 05:47:46
○ 2026-03-10 12:10:48
● 2026-03-14 11:53:30
○ 2026-03-14 13:52:44
○ 2026-06-26 19:23:44

○A99.84.160.422026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-06 16:17:58
● 2026-03-07 22:05:14
● 2026-03-08 13:30:30
○ 2026-03-09 05:47:46
○ 2026-03-10 12:10:48
● 2026-03-14 11:53:30
○ 2026-03-14 13:52:44
○ 2026-06-26 19:23:44

○A99.84.160.932026-03-07 → 2026-03-14 · 8 obs

○ 2026-03-06 16:17:58
● 2026-03-07 22:05:14
● 2026-03-08 13:30:30
○ 2026-03-09 05:47:46
○ 2026-03-10 12:10:48
● 2026-03-14 11:53:30
○ 2026-03-14 13:52:44
○ 2026-06-26 19:23:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
code.org	ns-269.awsdns-33.com, ns-1497.awsdns-59.org, ns-678.awsdns-20.net, ns-1652.awsdns-14.co.uk	2 records

✅ Authoritative Response

Server:205.251.197.217

NS records: ns-269.awsdns-33.com, ns-1497.awsdns-59.org, ns-678.awsdns-20.net, ns-1652.awsdns-14.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code.org (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.85, 3.170.19.48...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1497.awsdns-59.org, ns-1497.awsdns-59.org)

Analysis

IP Addresses

levelbuilder-studio.code.org resolves to four IP addresses: 3.170.19.11, 3.170.19.48, 3.170.19.85 and 3.170.19.88.

Two other host names, along with 177908.measurementapi.com, 17900.api-02.com and d3lu1vktpsknl3.cloudfront.net, also share IP numbers with levelbuilder-studio.code.org.