d155.instructure.com - dns.ninja

`d155.instructure.com`

DNSSEC	⚠️ Not signed
A	18.160.18.11^{🇺🇸 Amazon18.160.16.0/21}
		PTR	`server-18-160-18-11.iad12.r.cloudfront.net`
A	18.160.18.102^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.119^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.126^{🇺🇸 Amazon18.160.16.0/21}

`instructure.com`

	DNSSEC	⚠️ Not signed
	A	151.101.2.132^{🇺🇸 Fastly151.101.0.0/22}
	A	151.101.66.132^{🇺🇸 Fastly151.101.64.0/22}
	NS	`ns-2.awsdns-00.com` ⭐
	NS	`ns-1354.awsdns-41.org`
	NS	`ns-1799.awsdns-32.co.uk`
	NS	`ns-996.awsdns-60.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽¹⁰⁾
	MX	`aspmx2.googlemail.com`⁽²⁰⁾
	MX	`aspmx3.googlemail.com`⁽²⁰⁾
	TXT	`2acd5847c66f4325be05af390213b8c7.instructure.com`
	TXT	`MS=ms20700021`
	TXT	`ZOOM_verify_Up1Opd4-S9ChtRORps16qw`
	TXT	`adobe-idp-site-verification=4287460e7429c97ad75b995bdef6b0d7ff1c9b541946abfaf...`
	TXT	`anthropic-domain-verification-2pz98m=hO4bmZQTC5gutJZcanKeagAWR`
	TXT	`anthropic-domain-verification-4mh4xs=A4vkPXqJIA4VVi9GAbxDEPohr`
	TXT	`anthropic-domain-verification-pz1pr3=sZkvFuBJeSdmEXoj4KJYYQW8Z`
	TXT	`anthropic-domain-verification-vz61c8=kfBobb4vvH2M9xtsZhFajtKHr`
	TXT	`apple-domain-verification=8oZZjgKWADRgkWui`
	TXT	`astro-domain-verification=cmbjhzn9b0c0h01pimts1v2h1`
	TXT	`atlassian-domain-verification=pS8CbCDhL3R1mMujl07LwhltWFcJtks8mrBa7l/1uocODR9...`
	TXT	`bugcrowd-verification=817deedf9414a9ea878ff255c42a9afa`
	TXT	`canva-site-verification=jRPvv0c9AZGTaJIIPIpfAQ`
	TXT	`canva-site-verification=jiASD5n0aNnvUnfIP1w4XA`
	TXT	`docker-verification=7555bc65-ce7a-4ed2-8028-4bf0274d2c5b`
	TXT	`docusign=1ca86ab9-2ddb-4d63-b719-4798811390ca`
	TXT	`drift-domain-verification=608941e9992460f0ccd58daa1decf1808863da188a929106582...`
	TXT	`fastly-domain-delegation-jpv3oeoqr3aouxwkbhpb-00480650-2025-07-31`
	TXT	`figma-domain-verification=848b9254b032bfe488e955a140a8a63cb345186c3c69b7200f7...`
	TXT	`google-site-verification=3SDlSr_fW_6bYm0BDDK4ZXs6I5yKtB4WyXL3GNozx8I`
	TXT	`google-site-verification=Som6bbrVvI5NLh3lTcpNSbp6_0GpFezQQ9xo6CrSHOQ`
	TXT	`google-site-verification=WSlNW84_Zm6mbOaM35pQyLJUt7-OtVXNjzXe9LT-eJI`
	TXT	`google-site-verification=bC89ByaBs616PDmJLrSUG5RS3fyA8agwCtXch9G0GL0`
	TXT	`hcp-domain-verification=24de36f1e2e1ad573ac320a62707e7ec8ac0cce2dccf7985914a8...`
	TXT	`jamf-site-verification=-bAufptjYdQAfzF-s7PBtQ`
	TXT	`m6bll7f2q2d2uidl6cq273dma0`
	TXT	`miro-verification=0ee36f655f5ce0499683c255714fcdbe990af0e0`
	TXT	`mongodb-site-verification=UyyatYgRcdnc3W9g8StgD1OK8wfcIouE`
	TXT	`onetrust-domain-verification=5ef48d8081ac4ab6adce9ed80c92f4e5`
	TXT	`openai-domain-verification=dv-wb5qFISTkDoktTMXLsDMVuZ0`
	TXT	`pendo-domain-verification=2l9wI_SzXdfdzA0ZCZUES4O0FS0`
	TXT	`sprout-social-715adb3f-6166-4bc5-b3d9-b1faf326db31`
	TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:_spf.q4press.com...`
	TXT	`zapier-domain-verification-challenge=fe79b183-171c-432c-bf5d-48b3e73fd0af`
	TXT	`zoho-verification=zb08654551.zmverify.zoho.com`
	SOA	`ns-2.awsdns-00.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (87/100)
rank #1400 globally
rank #756 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,807

Same first word

d155.org

Similar names

d515.cn

515d.net

d551.com

51d5.blogspot.fr

551d.com

15d5.com

DNS History

48 records (4 active, 44 former)

○A108.138.103.1072026-06-10 → 2026-06-16 · 20 obs

○ 2026-06-09 22:43:52
● 2026-06-10 01:52:32
○ 2026-06-10 04:09:00
● 2026-06-10 14:12:54
● 2026-06-11 01:28:54
○ 2026-06-11 02:27:36
● 2026-06-11 03:33:22
● 2026-06-11 07:46:28
○ 2026-06-11 13:40:32
○ 2026-06-12 08:18:24
● 2026-06-12 10:36:10
○ 2026-06-12 11:39:52
○ 2026-06-12 19:10:20
● 2026-06-12 21:19:46
● 2026-06-12 21:53:44
○ 2026-06-13 01:53:10
○ 2026-06-15 23:47:04
● 2026-06-16 00:41:38
○ 2026-06-16 04:32:22
○ 2026-06-25 14:28:50

○A108.138.103.32026-06-10 → 2026-06-16 · 20 obs

○A108.138.103.572026-06-10 → 2026-06-16 · 20 obs

○A108.138.103.992026-06-10 → 2026-06-16 · 20 obs

○A108.157.173.562026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 22:48:18
● 2026-06-18 00:40:54
○ 2026-06-18 04:34:42
○ 2026-06-25 14:28:50

○A108.157.173.592026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 22:48:18
● 2026-06-18 00:40:54
○ 2026-06-18 04:34:42
○ 2026-06-25 14:28:50

○A108.157.173.682026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 22:48:18
● 2026-06-18 00:40:54
○ 2026-06-18 04:34:42
○ 2026-06-25 14:28:50

○A108.157.173.702026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 22:48:18
● 2026-06-18 00:40:54
○ 2026-06-18 04:34:42
○ 2026-06-25 14:28:50

○A108.158.186.1162026-05-11 → 2026-05-18 · 13 obs

○ 2026-05-10 16:29:28
● 2026-05-11 00:50:30
○ 2026-05-11 09:59:00
○ 2026-05-13 09:11:34
● 2026-05-13 20:48:12
○ 2026-05-14 00:19:52
○ 2026-05-17 15:57:52
● 2026-05-17 23:04:16
● 2026-05-18 01:26:00
○ 2026-05-18 02:02:58
● 2026-05-18 02:55:16
○ 2026-05-18 03:25:18
○ 2026-06-25 14:28:50

○A108.158.186.22026-05-11 → 2026-05-18 · 13 obs

○A108.158.186.342026-05-11 → 2026-05-18 · 13 obs

○A108.158.186.992026-05-11 → 2026-05-18 · 13 obs

○A13.226.144.122026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-09 06:43:50
● 2026-04-09 11:56:28
○ 2026-04-24 10:28:26
○ 2026-06-25 14:28:50

○A13.226.144.432026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-09 06:43:50
● 2026-04-09 11:56:28
○ 2026-04-24 10:28:26
○ 2026-06-25 14:28:50

○A13.226.144.62026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-09 06:43:50
● 2026-04-09 11:56:28
○ 2026-04-24 10:28:26
○ 2026-06-25 14:28:50

○A13.226.144.612026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-09 06:43:50
● 2026-04-09 11:56:28
○ 2026-04-24 10:28:26
○ 2026-06-25 14:28:50

○A13.227.107.302026-04-07 → 2026-04-29 · 8 obs

○ 2026-04-06 21:37:22
● 2026-04-07 22:00:50
● 2026-04-09 06:43:50
○ 2026-04-09 11:56:28
○ 2026-04-29 04:31:46
● 2026-04-29 14:19:20
○ 2026-04-29 14:55:16
○ 2026-06-25 14:28:50

○A13.227.107.462026-04-07 → 2026-04-29 · 8 obs

○ 2026-04-06 21:37:22
● 2026-04-07 22:00:50
● 2026-04-09 06:43:50
○ 2026-04-09 11:56:28
○ 2026-04-29 04:31:46
● 2026-04-29 14:19:20
○ 2026-04-29 14:55:16
○ 2026-06-25 14:28:50

○A13.227.107.502026-04-07 → 2026-04-29 · 8 obs

○ 2026-04-06 21:37:22
● 2026-04-07 22:00:50
● 2026-04-09 06:43:50
○ 2026-04-09 11:56:28
○ 2026-04-29 04:31:46
● 2026-04-29 14:19:20
○ 2026-04-29 14:55:16
○ 2026-06-25 14:28:50

○A13.227.107.582026-04-07 → 2026-04-29 · 8 obs

○ 2026-04-06 21:37:22
● 2026-04-07 22:00:50
● 2026-04-09 06:43:50
○ 2026-04-09 11:56:28
○ 2026-04-29 04:31:46
● 2026-04-29 14:19:20
○ 2026-04-29 14:55:16
○ 2026-06-25 14:28:50

○A13.227.110.22026-05-01 → 2026-06-10 · 37 obs

○ 2026-05-01 15:02:20
● 2026-05-01 19:55:26
○ 2026-05-01 20:30:24
○ 2026-05-02 00:27:46
● 2026-05-02 03:21:54
● 2026-05-02 05:26:26
○ 2026-05-02 10:05:14
○ 2026-05-07 20:06:36
● 2026-05-07 21:34:02
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○ 2026-05-12 10:20:46
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● 2026-05-12 19:55:34
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○ 2026-05-24 08:50:32
● 2026-05-29 11:19:02
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● 2026-05-31 15:41:30
○ 2026-06-01 19:21:54
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● 2026-06-07 08:03:24
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● 2026-06-08 10:51:48
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● 2026-06-08 22:11:30
○ 2026-06-09 22:43:52
○ 2026-06-10 01:52:32
● 2026-06-10 04:09:00
○ 2026-06-10 14:12:54
○ 2026-06-25 14:28:50

○A13.227.110.272026-05-01 → 2026-06-10 · 37 obs

○A13.227.110.432026-05-01 → 2026-06-10 · 37 obs

○A13.227.110.772026-05-01 → 2026-06-10 · 37 obs

○A13.33.109.1172026-04-26 → 2026-05-14 · 17 obs

○ 2026-04-26 06:23:34
● 2026-04-26 21:25:28
○ 2026-04-26 22:18:06
○ 2026-05-01 22:59:54
● 2026-05-02 00:27:46
○ 2026-05-02 03:21:54
○ 2026-05-02 12:18:16
● 2026-05-02 13:14:40
○ 2026-05-02 14:35:16
○ 2026-05-08 20:03:42
● 2026-05-09 00:36:10
○ 2026-05-09 03:51:36
○ 2026-05-14 02:55:08
● 2026-05-14 05:11:48
● 2026-05-14 10:55:44
○ 2026-05-15 03:41:32
○ 2026-06-25 14:28:50

○A13.33.109.442026-04-26 → 2026-05-14 · 17 obs

○A13.33.109.942026-04-26 → 2026-05-14 · 17 obs

○A13.33.109.972026-04-26 → 2026-05-14 · 17 obs

○A18.154.110.1102026-05-19 → 2026-06-07 · 16 obs

○ 2026-05-19 06:32:56
● 2026-05-19 12:45:48
● 2026-05-19 16:29:56
○ 2026-05-21 09:06:28
● 2026-05-21 12:25:10
● 2026-05-24 08:50:32
○ 2026-05-29 11:19:02
● 2026-05-30 02:27:00
○ 2026-05-31 15:41:30
● 2026-06-01 19:21:54
● 2026-06-05 03:43:10
○ 2026-06-07 08:03:24
● 2026-06-07 10:24:34
● 2026-06-07 10:57:10
○ 2026-06-08 10:51:48
○ 2026-06-25 14:28:50

○A18.154.110.32026-05-19 → 2026-06-07 · 16 obs

○A18.154.110.492026-05-19 → 2026-06-07 · 16 obs

○A18.154.110.522026-05-19 → 2026-06-07 · 16 obs

●A18.160.18.1022026-06-15 → 2026-06-25 · 20 obs

○ 2026-06-15 13:35:36
● 2026-06-15 16:06:22
○ 2026-06-15 18:26:08
○ 2026-06-16 00:41:38
● 2026-06-16 04:32:22
○ 2026-06-16 05:12:20
● 2026-06-19 13:04:54
○ 2026-06-19 14:10:46
● 2026-06-19 14:45:00
○ 2026-06-19 16:21:38
● 2026-06-20 06:27:32
○ 2026-06-20 07:09:56
● 2026-06-21 00:16:42
○ 2026-06-21 01:04:50
● 2026-06-22 07:40:52
○ 2026-06-22 10:15:28
● 2026-06-24 22:22:30
○ 2026-06-25 04:19:58
● 2026-06-25 14:28:48
● 2026-06-25 14:28:50

●A18.160.18.112026-06-15 → 2026-06-25 · 20 obs

●A18.160.18.1192026-06-15 → 2026-06-25 · 20 obs

●A18.160.18.1262026-06-15 → 2026-06-25 · 20 obs

○A18.64.155.1012026-04-06 → 2026-06-23 · 11 obs

● 2026-04-06 21:37:22
○ 2026-04-07 22:00:50
● 2026-06-18 22:50:32
○ 2026-06-19 05:33:32
● 2026-06-19 10:13:24
○ 2026-06-19 13:04:54
● 2026-06-20 00:42:26
○ 2026-06-20 01:39:30
● 2026-06-23 00:40:30
○ 2026-06-23 19:15:54
○ 2026-06-25 14:28:50

○A18.64.155.322026-04-06 → 2026-06-23 · 11 obs

○A18.64.155.352026-04-06 → 2026-06-23 · 11 obs

○A18.64.155.492026-04-06 → 2026-06-23 · 11 obs

○A3.167.99.172026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 16:29:56
● 2026-05-21 09:06:28
○ 2026-05-21 12:25:10
○ 2026-06-25 14:28:50

○A3.167.99.192026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 16:29:56
● 2026-05-21 09:06:28
○ 2026-05-21 12:25:10
○ 2026-06-25 14:28:50

○A3.167.99.282026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 16:29:56
● 2026-05-21 09:06:28
○ 2026-05-21 12:25:10
○ 2026-06-25 14:28:50

○A3.167.99.82026-05-21 → 2026-05-21 · 4 obs

○ 2026-05-19 16:29:56
● 2026-05-21 09:06:28
○ 2026-05-21 12:25:10
○ 2026-06-25 14:28:50

○A99.86.12.1292026-04-24 → 2026-06-25 · 99 obs

○ 2026-04-09 11:56:28
● 2026-04-24 10:28:26
● 2026-04-26 06:23:34
○ 2026-04-26 21:25:28
● 2026-04-26 22:18:06
● 2026-04-29 04:31:46
○ 2026-04-29 14:19:20
● 2026-04-29 14:55:16
● 2026-05-01 15:02:20
○ 2026-05-01 19:55:26
● 2026-05-01 20:30:24
● 2026-05-01 22:59:54
○ 2026-05-02 00:27:46
○ 2026-05-02 05:26:26
● 2026-05-02 10:05:14
● 2026-05-02 12:18:16
○ 2026-05-02 13:14:40
● 2026-05-02 14:35:16
● 2026-05-07 20:06:36
○ 2026-05-07 21:34:02
● 2026-05-08 00:30:52
● 2026-05-08 10:07:04
○ 2026-05-08 11:14:02
● 2026-05-08 13:57:00
● 2026-05-08 17:07:38
○ 2026-05-08 20:03:42
○ 2026-05-09 00:36:10
● 2026-05-09 03:51:36
● 2026-05-10 16:29:28
○ 2026-05-11 00:50:30
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○ 2026-05-12 14:35:14
○ 2026-05-12 19:55:34
● 2026-05-12 21:11:26
● 2026-05-13 09:11:34
○ 2026-05-13 20:48:12
● 2026-05-14 00:19:52
● 2026-05-14 02:55:08
○ 2026-05-14 05:11:48
○ 2026-05-14 10:55:44
● 2026-05-15 03:41:32
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○ 2026-05-17 23:04:16
○ 2026-05-18 01:26:00
● 2026-05-18 02:02:58
○ 2026-05-18 02:55:16
● 2026-05-18 03:25:18
● 2026-05-19 06:32:56
○ 2026-05-19 12:45:48
○ 2026-06-08 10:51:48
● 2026-06-08 19:07:44
○ 2026-06-08 22:11:30
● 2026-06-09 22:43:52
○ 2026-06-10 01:52:32
○ 2026-06-11 01:28:54
● 2026-06-11 02:27:36
○ 2026-06-11 03:33:22
○ 2026-06-11 07:46:28
● 2026-06-11 13:40:32
● 2026-06-12 08:18:24
○ 2026-06-12 10:36:10
● 2026-06-12 11:39:52
● 2026-06-12 19:10:20
○ 2026-06-12 21:19:46
○ 2026-06-12 21:53:44
● 2026-06-13 01:53:10
● 2026-06-15 13:35:36
○ 2026-06-15 16:06:22
● 2026-06-15 18:26:08
● 2026-06-15 23:47:04
○ 2026-06-16 00:41:38
○ 2026-06-16 04:32:22
● 2026-06-16 05:12:20
● 2026-06-17 01:01:20
○ 2026-06-17 06:08:18
● 2026-06-17 22:48:18
○ 2026-06-18 00:40:54
● 2026-06-18 04:34:42
○ 2026-06-18 22:50:32
● 2026-06-19 05:33:32
○ 2026-06-19 10:13:24
● 2026-06-19 14:10:46
○ 2026-06-19 14:45:00
● 2026-06-19 16:21:38
○ 2026-06-20 00:42:26
● 2026-06-20 01:39:30
○ 2026-06-20 06:27:32
● 2026-06-20 07:09:56
○ 2026-06-21 00:16:42
● 2026-06-21 01:04:50
○ 2026-06-22 07:40:52
● 2026-06-22 10:15:28
○ 2026-06-23 00:40:30
● 2026-06-23 19:15:54
○ 2026-06-24 22:22:30
● 2026-06-25 04:19:58
○ 2026-06-25 14:28:48
○ 2026-06-25 14:28:50

○A99.86.12.22026-04-24 → 2026-06-25 · 99 obs

○A99.86.12.202026-04-24 → 2026-06-25 · 99 obs

○A99.86.12.882026-04-24 → 2026-06-25 · 99 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
instructure.com	ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org	2 records

✅ Authoritative Response

Server:205.251.199.7

NS records: ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructure.com (unsigned zone)

⏱️ Timing

Total: 593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.18.11, 18.160.18.119...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-2.awsdns-00.com, ns-2.awsdns-00.com)

Analysis

IP Addresses

d155.instructure.com points to the four IP addresses 18.160.18.11, 18.160.18.102, 18.160.18.119 and 18.160.18.126.

Two other host names, along with d18f62wdbnzjwf.cloudfront.net, busuupromo-iq.com and academyi4o.com, also share IP numbers with d155.instructure.com.