`nccu.instructure.com`

DNSSEC	⚠️ Not signed
A	13.227.207.27^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
		PTR	`server-13-227-207-27.gru3.r.cloudfront.net`
A	13.227.207.75^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.92^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.119^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}

`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 #1357 globally
rank #730 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,120

Same first word

nccu.com

nccu.edu

nccu.net

nccu.edu.tw

nccu.org

nccu.gr.jp

nccu.tw

nccu.or.jp

nccu.com.tw

nccu.de

nccu.online

nccu.cc

Similar names

ucnc.net

ncuc.it

cucn.de

ncuc.gov

ncuc.de

uncc.com

ccnu.de

ncuc.or.kr

cncu.co.za

cucn.es

ncuc.co.kr

cncu.es

cncu.org

ccnu.net

nucc.no

uccn.org

ncuc.org

cncu.org.uk

ncuc.com

ucnc.com

uncc.us

cnuc.cc

ccnu.com.cn

nucc.ru

nucc.cn

ucnc.ca

cunc.org

ccun.com.cn

cnuc.net

uccn.ru

uccn.org.uk

ncuc.net

ucnc.click

cnuc.de

cunc.com

uncc.net

ccnu.edu.cn

nucc.net

ucnc.org.in

uncc.org

uncc.edu

cunc.ru

ucnc.ru

uncc.de

cunc.net

nucc.org

nucc.tr

ucnc.org

cncu.de

nucc.jp

uccn.com

ucnc.de

ucnc.us

cncu.cu

cnuc.cn

cucn.org

ccun.com

nucc.com

uncc.ch

cncu.cn

ccnu.cn

cnuc.nu

ccnu.org.cn

ccun.net

uncc.co.ug

cnuc.com

ucnc.ir

ucnc.com.co

ccun.org

ucnc.cn

cnuc.or.kr

uncc.ru

cucn.edu.cn

uncc.it

ccnu.org

nucc.de

cnuc.org

cucn.cn

DNS History

44 records (4 active, 40 former)

○A108.139.134.1102026-04-13 → 2026-04-16 · 6 obs

● 2026-04-13 02:18:16
○ 2026-04-13 07:00:46
○ 2026-04-15 05:11:10
● 2026-04-16 05:21:40
○ 2026-04-17 07:41:14
○ 2026-05-31 18:31:48

○A108.139.134.222026-04-13 → 2026-04-16 · 6 obs

● 2026-04-13 02:18:16
○ 2026-04-13 07:00:46
○ 2026-04-15 05:11:10
● 2026-04-16 05:21:40
○ 2026-04-17 07:41:14
○ 2026-05-31 18:31:48

○A108.139.134.932026-04-13 → 2026-04-16 · 6 obs

● 2026-04-13 02:18:16
○ 2026-04-13 07:00:46
○ 2026-04-15 05:11:10
● 2026-04-16 05:21:40
○ 2026-04-17 07:41:14
○ 2026-05-31 18:31:48

○A108.139.134.972026-04-13 → 2026-04-16 · 6 obs

● 2026-04-13 02:18:16
○ 2026-04-13 07:00:46
○ 2026-04-15 05:11:10
● 2026-04-16 05:21:40
○ 2026-04-17 07:41:14
○ 2026-05-31 18:31:48

○A108.158.186.1022026-05-13 → 2026-05-15 · 12 obs

○ 2026-05-13 02:20:10
● 2026-05-13 12:38:34
○ 2026-05-13 20:50:56
○ 2026-05-14 10:19:50
● 2026-05-14 12:05:38
○ 2026-05-14 12:36:26
○ 2026-05-15 02:23:44
● 2026-05-15 03:32:12
○ 2026-05-15 05:23:04
● 2026-05-15 13:09:34
○ 2026-05-15 14:31:02
○ 2026-05-31 18:31:48

○A108.158.186.1112026-05-13 → 2026-05-15 · 12 obs

○A108.158.186.662026-05-13 → 2026-05-15 · 12 obs

○A108.158.186.852026-05-13 → 2026-05-15 · 12 obs

○A13.226.238.1062026-05-22 → 2026-05-26 · 16 obs

○ 2026-05-21 17:56:54
● 2026-05-22 02:23:50
○ 2026-05-22 03:27:30
○ 2026-05-25 00:46:40
● 2026-05-25 03:25:38
○ 2026-05-25 03:56:26
○ 2026-05-25 11:53:18
● 2026-05-25 13:22:02
○ 2026-05-25 14:48:02
○ 2026-05-26 06:14:36
● 2026-05-26 07:34:04
○ 2026-05-26 08:09:34
○ 2026-05-26 12:54:40
● 2026-05-26 17:19:32
○ 2026-05-26 17:58:38
○ 2026-05-31 18:31:48

○A13.226.238.1242026-05-22 → 2026-05-26 · 16 obs

○A13.226.238.512026-05-22 → 2026-05-26 · 16 obs

○A13.226.238.812026-05-22 → 2026-05-26 · 16 obs

●A13.227.207.1192026-04-14 → 2026-05-31 · 140 obs

○ 2026-04-14 15:48:58
● 2026-04-14 17:41:18
○ 2026-04-14 18:37:06
○ 2026-04-20 22:31:16
● 2026-04-20 23:02:38
○ 2026-04-21 00:19:24
○ 2026-04-21 05:09:06
● 2026-04-21 16:34:56
○ 2026-04-21 17:54:18
○ 2026-04-22 05:43:16
● 2026-04-22 07:05:38
○ 2026-04-22 11:05:08
○ 2026-04-24 09:32:46
● 2026-04-24 14:31:00
○ 2026-04-24 17:48:38
○ 2026-04-25 20:50:42
● 2026-04-25 22:33:14
○ 2026-04-25 23:29:34
○ 2026-04-26 12:05:44
● 2026-04-26 12:58:54
● 2026-04-26 13:53:16
○ 2026-04-26 15:54:54
○ 2026-04-26 21:44:18
● 2026-04-27 04:11:34
● 2026-04-27 04:42:22
○ 2026-04-27 05:43:12
○ 2026-04-29 00:41:08
● 2026-04-29 02:01:56
○ 2026-04-29 03:31:50
● 2026-04-29 08:06:20
○ 2026-04-29 13:41:40
● 2026-04-29 14:40:52
● 2026-04-29 19:54:56
○ 2026-04-29 20:55:52
○ 2026-05-02 01:09:08
● 2026-05-02 02:38:52
○ 2026-05-02 04:56:02
○ 2026-05-03 17:46:06
● 2026-05-03 21:38:32
○ 2026-05-04 00:34:28
● 2026-05-04 01:37:20
○ 2026-05-04 02:14:20
● 2026-05-04 07:08:42
○ 2026-05-04 09:01:16
● 2026-05-04 12:09:08
○ 2026-05-04 12:45:38
○ 2026-05-04 16:11:28
● 2026-05-04 18:59:26
○ 2026-05-04 19:57:06
○ 2026-05-04 21:00:36
● 2026-05-05 05:09:30
○ 2026-05-05 06:56:02
○ 2026-05-08 09:46:38
● 2026-05-08 12:18:48
● 2026-05-08 14:06:54
○ 2026-05-08 15:14:08
○ 2026-05-11 11:12:24
● 2026-05-11 16:47:50
● 2026-05-11 18:27:10
○ 2026-05-11 19:35:26
○ 2026-05-12 03:04:46
● 2026-05-12 05:28:14
○ 2026-05-12 06:07:04
● 2026-05-12 15:44:42
● 2026-05-12 17:06:30
○ 2026-05-12 18:09:00
○ 2026-05-19 15:55:56
● 2026-05-19 16:57:16
● 2026-05-19 18:45:20
○ 2026-05-19 20:11:34
● 2026-05-19 21:03:50
● 2026-05-20 00:37:28
○ 2026-05-20 05:18:36
● 2026-05-20 08:49:10
○ 2026-05-20 11:05:08
○ 2026-05-20 11:37:34
● 2026-05-20 13:53:34
● 2026-05-20 19:22:10
○ 2026-05-20 21:09:04
○ 2026-05-20 22:14:18
● 2026-05-21 04:56:54
○ 2026-05-21 06:29:16
● 2026-05-21 07:01:12
○ 2026-05-21 07:43:22
● 2026-05-21 08:26:14
○ 2026-05-21 11:32:48
○ 2026-05-22 02:23:50
● 2026-05-22 03:27:30
● 2026-05-22 05:16:28
○ 2026-05-22 07:05:50
● 2026-05-22 11:42:32
○ 2026-05-22 12:54:10
○ 2026-05-22 16:42:16
● 2026-05-22 20:06:18
○ 2026-05-22 21:07:32
● 2026-05-22 22:24:04
● 2026-05-23 00:08:48
○ 2026-05-23 00:46:06
● 2026-05-23 01:40:56
● 2026-05-23 04:36:06
○ 2026-05-23 06:15:08
● 2026-05-23 07:18:50
○ 2026-05-23 08:13:34
● 2026-05-23 09:34:42
○ 2026-05-23 10:19:36
● 2026-05-23 16:49:06
● 2026-05-23 19:02:02
○ 2026-05-23 21:12:44
○ 2026-05-23 22:03:50
● 2026-05-24 06:01:26
○ 2026-05-24 09:00:58
○ 2026-05-24 18:45:54
● 2026-05-24 19:19:40
○ 2026-05-24 21:44:52
● 2026-05-25 00:46:40
○ 2026-05-25 03:25:38
○ 2026-05-25 03:56:26
● 2026-05-25 05:38:52
○ 2026-05-25 09:42:32
● 2026-05-25 11:53:18
○ 2026-05-25 13:22:02
○ 2026-05-25 15:45:02
● 2026-05-25 19:30:46
○ 2026-05-25 20:59:50
● 2026-05-25 21:34:30
○ 2026-05-26 00:19:54
● 2026-05-26 01:02:12
○ 2026-05-26 01:47:32
● 2026-05-26 06:14:36
○ 2026-05-26 07:34:04
○ 2026-05-26 10:06:36
● 2026-05-26 12:54:40
○ 2026-05-26 17:19:32
○ 2026-05-29 06:58:28
● 2026-05-29 12:31:06
● 2026-05-30 03:05:58
○ 2026-05-30 07:30:00
○ 2026-05-31 08:59:08
● 2026-05-31 13:18:38
● 2026-05-31 18:31:48

●A13.227.207.272026-04-14 → 2026-05-31 · 140 obs

●A13.227.207.752026-04-14 → 2026-05-31 · 140 obs

●A13.227.207.922026-04-14 → 2026-05-31 · 140 obs

○A13.33.4.132026-05-21 → 2026-05-21 · 7 obs

○ 2026-05-21 11:32:48
● 2026-05-21 12:20:52
● 2026-05-21 13:57:52
○ 2026-05-21 15:45:20
● 2026-05-21 16:57:04
○ 2026-05-21 17:56:54
○ 2026-05-31 18:31:48

○A13.33.4.662026-05-21 → 2026-05-21 · 7 obs

○ 2026-05-21 11:32:48
● 2026-05-21 12:20:52
● 2026-05-21 13:57:52
○ 2026-05-21 15:45:20
● 2026-05-21 16:57:04
○ 2026-05-21 17:56:54
○ 2026-05-31 18:31:48

○A13.33.4.722026-05-21 → 2026-05-21 · 7 obs

○ 2026-05-21 11:32:48
● 2026-05-21 12:20:52
● 2026-05-21 13:57:52
○ 2026-05-21 15:45:20
● 2026-05-21 16:57:04
○ 2026-05-21 17:56:54
○ 2026-05-31 18:31:48

○A13.33.4.832026-05-21 → 2026-05-21 · 7 obs

○ 2026-05-21 11:32:48
● 2026-05-21 12:20:52
● 2026-05-21 13:57:52
○ 2026-05-21 15:45:20
● 2026-05-21 16:57:04
○ 2026-05-21 17:56:54
○ 2026-05-31 18:31:48

○A13.35.36.272026-05-27 → 2026-05-28 · 5 obs

○ 2026-05-27 21:07:44
● 2026-05-27 22:48:24
● 2026-05-28 04:48:34
○ 2026-05-28 07:40:42
○ 2026-05-31 18:31:48

○A13.35.36.372026-05-27 → 2026-05-28 · 5 obs

○ 2026-05-27 21:07:44
● 2026-05-27 22:48:24
● 2026-05-28 04:48:34
○ 2026-05-28 07:40:42
○ 2026-05-31 18:31:48

○A13.35.36.432026-05-27 → 2026-05-28 · 5 obs

○ 2026-05-27 21:07:44
● 2026-05-27 22:48:24
● 2026-05-28 04:48:34
○ 2026-05-28 07:40:42
○ 2026-05-31 18:31:48

○A13.35.36.852026-05-27 → 2026-05-28 · 5 obs

○ 2026-05-27 21:07:44
● 2026-05-27 22:48:24
● 2026-05-28 04:48:34
○ 2026-05-28 07:40:42
○ 2026-05-31 18:31:48

○A18.154.110.1252026-05-19 → 2026-05-31 · 98 obs

○ 2026-05-19 12:07:48
● 2026-05-19 15:55:56
○ 2026-05-19 16:57:16
○ 2026-05-19 18:45:20
● 2026-05-19 20:11:34
○ 2026-05-19 21:03:50
○ 2026-05-20 00:37:28
● 2026-05-20 05:18:36
○ 2026-05-20 08:49:10
● 2026-05-20 11:05:08
● 2026-05-20 11:37:34
○ 2026-05-20 13:53:34
○ 2026-05-20 19:22:10
● 2026-05-20 21:09:04
● 2026-05-20 22:14:18
○ 2026-05-21 04:56:54
● 2026-05-21 06:29:16
○ 2026-05-21 07:01:12
● 2026-05-21 07:43:22
○ 2026-05-21 08:26:14
● 2026-05-21 11:32:48
○ 2026-05-21 12:20:52
○ 2026-05-21 13:57:52
● 2026-05-21 15:45:20
○ 2026-05-21 16:57:04
● 2026-05-21 17:56:54
○ 2026-05-22 02:23:50
○ 2026-05-22 05:16:28
● 2026-05-22 07:05:50
○ 2026-05-22 11:42:32
● 2026-05-22 12:54:10
● 2026-05-22 16:42:16
○ 2026-05-22 20:06:18
● 2026-05-22 21:07:32
○ 2026-05-22 22:24:04
○ 2026-05-23 00:08:48
● 2026-05-23 00:46:06
○ 2026-05-23 01:40:56
○ 2026-05-23 04:36:06
● 2026-05-23 06:15:08
○ 2026-05-23 07:18:50
● 2026-05-23 08:13:34
○ 2026-05-23 09:34:42
● 2026-05-23 10:19:36
○ 2026-05-23 16:49:06
○ 2026-05-23 19:02:02
● 2026-05-23 21:12:44
● 2026-05-23 22:03:50
○ 2026-05-24 06:01:26
● 2026-05-24 09:00:58
● 2026-05-24 18:45:54
○ 2026-05-24 19:19:40
● 2026-05-24 21:44:52
○ 2026-05-25 00:46:40
○ 2026-05-25 03:25:38
● 2026-05-25 03:56:26
○ 2026-05-25 05:38:52
● 2026-05-25 09:42:32
○ 2026-05-25 11:53:18
○ 2026-05-25 13:22:02
● 2026-05-25 14:48:02
● 2026-05-25 15:45:02
○ 2026-05-25 19:30:46
● 2026-05-25 20:59:50
○ 2026-05-25 21:34:30
● 2026-05-26 00:19:54
○ 2026-05-26 01:02:12
● 2026-05-26 01:47:32
○ 2026-05-26 06:14:36
○ 2026-05-26 07:34:04
● 2026-05-26 08:09:34
● 2026-05-26 10:06:36
○ 2026-05-26 12:54:40
○ 2026-05-26 17:19:32
● 2026-05-26 17:58:38
● 2026-05-26 21:30:44
○ 2026-05-27 00:08:14
○ 2026-05-27 16:55:30
● 2026-05-27 21:07:44
○ 2026-05-27 22:48:24
○ 2026-05-28 04:48:34
● 2026-05-28 07:40:42
○ 2026-05-28 09:03:58
● 2026-05-28 14:16:22
○ 2026-05-28 17:29:06
● 2026-05-28 18:43:14
○ 2026-05-28 19:41:44
● 2026-05-29 01:03:00
● 2026-05-29 06:58:28
○ 2026-05-29 12:31:06
○ 2026-05-30 03:05:58
● 2026-05-30 07:30:00
● 2026-05-30 10:24:30
○ 2026-05-30 15:59:40
● 2026-05-30 18:37:58
● 2026-05-31 08:59:08
○ 2026-05-31 13:18:38
○ 2026-05-31 18:31:48

○A18.154.110.182026-05-19 → 2026-05-31 · 98 obs

○A18.154.110.832026-05-19 → 2026-05-31 · 98 obs

○A18.154.110.932026-05-19 → 2026-05-31 · 98 obs

○A18.161.34.152026-04-24 → 2026-05-19 · 42 obs

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○A18.161.34.162026-04-24 → 2026-05-19 · 42 obs

○A18.161.34.202026-04-24 → 2026-05-19 · 42 obs

○A18.161.34.512026-04-24 → 2026-05-19 · 42 obs

○A3.160.196.1032026-05-27 → 2026-05-27 · 4 obs

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○A3.160.196.1232026-05-27 → 2026-05-27 · 4 obs

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○A3.160.196.1292026-05-27 → 2026-05-27 · 4 obs

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○A3.160.196.892026-05-27 → 2026-05-27 · 4 obs

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○A54.192.151.1122026-05-27 → 2026-05-30 · 14 obs

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○A54.192.151.622026-05-27 → 2026-05-30 · 14 obs

○A54.192.151.792026-05-27 → 2026-05-30 · 14 obs

○A54.192.151.872026-05-27 → 2026-05-30 · 14 obs

○A99.86.91.1122026-04-13 → 2026-05-19 · 102 obs

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○A99.86.91.1282026-04-13 → 2026-05-19 · 102 obs

○A99.86.91.52026-04-13 → 2026-05-19 · 102 obs

○A99.86.91.862026-04-13 → 2026-05-19 · 102 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, k.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:205.251.197.74

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: 507ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.227.207.92, 13.227.207.27...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

nccu.instructure.com points to 4 IP addresses — 13.227.207.27, 13.227.207.75, 13.227.207.92 and 13.227.207.119.

d1waxc4c7f46c6.cloudfront.net, tautmore.com, www.nike.cm plus two other host names have IP numbers in common with nccu.instructure.com.

nccu.instructure.com - robtex.com