usfca.instructure.com - dns.ninja

`usfca.instructure.com`

DNSSEC	⚠️ Not signed
A	13.35.107.30^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-30.phl51.r.cloudfront.net`
A	13.35.107.49^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.54^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.66^{🇺🇸 Amazon13.35.107.0/24 -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 (72/100)
rank #1450 globally
rank #778 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,870

Same first word

usfca.education

usfca.com

usfca.net

usfca.us

usfca.org

usfca.edu

Similar names

sfuca.com

uscaf.com

facus.com

fcsua.org

ufsca.com

csfau.com

fucas.org.br

ucfas.fr

cfusa.com

sacuf.sytes.net

fusca.com

sucaf.ci

fucas.org

uafcs.org

cfusa.co

usafc.info

scufa.de

ucafs.com

usfac.com

fusca.net

ucfas.org

safcu.org

cuasf.org

fusac.fr

fucsa.com

fusca.it

safcu.net

auscf.org

ucfsa.com

cufas.com

fusca.ru

cafus.com

fucsa.pe

ausfc.com

faucs.com

asfcu.com

ucsaf.go.tz

cafus.net

afcus.com

cufas.de

caufs.com

cfuas.com

csfau.de

safcu.com

usacf.com

fcaus.com.au

ucfas.com

facsu.edu.br

fusac.org

fusac.com

fusca.dk

usafc.com

fucas.com

afusc.com.br

fusca.eu

ausfc.com.au

cafus.ru

scafu.com

cfuas.net

ausfc.es

asfcu.coop

sufac.com

fusca.de

fusca.com.br

afcus.net

sfcau.com

scufa.ru

ufsac.org

fucsa.es

afucs.de

caufs.net

uacfs.com

ucfas.net

usacf.org

DNS History

76 records (4 active, 72 former)

○NSns-1354.awsdns-41.org2026-05-01 → 2026-07-25 · 2 obs

○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○NSns-1799.awsdns-32.co.uk2026-05-01 → 2026-07-25 · 2 obs

○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○NSns-2.awsdns-00.com2026-05-01 → 2026-07-25 · 2 obs

○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○NSns-996.awsdns-60.net2026-05-01 → 2026-07-25 · 2 obs

○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○A108.138.103.1072026-06-10 → 2026-07-23 · 76 obs

○ 2026-06-08 21:54:04
● 2026-06-10 00:12:26
● 2026-06-10 02:09:56
○ 2026-06-10 02:50:14
● 2026-06-10 14:12:54
● 2026-06-11 00:18:38
○ 2026-06-13 10:22:50
● 2026-06-30 23:21:30
○ 2026-07-01 21:03:12
● 2026-07-02 02:29:10
○ 2026-07-02 04:29:28
● 2026-07-02 05:04:40
○ 2026-07-02 20:57:34
● 2026-07-03 12:09:06
○ 2026-07-03 15:45:20
● 2026-07-03 16:37:36
○ 2026-07-04 17:32:16
● 2026-07-04 23:44:58
○ 2026-07-05 10:13:04
● 2026-07-07 09:09:58
○ 2026-07-07 14:39:02
● 2026-07-07 21:07:26
○ 2026-07-08 02:20:02
● 2026-07-08 04:15:04
○ 2026-07-08 16:24:30
● 2026-07-08 19:35:48
○ 2026-07-09 13:42:22
● 2026-07-09 16:47:24
○ 2026-07-09 19:51:10
● 2026-07-09 20:21:32
○ 2026-07-09 21:45:12
● 2026-07-09 22:22:42
○ 2026-07-10 15:31:28
● 2026-07-11 00:07:48
○ 2026-07-11 06:01:42
● 2026-07-11 20:51:36
○ 2026-07-12 11:42:08
● 2026-07-12 23:06:26
○ 2026-07-13 06:35:50
● 2026-07-13 08:55:56
○ 2026-07-13 16:56:50
● 2026-07-14 12:24:24
○ 2026-07-15 09:17:08
● 2026-07-15 12:08:54
○ 2026-07-15 12:46:10
● 2026-07-15 19:02:22
○ 2026-07-16 09:36:34
● 2026-07-16 14:14:10
○ 2026-07-16 16:56:30
● 2026-07-16 19:33:34
○ 2026-07-16 22:13:48
● 2026-07-16 23:55:16
○ 2026-07-17 15:20:44
● 2026-07-18 03:40:56
○ 2026-07-18 21:23:12
● 2026-07-19 03:33:12
○ 2026-07-19 09:13:16
● 2026-07-19 12:42:58
○ 2026-07-19 19:17:20
● 2026-07-19 20:20:12
○ 2026-07-20 17:17:16
● 2026-07-20 18:02:36
○ 2026-07-21 08:52:52
● 2026-07-21 12:12:20
○ 2026-07-21 16:26:38
● 2026-07-21 21:58:02
○ 2026-07-22 00:11:32
● 2026-07-22 01:56:54
○ 2026-07-22 18:23:28
● 2026-07-23 03:55:16
○ 2026-07-23 05:49:36
● 2026-07-23 17:12:46
○ 2026-07-23 22:30:08
● 2026-07-23 23:22:42
○ 2026-07-24 06:06:40
○ 2026-07-25 05:48:58

○A108.138.103.32026-06-10 → 2026-07-23 · 76 obs

○A108.138.103.572026-06-10 → 2026-07-23 · 76 obs

○A108.138.103.992026-06-10 → 2026-07-23 · 76 obs

○A108.158.186.1162026-05-07 → 2026-07-24 · 43 obs

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

○A108.158.186.22026-05-07 → 2026-07-24 · 43 obs

○A108.158.186.342026-05-07 → 2026-07-24 · 43 obs

○A108.158.186.992026-05-07 → 2026-07-24 · 43 obs

○A13.227.110.22026-05-01 → 2026-06-10 · 29 obs

○ 2016-12-30 07:49:04
● 2026-05-01 10:23:48
○ 2026-05-01 10:57:34
● 2026-05-01 12:00:06
○ 2026-05-01 12:59:14
○ 2026-05-03 02:56:56
● 2026-05-03 15:49:20
○ 2026-05-04 06:44:14
○ 2026-05-07 21:12:44
● 2026-05-08 04:55:30
● 2026-05-08 14:45:50
○ 2026-05-08 22:26:34
○ 2026-05-24 15:54:50
● 2026-05-25 07:12:58
○ 2026-05-25 08:46:54
○ 2026-05-31 08:39:50
● 2026-05-31 13:19:14
● 2026-06-01 14:23:34
○ 2026-06-01 17:09:52
○ 2026-06-05 20:42:40
● 2026-06-06 01:39:12
○ 2026-06-06 13:16:48
○ 2026-06-07 18:29:22
● 2026-06-08 09:26:44
○ 2026-06-08 21:54:04
○ 2026-06-10 02:09:56
● 2026-06-10 02:50:14
○ 2026-06-10 14:12:54
○ 2026-07-25 05:48:58

○A13.227.110.272026-05-01 → 2026-06-10 · 29 obs

○A13.227.110.432026-05-01 → 2026-06-10 · 29 obs

○A13.227.110.772026-05-01 → 2026-06-10 · 29 obs

○A13.33.109.1172026-05-02 → 2026-05-17 · 29 obs

○ 2026-05-01 16:51:04
● 2026-05-02 00:28:04
○ 2026-05-02 02:02:42
○ 2026-05-02 18:16:32
● 2026-05-03 00:25:32
○ 2026-05-03 02:23:18
○ 2026-05-03 23:33:30
● 2026-05-04 00:40:00
○ 2026-05-04 03:49:18
○ 2026-05-05 23:12:26
● 2026-05-06 00:26:22
● 2026-05-07 00:43:44
○ 2026-05-07 02:13:42
○ 2026-05-08 22:26:34
● 2026-05-09 00:36:12
○ 2026-05-09 02:15:08
○ 2026-05-09 09:37:32
● 2026-05-09 11:22:48
○ 2026-05-09 12:08:32
● 2026-05-09 13:45:42
○ 2026-05-09 15:46:36
○ 2026-05-15 09:29:20
● 2026-05-15 13:52:50
○ 2026-05-15 16:41:18
○ 2026-05-17 12:14:10
● 2026-05-17 13:56:42
● 2026-05-17 16:00:58
○ 2026-05-17 17:42:52
○ 2026-07-25 05:48:58

○A13.33.109.442026-05-02 → 2026-05-17 · 29 obs

○A13.33.109.942026-05-02 → 2026-05-17 · 29 obs

○A13.33.109.972026-05-02 → 2026-05-17 · 29 obs

●A13.35.107.302026-07-12 → 2026-07-25 · 27 obs

○ 2026-07-12 11:42:08
● 2026-07-12 21:38:00
○ 2026-07-12 23:06:26
● 2026-07-13 06:35:50
○ 2026-07-13 08:55:56
● 2026-07-13 18:03:50
○ 2026-07-13 18:34:32
● 2026-07-14 03:18:20
○ 2026-07-14 08:20:56
● 2026-07-15 09:17:08
○ 2026-07-15 12:08:54
● 2026-07-18 01:57:48
○ 2026-07-18 03:40:56
● 2026-07-19 09:13:16
○ 2026-07-19 09:52:26
● 2026-07-19 19:17:20
○ 2026-07-19 20:20:12
● 2026-07-21 08:52:52
○ 2026-07-21 09:55:54
● 2026-07-22 00:11:32
○ 2026-07-22 01:56:54
● 2026-07-23 05:49:36
○ 2026-07-23 07:47:08
● 2026-07-24 16:20:10
○ 2026-07-24 18:12:10
● 2026-07-25 05:48:56
● 2026-07-25 05:48:58

●A13.35.107.492026-07-12 → 2026-07-25 · 27 obs

●A13.35.107.542026-07-12 → 2026-07-25 · 27 obs

●A13.35.107.662026-07-12 → 2026-07-25 · 27 obs

○A18.154.110.1102026-05-19 → 2026-07-02 · 37 obs

○ 2026-05-19 07:20:38
● 2026-05-19 10:46:44
● 2026-05-19 23:42:06
○ 2026-05-20 00:29:52
● 2026-05-20 01:48:26
● 2026-05-24 15:54:50
○ 2026-05-25 07:12:58
● 2026-05-25 11:56:52
● 2026-05-29 07:00:28
○ 2026-05-29 09:24:32
○ 2026-05-29 18:54:20
● 2026-05-29 22:24:06
● 2026-05-31 08:39:50
○ 2026-05-31 13:19:14
○ 2026-06-01 14:23:34
● 2026-06-01 17:09:52
● 2026-06-03 14:26:30
○ 2026-06-03 23:57:08
● 2026-06-04 03:50:42
● 2026-06-05 10:16:00
○ 2026-06-05 13:57:58
○ 2026-06-06 02:49:12
● 2026-06-06 07:11:46
● 2026-06-07 18:29:22
○ 2026-06-08 00:06:14
● 2026-06-08 01:15:18
● 2026-06-08 05:39:34
○ 2026-06-08 09:26:44
● 2026-06-30 06:29:20
○ 2026-06-30 08:36:56
● 2026-06-30 22:40:34
○ 2026-06-30 23:21:30
● 2026-07-02 04:29:28
○ 2026-07-02 05:04:40
● 2026-07-02 20:57:34
○ 2026-07-02 22:31:50
○ 2026-07-25 05:48:58

○A18.154.110.32026-05-19 → 2026-07-02 · 37 obs

○A18.154.110.492026-05-19 → 2026-07-02 · 37 obs

○A18.154.110.522026-05-19 → 2026-07-02 · 37 obs

○A18.160.18.1022026-05-23 → 2026-07-09 · 33 obs

○ 2026-05-21 22:11:24
● 2026-05-23 04:10:20
○ 2026-05-23 04:56:32
○ 2026-05-25 11:56:52
● 2026-05-25 14:43:06
○ 2026-05-25 15:21:54
○ 2026-05-26 08:41:54
● 2026-05-26 10:19:56
○ 2026-05-26 10:54:44
○ 2026-06-06 11:35:08
● 2026-06-06 12:09:54
○ 2026-06-06 13:16:48
● 2026-06-20 17:28:58
○ 2026-06-20 23:45:32
● 2026-06-21 16:38:22
○ 2026-06-21 20:12:04
● 2026-06-26 04:50:10
○ 2026-06-26 05:27:00
● 2026-06-27 16:58:10
○ 2026-06-27 17:31:26
● 2026-06-27 18:55:46
○ 2026-06-27 19:31:06
● 2026-06-28 16:45:00
○ 2026-06-28 17:27:42
● 2026-07-03 15:45:20
○ 2026-07-03 16:37:36
● 2026-07-08 19:01:32
○ 2026-07-08 19:35:48
● 2026-07-09 19:51:10
○ 2026-07-09 20:21:32
● 2026-07-09 21:45:12
○ 2026-07-09 22:22:42
○ 2026-07-25 05:48:58

○A18.160.18.112026-05-23 → 2026-07-09 · 33 obs

○A18.160.18.1192026-05-23 → 2026-07-09 · 33 obs

○A18.160.18.1262026-05-23 → 2026-07-09 · 33 obs

○A18.165.122.1182026-07-11 → 2026-07-20 · 26 obs

○ 2026-07-11 00:07:48
● 2026-07-11 06:01:42
○ 2026-07-11 20:51:36
● 2026-07-12 11:42:08
○ 2026-07-12 21:38:00
● 2026-07-13 16:56:50
○ 2026-07-13 18:03:50
● 2026-07-13 23:07:54
○ 2026-07-14 01:02:20
● 2026-07-14 11:44:08
○ 2026-07-14 12:24:24
● 2026-07-15 12:46:10
○ 2026-07-15 19:02:22
● 2026-07-16 09:36:34
○ 2026-07-16 14:14:10
● 2026-07-16 16:56:30
○ 2026-07-16 19:33:34
● 2026-07-16 22:13:48
○ 2026-07-16 23:55:16
● 2026-07-18 21:23:12
○ 2026-07-19 03:33:12
● 2026-07-19 09:52:26
○ 2026-07-19 12:42:58
● 2026-07-20 17:17:16
○ 2026-07-20 18:02:36
○ 2026-07-25 05:48:58

○A18.165.122.562026-07-11 → 2026-07-20 · 26 obs

○A18.165.122.752026-07-11 → 2026-07-20 · 26 obs

○A18.165.122.942026-07-11 → 2026-07-20 · 26 obs

○A18.239.168.112026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-07 21:12:44
● 2026-05-08 00:31:54
○ 2026-05-08 01:10:40
○ 2026-07-25 05:48:58

○A18.239.168.1252026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-07 21:12:44
● 2026-05-08 00:31:54
○ 2026-05-08 01:10:40
○ 2026-07-25 05:48:58

○A18.239.168.862026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-07 21:12:44
● 2026-05-08 00:31:54
○ 2026-05-08 01:10:40
○ 2026-07-25 05:48:58

○A18.239.168.882026-05-08 → 2026-05-08 · 4 obs

○ 2026-05-07 21:12:44
● 2026-05-08 00:31:54
○ 2026-05-08 01:10:40
○ 2026-07-25 05:48:58

○A18.64.155.1012026-05-21 → 2026-06-30 · 19 obs

○ 2026-05-21 10:06:48
● 2026-05-21 21:31:00
○ 2026-05-21 22:11:24
○ 2026-06-17 12:24:56
● 2026-06-17 17:19:10
○ 2026-06-18 12:56:34
● 2026-06-20 10:48:08
○ 2026-06-20 17:28:58
● 2026-06-23 01:52:16
○ 2026-06-25 02:12:20
● 2026-06-25 05:15:26
○ 2026-06-26 04:50:10
● 2026-06-26 18:43:50
○ 2026-06-27 05:02:00
● 2026-06-29 11:05:02
○ 2026-06-30 00:48:10
● 2026-06-30 01:51:48
○ 2026-06-30 06:29:20
○ 2026-07-25 05:48:58

○A18.64.155.322026-05-21 → 2026-06-30 · 19 obs

○A18.64.155.352026-05-21 → 2026-06-30 · 19 obs

○A18.64.155.492026-05-21 → 2026-06-30 · 19 obs

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

○ 2026-05-20 01:48:26
● 2026-05-21 09:05:52
○ 2026-05-21 10:06:48
○ 2026-07-25 05:48:58

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

○ 2026-05-20 01:48:26
● 2026-05-21 09:05:52
○ 2026-05-21 10:06:48
○ 2026-07-25 05:48:58

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

○ 2026-05-20 01:48:26
● 2026-05-21 09:05:52
○ 2026-05-21 10:06:48
○ 2026-07-25 05:48:58

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

○ 2026-05-20 01:48:26
● 2026-05-21 09:05:52
○ 2026-05-21 10:06:48
○ 2026-07-25 05:48:58

○A3.170.229.1062026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 10:54:44
● 2026-05-27 15:21:16
○ 2026-05-27 15:53:48
○ 2026-07-25 05:48:58

○A3.170.229.392026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 10:54:44
● 2026-05-27 15:21:16
○ 2026-05-27 15:53:48
○ 2026-07-25 05:48:58

○A3.170.229.582026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 10:54:44
● 2026-05-27 15:21:16
○ 2026-05-27 15:53:48
○ 2026-07-25 05:48:58

○A3.170.229.972026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-26 10:54:44
● 2026-05-27 15:21:16
○ 2026-05-27 15:53:48
○ 2026-07-25 05:48:58

○A3.171.38.1062026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-28 17:27:42
● 2026-06-29 08:29:00
○ 2026-06-29 10:33:46
○ 2026-07-25 05:48:58

○A3.171.38.612026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-28 17:27:42
● 2026-06-29 08:29:00
○ 2026-06-29 10:33:46
○ 2026-07-25 05:48:58

○A3.171.38.92026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-28 17:27:42
● 2026-06-29 08:29:00
○ 2026-06-29 10:33:46
○ 2026-07-25 05:48:58

○A3.171.38.972026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-28 17:27:42
● 2026-06-29 08:29:00
○ 2026-06-29 10:33:46
○ 2026-07-25 05:48:58

○A3.174.46.212026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 07:59:42
● 2026-06-17 12:24:56
○ 2026-06-17 17:19:10
○ 2026-07-25 05:48:58

○A3.174.46.312026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 07:59:42
● 2026-06-17 12:24:56
○ 2026-06-17 17:19:10
○ 2026-07-25 05:48:58

○A3.174.46.442026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 07:59:42
● 2026-06-17 12:24:56
○ 2026-06-17 17:19:10
○ 2026-07-25 05:48:58

○A3.174.46.902026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 07:59:42
● 2026-06-17 12:24:56
○ 2026-06-17 17:19:10
○ 2026-07-25 05:48:58

○A52.204.51.552016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○A52.206.163.702016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○A54.230.79.1112026-06-19 → 2026-06-28 · 8 obs

○ 2026-06-18 12:56:34
● 2026-06-19 06:27:08
○ 2026-06-19 15:53:28
● 2026-06-27 08:08:12
○ 2026-06-27 14:10:44
● 2026-06-28 12:12:48
○ 2026-06-28 16:45:00
○ 2026-07-25 05:48:58

○A54.230.79.222026-06-19 → 2026-06-28 · 8 obs

○ 2026-06-18 12:56:34
● 2026-06-19 06:27:08
○ 2026-06-19 15:53:28
● 2026-06-27 08:08:12
○ 2026-06-27 14:10:44
● 2026-06-28 12:12:48
○ 2026-06-28 16:45:00
○ 2026-07-25 05:48:58

○A54.230.79.352026-06-19 → 2026-06-28 · 8 obs

○ 2026-06-18 12:56:34
● 2026-06-19 06:27:08
○ 2026-06-19 15:53:28
● 2026-06-27 08:08:12
○ 2026-06-27 14:10:44
● 2026-06-28 12:12:48
○ 2026-06-28 16:45:00
○ 2026-07-25 05:48:58

○A54.230.79.822026-06-19 → 2026-06-28 · 8 obs

○ 2026-06-18 12:56:34
● 2026-06-19 06:27:08
○ 2026-06-19 15:53:28
● 2026-06-27 08:08:12
○ 2026-06-27 14:10:44
● 2026-06-28 12:12:48
○ 2026-06-28 16:45:00
○ 2026-07-25 05:48:58

○A99.84.41.1012026-07-04 → 2026-07-24 · 28 obs

○ 2026-07-03 16:37:36
● 2026-07-04 17:32:16
○ 2026-07-04 23:44:58
● 2026-07-05 10:13:04
○ 2026-07-07 09:09:58
● 2026-07-07 14:39:02
○ 2026-07-07 21:07:26
● 2026-07-08 02:20:02
○ 2026-07-08 04:15:04
● 2026-07-08 16:24:30
○ 2026-07-08 19:01:32
● 2026-07-09 13:42:22
○ 2026-07-09 16:47:24
● 2026-07-10 15:31:28
○ 2026-07-11 00:07:48
● 2026-07-17 15:20:44
○ 2026-07-18 01:57:48
● 2026-07-21 09:55:54
○ 2026-07-21 12:12:20
● 2026-07-21 16:26:38
○ 2026-07-21 21:58:02
● 2026-07-22 18:23:28
○ 2026-07-23 03:55:16
● 2026-07-23 22:30:08
○ 2026-07-23 23:22:42
● 2026-07-24 18:12:10
○ 2026-07-24 20:12:46
○ 2026-07-25 05:48:58

○A99.84.41.152026-07-04 → 2026-07-24 · 28 obs

○A99.84.41.362026-07-04 → 2026-07-24 · 28 obs

○A99.84.41.722026-07-04 → 2026-07-24 · 28 obs

○A99.86.12.1292026-05-01 → 2026-06-30 · 52 obs

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

○A99.86.12.22026-05-01 → 2026-06-30 · 52 obs

○A99.86.12.202026-05-01 → 2026-06-30 · 52 obs

○A99.86.12.882026-05-01 → 2026-06-30 · 52 obs

○CNAMEcluster37-1294575878.us-east-1.elb.amazonaws.com2016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

○CNAMEcluster37.instructure.com2016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 07:49:04
○ 2026-05-01 10:23:48
○ 2026-07-25 05:48:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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:205.251.192.2

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: 1649ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.30, 13.35.107.49...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

usfca.instructure.com resolves to four IP addresses: 13.35.107.30, 13.35.107.49, 13.35.107.54 and 13.35.107.66.

Additional host names — specialty-additives.net, enci.strikingly.com, jazznetworks.com and two others — share IP numbers with usfca.instructure.com.