oit.instructure.com - robtex.com

oit.instructure.com

DNSSEC⚠️ Not signed
A13.227.110.2🇺🇸 Amazon13.227.104.0/21 - Cloudfront
PTRserver-13-227-110-2.gru3.r.cloudfront.net
A13.227.110.27🇺🇸 Amazon13.227.104.0/21 - Cloudfront
A13.227.110.43🇺🇸 Amazon13.227.104.0/21 - Cloudfront
A13.227.110.77🇺🇸 Amazon13.227.104.0/21 - Cloudfront

instructure.com

DNSSEC⚠️ Not signed
A151.101.2.132🇺🇸 Fastly151.101.0.0/22
A151.101.66.132🇺🇸 Fastly151.101.64.0/22
NSns-2.awsdns-00.com
NSns-1354.awsdns-41.org
NSns-1799.awsdns-32.co.uk
NSns-996.awsdns-60.net
MXaspmx.l.google.com
MXalt1.aspmx.l.google.com(10)
MXalt2.aspmx.l.google.com(10)
MXaspmx2.googlemail.com(20)
MXaspmx3.googlemail.com(20)
TXT2acd5847c66f4325be05af390213b8c7.instructure.com
TXTMS=ms20700021
TXTZOOM_verify_Up1Opd4-S9ChtRORps16qw
TXTadobe-idp-site-verification=4287460e7429c97ad75b995bdef6b0d7ff1c9b541946abfaf...
TXTanthropic-domain-verification-2pz98m=hO4bmZQTC5gutJZcanKeagAWR
TXTanthropic-domain-verification-4mh4xs=A4vkPXqJIA4VVi9GAbxDEPohr
TXTanthropic-domain-verification-pz1pr3=sZkvFuBJeSdmEXoj4KJYYQW8Z
TXTanthropic-domain-verification-vz61c8=kfBobb4vvH2M9xtsZhFajtKHr
TXTapple-domain-verification=8oZZjgKWADRgkWui
TXTastro-domain-verification=cmbjhzn9b0c0h01pimts1v2h1
TXTatlassian-domain-verification=pS8CbCDhL3R1mMujl07LwhltWFcJtks8mrBa7l/1uocODR9...
TXTbugcrowd-verification=817deedf9414a9ea878ff255c42a9afa
TXTcanva-site-verification=jRPvv0c9AZGTaJIIPIpfAQ
TXTcanva-site-verification=jiASD5n0aNnvUnfIP1w4XA
TXTdocker-verification=7555bc65-ce7a-4ed2-8028-4bf0274d2c5b
TXTdocusign=1ca86ab9-2ddb-4d63-b719-4798811390ca
TXTdrift-domain-verification=608941e9992460f0ccd58daa1decf1808863da188a929106582...
TXTfastly-domain-delegation-jpv3oeoqr3aouxwkbhpb-00480650-2025-07-31
TXTfigma-domain-verification=848b9254b032bfe488e955a140a8a63cb345186c3c69b7200f7...
TXTgoogle-site-verification=3SDlSr_fW_6bYm0BDDK4ZXs6I5yKtB4WyXL3GNozx8I
TXTgoogle-site-verification=Som6bbrVvI5NLh3lTcpNSbp6_0GpFezQQ9xo6CrSHOQ
TXTgoogle-site-verification=WSlNW84_Zm6mbOaM35pQyLJUt7-OtVXNjzXe9LT-eJI
TXTgoogle-site-verification=bC89ByaBs616PDmJLrSUG5RS3fyA8agwCtXch9G0GL0
TXThcp-domain-verification=24de36f1e2e1ad573ac320a62707e7ec8ac0cce2dccf7985914a8...
TXTjamf-site-verification=-bAufptjYdQAfzF-s7PBtQ
TXTm6bll7f2q2d2uidl6cq273dma0
TXTmiro-verification=0ee36f655f5ce0499683c255714fcdbe990af0e0
TXTmongodb-site-verification=UyyatYgRcdnc3W9g8StgD1OK8wfcIouE
TXTonetrust-domain-verification=5ef48d8081ac4ab6adce9ed80c92f4e5
TXTopenai-domain-verification=dv-wb5qFISTkDoktTMXLsDMVuZ0
TXTpendo-domain-verification=2l9wI_SzXdfdzA0ZCZUES4O0FS0
TXTsprout-social-715adb3f-6166-4bc5-b3d9-b1faf326db31
TXTv=spf1 include:_spf.google.com include:amazonses.com include:_spf.q4press.com...
TXTzapier-domain-verification-challenge=fe79b183-171c-432c-bf5d-48b3e73fd0af
TXTzoho-verification=zb08654551.zmverify.zoho.com
SOAns-2.awsdns-00.comawsdns-hostmaster@amazon.com serial=1
WOT: SAFE (87/100)
rank #1370 globally
rank #738 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,305

Same first word

Similar names

DNS History

37 records (4 active, 33 former)

2020202120222023202420252026A13.227.110.213.227.110.2713.227.110.4313.227.110.77108.158.186.116108.158.186.2108.158.186.34108.158.186.9913.33.109.11713.33.109.4413.33.109.9413.33.109.9718.154.110.11018.154.110.318.154.110.4918.154.110.5218.239.168.1118.239.168.12518.239.168.8618.239.168.883.161.213.473.161.213.613.161.213.663.161.213.723.170.229.1063.170.229.393.170.229.583.170.229.9754.192.151.10954.192.151.12654.192.151.7654.192.151.9599.86.12.12999.86.12.299.86.12.2099.86.12.88CNAMEcluster91.instructure.com
A108.158.186.1162026-05-06 → 2026-05-18 · 14 obs
○ 2026-05-06 02:43:42
● 2026-05-06 10:10:06
○ 2026-05-06 11:00:34
○ 2026-05-06 13:57:44
● 2026-05-06 14:40:44
○ 2026-05-06 15:19:46
○ 2026-05-11 09:17:02
● 2026-05-11 14:12:10
○ 2026-05-11 14:59:28
○ 2026-05-17 09:37:54
● 2026-05-18 12:02:34
● 2026-05-18 13:51:02
○ 2026-05-18 14:51:00
○ 2026-06-08 12:11:46
A108.158.186.22026-05-06 → 2026-05-18 · 14 obs
○ 2026-05-06 02:43:42
● 2026-05-06 10:10:06
○ 2026-05-06 11:00:34
○ 2026-05-06 13:57:44
● 2026-05-06 14:40:44
○ 2026-05-06 15:19:46
○ 2026-05-11 09:17:02
● 2026-05-11 14:12:10
○ 2026-05-11 14:59:28
○ 2026-05-17 09:37:54
● 2026-05-18 12:02:34
● 2026-05-18 13:51:02
○ 2026-05-18 14:51:00
○ 2026-06-08 12:11:46
A108.158.186.342026-05-06 → 2026-05-18 · 14 obs
○ 2026-05-06 02:43:42
● 2026-05-06 10:10:06
○ 2026-05-06 11:00:34
○ 2026-05-06 13:57:44
● 2026-05-06 14:40:44
○ 2026-05-06 15:19:46
○ 2026-05-11 09:17:02
● 2026-05-11 14:12:10
○ 2026-05-11 14:59:28
○ 2026-05-17 09:37:54
● 2026-05-18 12:02:34
● 2026-05-18 13:51:02
○ 2026-05-18 14:51:00
○ 2026-06-08 12:11:46
A108.158.186.992026-05-06 → 2026-05-18 · 14 obs
○ 2026-05-06 02:43:42
● 2026-05-06 10:10:06
○ 2026-05-06 11:00:34
○ 2026-05-06 13:57:44
● 2026-05-06 14:40:44
○ 2026-05-06 15:19:46
○ 2026-05-11 09:17:02
● 2026-05-11 14:12:10
○ 2026-05-11 14:59:28
○ 2026-05-17 09:37:54
● 2026-05-18 12:02:34
● 2026-05-18 13:51:02
○ 2026-05-18 14:51:00
○ 2026-06-08 12:11:46
A13.227.110.22026-05-04 → 2026-06-08 · 31 obs
● 2026-05-04 04:57:58
○ 2026-05-04 07:54:48
○ 2026-05-05 21:27:08
● 2026-05-05 22:00:46
○ 2026-05-05 23:08:22
○ 2026-05-21 10:45:32
● 2026-05-25 03:58:26
○ 2026-05-25 08:03:06
● 2026-05-26 09:54:18
○ 2026-05-26 15:04:34
● 2026-05-27 15:39:22
○ 2026-05-28 08:16:28
● 2026-05-29 11:53:38
○ 2026-05-30 20:37:40
● 2026-05-31 16:51:46
○ 2026-06-02 01:39:04
● 2026-06-02 06:11:12
● 2026-06-02 11:08:44
○ 2026-06-02 14:19:06
● 2026-06-02 23:31:32
● 2026-06-03 14:06:46
○ 2026-06-03 16:34:08
● 2026-06-03 19:45:12
● 2026-06-04 06:30:44
○ 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
● 2026-06-05 19:50:58
● 2026-06-06 23:10:36
○ 2026-06-07 22:13:10
● 2026-06-08 12:11:40
● 2026-06-08 12:11:46
A13.227.110.272026-05-04 → 2026-06-08 · 31 obs
● 2026-05-04 04:57:58
○ 2026-05-04 07:54:48
○ 2026-05-05 21:27:08
● 2026-05-05 22:00:46
○ 2026-05-05 23:08:22
○ 2026-05-21 10:45:32
● 2026-05-25 03:58:26
○ 2026-05-25 08:03:06
● 2026-05-26 09:54:18
○ 2026-05-26 15:04:34
● 2026-05-27 15:39:22
○ 2026-05-28 08:16:28
● 2026-05-29 11:53:38
○ 2026-05-30 20:37:40
● 2026-05-31 16:51:46
○ 2026-06-02 01:39:04
● 2026-06-02 06:11:12
● 2026-06-02 11:08:44
○ 2026-06-02 14:19:06
● 2026-06-02 23:31:32
● 2026-06-03 14:06:46
○ 2026-06-03 16:34:08
● 2026-06-03 19:45:12
● 2026-06-04 06:30:44
○ 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
● 2026-06-05 19:50:58
● 2026-06-06 23:10:36
○ 2026-06-07 22:13:10
● 2026-06-08 12:11:40
● 2026-06-08 12:11:46
A13.227.110.432026-05-04 → 2026-06-08 · 31 obs
● 2026-05-04 04:57:58
○ 2026-05-04 07:54:48
○ 2026-05-05 21:27:08
● 2026-05-05 22:00:46
○ 2026-05-05 23:08:22
○ 2026-05-21 10:45:32
● 2026-05-25 03:58:26
○ 2026-05-25 08:03:06
● 2026-05-26 09:54:18
○ 2026-05-26 15:04:34
● 2026-05-27 15:39:22
○ 2026-05-28 08:16:28
● 2026-05-29 11:53:38
○ 2026-05-30 20:37:40
● 2026-05-31 16:51:46
○ 2026-06-02 01:39:04
● 2026-06-02 06:11:12
● 2026-06-02 11:08:44
○ 2026-06-02 14:19:06
● 2026-06-02 23:31:32
● 2026-06-03 14:06:46
○ 2026-06-03 16:34:08
● 2026-06-03 19:45:12
● 2026-06-04 06:30:44
○ 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
● 2026-06-05 19:50:58
● 2026-06-06 23:10:36
○ 2026-06-07 22:13:10
● 2026-06-08 12:11:40
● 2026-06-08 12:11:46
A13.227.110.772026-05-04 → 2026-06-08 · 31 obs
● 2026-05-04 04:57:58
○ 2026-05-04 07:54:48
○ 2026-05-05 21:27:08
● 2026-05-05 22:00:46
○ 2026-05-05 23:08:22
○ 2026-05-21 10:45:32
● 2026-05-25 03:58:26
○ 2026-05-25 08:03:06
● 2026-05-26 09:54:18
○ 2026-05-26 15:04:34
● 2026-05-27 15:39:22
○ 2026-05-28 08:16:28
● 2026-05-29 11:53:38
○ 2026-05-30 20:37:40
● 2026-05-31 16:51:46
○ 2026-06-02 01:39:04
● 2026-06-02 06:11:12
● 2026-06-02 11:08:44
○ 2026-06-02 14:19:06
● 2026-06-02 23:31:32
● 2026-06-03 14:06:46
○ 2026-06-03 16:34:08
● 2026-06-03 19:45:12
● 2026-06-04 06:30:44
○ 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
● 2026-06-05 19:50:58
● 2026-06-06 23:10:36
○ 2026-06-07 22:13:10
● 2026-06-08 12:11:40
● 2026-06-08 12:11:46
A13.33.109.1172026-05-05 → 2026-05-19 · 18 obs
○ 2026-05-05 01:41:24
● 2026-05-05 21:27:08
○ 2026-05-05 22:00:46
○ 2026-05-09 04:51:16
● 2026-05-09 13:13:46
○ 2026-05-09 15:46:42
○ 2026-05-11 01:02:50
● 2026-05-11 03:47:36
○ 2026-05-11 04:21:50
○ 2026-05-19 09:34:38
● 2026-05-19 16:22:34
○ 2026-05-19 17:17:44
● 2026-05-19 17:52:28
● 2026-05-19 18:29:32
○ 2026-05-19 19:25:16
● 2026-05-19 23:57:40
○ 2026-05-20 00:44:34
○ 2026-06-08 12:11:46
A13.33.109.442026-05-05 → 2026-05-19 · 18 obs
○ 2026-05-05 01:41:24
● 2026-05-05 21:27:08
○ 2026-05-05 22:00:46
○ 2026-05-09 04:51:16
● 2026-05-09 13:13:46
○ 2026-05-09 15:46:42
○ 2026-05-11 01:02:50
● 2026-05-11 03:47:36
○ 2026-05-11 04:21:50
○ 2026-05-19 09:34:38
● 2026-05-19 16:22:34
○ 2026-05-19 17:17:44
● 2026-05-19 17:52:28
● 2026-05-19 18:29:32
○ 2026-05-19 19:25:16
● 2026-05-19 23:57:40
○ 2026-05-20 00:44:34
○ 2026-06-08 12:11:46
A13.33.109.942026-05-05 → 2026-05-19 · 18 obs
○ 2026-05-05 01:41:24
● 2026-05-05 21:27:08
○ 2026-05-05 22:00:46
○ 2026-05-09 04:51:16
● 2026-05-09 13:13:46
○ 2026-05-09 15:46:42
○ 2026-05-11 01:02:50
● 2026-05-11 03:47:36
○ 2026-05-11 04:21:50
○ 2026-05-19 09:34:38
● 2026-05-19 16:22:34
○ 2026-05-19 17:17:44
● 2026-05-19 17:52:28
● 2026-05-19 18:29:32
○ 2026-05-19 19:25:16
● 2026-05-19 23:57:40
○ 2026-05-20 00:44:34
○ 2026-06-08 12:11:46
A13.33.109.972026-05-05 → 2026-05-19 · 18 obs
○ 2026-05-05 01:41:24
● 2026-05-05 21:27:08
○ 2026-05-05 22:00:46
○ 2026-05-09 04:51:16
● 2026-05-09 13:13:46
○ 2026-05-09 15:46:42
○ 2026-05-11 01:02:50
● 2026-05-11 03:47:36
○ 2026-05-11 04:21:50
○ 2026-05-19 09:34:38
● 2026-05-19 16:22:34
○ 2026-05-19 17:17:44
● 2026-05-19 17:52:28
● 2026-05-19 18:29:32
○ 2026-05-19 19:25:16
● 2026-05-19 23:57:40
○ 2026-05-20 00:44:34
○ 2026-06-08 12:11:46
A18.154.110.1102026-05-19 → 2026-06-07 · 31 obs
○ 2026-05-19 00:42:34
● 2026-05-19 09:34:38
○ 2026-05-19 16:22:34
● 2026-05-19 17:17:44
○ 2026-05-19 17:52:28
○ 2026-05-19 18:29:32
● 2026-05-19 19:25:16
○ 2026-05-19 23:57:40
● 2026-05-20 00:44:34
○ 2026-05-20 17:28:24
● 2026-05-20 18:59:46
● 2026-05-21 10:45:32
○ 2026-05-25 03:58:26
● 2026-05-25 08:03:06
○ 2026-05-26 09:54:18
● 2026-05-26 15:04:34
○ 2026-05-27 15:39:22
● 2026-05-28 08:16:28
○ 2026-05-29 11:53:38
● 2026-05-30 20:37:40
○ 2026-05-31 16:51:46
○ 2026-06-02 11:08:44
● 2026-06-02 14:19:06
○ 2026-06-02 23:31:32
○ 2026-06-04 06:30:44
● 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
○ 2026-06-06 23:10:36
● 2026-06-07 22:13:10
○ 2026-06-08 12:11:40
○ 2026-06-08 12:11:46
A18.154.110.32026-05-19 → 2026-06-07 · 31 obs
○ 2026-05-19 00:42:34
● 2026-05-19 09:34:38
○ 2026-05-19 16:22:34
● 2026-05-19 17:17:44
○ 2026-05-19 17:52:28
○ 2026-05-19 18:29:32
● 2026-05-19 19:25:16
○ 2026-05-19 23:57:40
● 2026-05-20 00:44:34
○ 2026-05-20 17:28:24
● 2026-05-20 18:59:46
● 2026-05-21 10:45:32
○ 2026-05-25 03:58:26
● 2026-05-25 08:03:06
○ 2026-05-26 09:54:18
● 2026-05-26 15:04:34
○ 2026-05-27 15:39:22
● 2026-05-28 08:16:28
○ 2026-05-29 11:53:38
● 2026-05-30 20:37:40
○ 2026-05-31 16:51:46
○ 2026-06-02 11:08:44
● 2026-06-02 14:19:06
○ 2026-06-02 23:31:32
○ 2026-06-04 06:30:44
● 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
○ 2026-06-06 23:10:36
● 2026-06-07 22:13:10
○ 2026-06-08 12:11:40
○ 2026-06-08 12:11:46
A18.154.110.492026-05-19 → 2026-06-07 · 31 obs
○ 2026-05-19 00:42:34
● 2026-05-19 09:34:38
○ 2026-05-19 16:22:34
● 2026-05-19 17:17:44
○ 2026-05-19 17:52:28
○ 2026-05-19 18:29:32
● 2026-05-19 19:25:16
○ 2026-05-19 23:57:40
● 2026-05-20 00:44:34
○ 2026-05-20 17:28:24
● 2026-05-20 18:59:46
● 2026-05-21 10:45:32
○ 2026-05-25 03:58:26
● 2026-05-25 08:03:06
○ 2026-05-26 09:54:18
● 2026-05-26 15:04:34
○ 2026-05-27 15:39:22
● 2026-05-28 08:16:28
○ 2026-05-29 11:53:38
● 2026-05-30 20:37:40
○ 2026-05-31 16:51:46
○ 2026-06-02 11:08:44
● 2026-06-02 14:19:06
○ 2026-06-02 23:31:32
○ 2026-06-04 06:30:44
● 2026-06-05 03:39:46
○ 2026-06-05 06:49:50
○ 2026-06-06 23:10:36
● 2026-06-07 22:13:10
○ 2026-06-08 12:11:40
○ 2026-06-08 12:11:46
A18.154.110.522026-05-19 → 2026-06-07 · 31 obs
○ 2026-05-19 00:42:34
● 2026-05-19 09:34:38
○ 2026-05-19 16:22:34
● 2026-05-19 17:17:44
○ 2026-05-19 17:52:28
○ 2026-05-19 18:29:32
● 2026-05-19 19:25:16
○ 2026-05-19 23:57:40
● 2026-05-20 00:44:34
○ 2026-05-20 17:28:24
● 2026-05-20 18:59:46
● 2026-05-21 10:45:32
○ 2026-05-25 03:58:26
● 2026-05-25 08:03:06
○ 2026-05-26 09:54:18
● 2026-05-26 15:04:34
○ 2026-05-27 15:39:22
● 2026-05-28 08:16:28
○ 2026-05-29 11:53:38
● 2026-05-30 20:37:40
○ 2026-05-31 16:51:46
○ 2026-06-02 11:08:44
● 2026-06-02 14:19:06
○ 2026-06-02 23:31:32
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● 2026-06-05 03:39:46
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○ 2026-06-06 23:10:36
● 2026-06-07 22:13:10
○ 2026-06-08 12:11:40
○ 2026-06-08 12:11:46
A18.239.168.112026-05-06 → 2026-05-07 · 7 obs
○ 2026-05-06 11:00:34
● 2026-05-06 13:57:44
○ 2026-05-06 14:40:44
○ 2026-05-07 04:15:14
● 2026-05-07 18:27:08
○ 2026-05-07 19:11:56
○ 2026-06-08 12:11:46
A18.239.168.1252026-05-06 → 2026-05-07 · 7 obs
○ 2026-05-06 11:00:34
● 2026-05-06 13:57:44
○ 2026-05-06 14:40:44
○ 2026-05-07 04:15:14
● 2026-05-07 18:27:08
○ 2026-05-07 19:11:56
○ 2026-06-08 12:11:46
A18.239.168.862026-05-06 → 2026-05-07 · 7 obs
○ 2026-05-06 11:00:34
● 2026-05-06 13:57:44
○ 2026-05-06 14:40:44
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A18.239.168.882026-05-06 → 2026-05-07 · 7 obs
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A3.161.213.472026-05-20 → 2026-05-20 · 4 obs
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A3.161.213.612026-05-20 → 2026-05-20 · 4 obs
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A3.161.213.662026-05-20 → 2026-05-20 · 4 obs
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A3.161.213.722026-05-20 → 2026-05-20 · 4 obs
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A3.170.229.1062026-06-02 → 2026-06-02 · 4 obs
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A3.170.229.392026-06-02 → 2026-06-02 · 4 obs
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A3.170.229.582026-06-02 → 2026-06-02 · 4 obs
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A3.170.229.972026-06-02 → 2026-06-02 · 4 obs
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A54.192.151.1092026-06-03 → 2026-06-05 · 7 obs
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A54.192.151.1262026-06-03 → 2026-06-05 · 7 obs
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A54.192.151.762026-06-03 → 2026-06-05 · 7 obs
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A54.192.151.952026-06-03 → 2026-06-05 · 7 obs
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A99.86.12.1292026-05-04 → 2026-05-19 · 31 obs
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A99.86.12.22026-05-04 → 2026-05-19 · 31 obs
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A99.86.12.202026-05-04 → 2026-05-19 · 31 obs
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A99.86.12.882026-05-04 → 2026-05-19 · 31 obs
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CNAMEcluster91.instructure.com2019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 04:50:52
○ 2026-05-04 04:57:58
○ 2026-06-08 12:11:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...-
instructure.comns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org2 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: 241ms | Queries: -

📄 Records

TypeCountSample Data
A413.227.110.2, 13.227.110.27...

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

oit.instructure.com resolves to 4 IP numbers: 13.227.110.2, 13.227.110.27, 13.227.110.43 and 13.227.110.77.

Additional host names — yicopy.com, sydler.quickconnect.to, 8mph.app.link and two others — share IP numbers with oit.instructure.com.