`mdsa.instructure.com`

DNSSEC	⚠️ Not signed
A	13.227.110.2^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
		PTR	`server-13-227-110-2.gru3.r.cloudfront.net`
A	13.227.110.27^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
A	13.227.110.43^{🇺🇸 Amazon13.227.104.0/21 - Cloudfront}
A	13.227.110.77^{🇺🇸 Amazon13.227.104.0/21 - 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 #1350 globally
rank #730 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,120

Same first word

mdsa.info

mdsa.cl

mdsa.net

mdsa.cn

mdsa.co.uk

mdsa.com.br

mdsa.ru

mdsa.co.jp

mdsa.com

mdsa.jp

mdsa.us

mdsa.org.za

mdsa.fr

Similar names

adms.jp

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smda.cn

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sdma.org.cn

adms.biz

mdas.org.au

mads.su

asmd.fr

sadm.ca

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dams.me

asdm.org

smda.ru

dasm.net

dmsa.co.uk

dmas.eu

masd.org.tr

adms.com.br

amsd.dk

adms.nc

masd.be

amds.co.uk

adms.org.au

mdas.se

smda.com

dasm.de

asdm.pl

amsd.ir

mads.net

dsam.dk

dsma.co

mdas.nl

asmd.es

samd.online

mads.sch.id

adms.es

msda.org

dmas.net

smad.ru

masd.info

adsm.info

dmsa.org.do

asdm.com.au

msda.com.mx

adms.info

dams.info

adsm.com.br

mdas.ru

masd.se

smda.nu

dams.co

smad.us

adms.be

amsd.org

dmsa.it

samd.ch

mdas.us

adsm.gov.tr

mdas.com.cn

msad.pl

amds.ca

masd.com

adsm.com.co

masd.ru

dasm.co.uk

adms.sk

dams.nl

masd.cc

sdma.cn

smad.ca

dsam.ru

mdas.no

adsm.co

smda.it

dsam.eu

dsam.fr

adms.it

amsd.ru

masd.es

dams.ca

amds.hr

smad.co.uk

amsd.cl

msda.my

adsm.com.au

amds.nl

dasm.ru

sdam.ch

sdma.fr

sadm.gob.mx

sdam.ru

asdm.ru

dmas.io

mdas.in

dasm.cz

dmas.co

dams.de

amds.com.au

smad.co

dsam.com

adms.nl

adsm.com.sg

dmas.cn

samd.org

amsd.ma

mdas.com

dams.cz

adms.ru

adms.su

dasm.com.cn

mads.in

amsd.net

samd.info

adms.net

asmd.ru

DNS History

45 records (4 active, 41 former)

○A108.158.186.1162026-05-06 → 2026-05-18 · 18 obs

○ 2026-05-06 04:18:10
● 2026-05-06 09:07:52
○ 2026-05-06 10:19:00
● 2026-05-06 14:40:44
○ 2026-05-06 15:19:46
○ 2026-05-09 23:48:02
● 2026-05-10 01:02:24
○ 2026-05-10 01:39:00
○ 2026-05-10 09:13:22
● 2026-05-10 16:44:30
○ 2026-05-10 17:34:08
○ 2026-05-10 19:30:36
● 2026-05-10 20:47:24
○ 2026-05-10 21:44:08
○ 2026-05-18 03:35:08
● 2026-05-18 05:11:00
○ 2026-05-18 06:24:52
○ 2026-05-31 05:09:32

○A108.158.186.22026-05-06 → 2026-05-18 · 18 obs

○A108.158.186.342026-05-06 → 2026-05-18 · 18 obs

○A108.158.186.992026-05-06 → 2026-05-18 · 18 obs

○A13.226.144.122026-04-11 → 2026-04-11 · 4 obs

○ 2026-04-11 11:01:02
● 2026-04-11 15:02:02
○ 2026-04-28 05:35:06
○ 2026-05-31 05:09:32

○A13.226.144.432026-04-11 → 2026-04-11 · 4 obs

○ 2026-04-11 11:01:02
● 2026-04-11 15:02:02
○ 2026-04-28 05:35:06
○ 2026-05-31 05:09:32

○A13.226.144.62026-04-11 → 2026-04-11 · 4 obs

○ 2026-04-11 11:01:02
● 2026-04-11 15:02:02
○ 2026-04-28 05:35:06
○ 2026-05-31 05:09:32

○A13.226.144.612026-04-11 → 2026-04-11 · 4 obs

○ 2026-04-11 11:01:02
● 2026-04-11 15:02:02
○ 2026-04-28 05:35:06
○ 2026-05-31 05:09:32

○A13.227.107.302026-04-28 → 2026-04-29 · 7 obs

○ 2026-04-28 22:01:06
● 2026-04-28 23:10:26
○ 2026-04-28 23:57:18
○ 2026-04-29 08:30:58
● 2026-04-29 09:33:32
○ 2026-04-29 10:15:40
○ 2026-05-31 05:09:32

○A13.227.107.462026-04-28 → 2026-04-29 · 7 obs

○ 2026-04-28 22:01:06
● 2026-04-28 23:10:26
○ 2026-04-28 23:57:18
○ 2026-04-29 08:30:58
● 2026-04-29 09:33:32
○ 2026-04-29 10:15:40
○ 2026-05-31 05:09:32

○A13.227.107.502026-04-28 → 2026-04-29 · 7 obs

○ 2026-04-28 22:01:06
● 2026-04-28 23:10:26
○ 2026-04-28 23:57:18
○ 2026-04-29 08:30:58
● 2026-04-29 09:33:32
○ 2026-04-29 10:15:40
○ 2026-05-31 05:09:32

○A13.227.107.582026-04-28 → 2026-04-29 · 7 obs

○ 2026-04-28 22:01:06
● 2026-04-28 23:10:26
○ 2026-04-28 23:57:18
○ 2026-04-29 08:30:58
● 2026-04-29 09:33:32
○ 2026-04-29 10:15:40
○ 2026-05-31 05:09:32

●A13.227.110.22026-05-19 → 2026-05-31 · 13 obs

○ 2026-05-19 04:36:54
● 2026-05-19 09:17:32
○ 2026-05-19 12:25:54
○ 2026-05-22 17:56:12
● 2026-05-24 19:15:26
○ 2026-05-24 21:57:46
○ 2026-05-29 00:54:00
● 2026-05-29 15:36:56
○ 2026-05-30 06:51:52
● 2026-05-31 00:44:54
○ 2026-05-31 01:49:38
● 2026-05-31 05:09:30
● 2026-05-31 05:09:32

●A13.227.110.272026-05-19 → 2026-05-31 · 13 obs

●A13.227.110.432026-05-19 → 2026-05-31 · 13 obs

●A13.227.110.772026-05-19 → 2026-05-31 · 13 obs

○A13.33.109.1172026-04-28 → 2026-05-20 · 24 obs

○ 2026-04-28 05:35:06
● 2026-04-28 08:45:16
○ 2026-04-28 10:00:08
● 2026-04-28 15:15:40
○ 2026-04-28 16:18:14
○ 2026-04-30 18:14:22
● 2026-05-01 00:28:30
○ 2026-05-01 01:09:42
○ 2026-05-02 22:15:16
● 2026-05-03 01:56:22
○ 2026-05-03 02:37:10
○ 2026-05-04 22:18:52
● 2026-05-05 00:30:02
○ 2026-05-05 02:41:44
○ 2026-05-08 16:19:42
● 2026-05-09 00:34:36
○ 2026-05-09 02:58:38
○ 2026-05-15 19:02:02
● 2026-05-16 12:52:10
○ 2026-05-16 14:15:56
○ 2026-05-19 12:25:54
● 2026-05-20 01:32:08
○ 2026-05-20 02:51:14
○ 2026-05-31 05:09:32

○A13.33.109.442026-04-28 → 2026-05-20 · 24 obs

○A13.33.109.942026-04-28 → 2026-05-20 · 24 obs

○A13.33.109.972026-04-28 → 2026-05-20 · 24 obs

○A18.154.110.1102026-05-19 → 2026-05-31 · 23 obs

○ 2026-05-19 09:17:32
● 2026-05-19 12:25:54
○ 2026-05-20 01:32:08
● 2026-05-20 02:51:14
● 2026-05-20 22:46:10
○ 2026-05-21 09:05:26
● 2026-05-21 10:45:32
○ 2026-05-21 13:14:08
● 2026-05-21 17:54:22
○ 2026-05-21 18:49:46
● 2026-05-21 20:18:50
○ 2026-05-22 05:09:44
● 2026-05-22 06:36:52
● 2026-05-22 17:56:12
○ 2026-05-24 19:15:26
● 2026-05-24 21:57:46
● 2026-05-29 00:54:00
○ 2026-05-29 15:36:56
● 2026-05-30 06:51:52
○ 2026-05-31 00:44:54
● 2026-05-31 01:49:38
○ 2026-05-31 05:09:30
○ 2026-05-31 05:09:32

○A18.154.110.32026-05-19 → 2026-05-31 · 23 obs

○A18.154.110.492026-05-19 → 2026-05-31 · 23 obs

○A18.154.110.522026-05-19 → 2026-05-31 · 23 obs

○A18.160.18.1022026-05-21 → 2026-05-22 · 6 obs

○ 2026-05-21 17:54:22
● 2026-05-21 18:49:46
○ 2026-05-21 20:18:50
● 2026-05-22 05:09:44
○ 2026-05-22 06:36:52
○ 2026-05-31 05:09:32

○A18.160.18.112026-05-21 → 2026-05-22 · 6 obs

○ 2026-05-21 17:54:22
● 2026-05-21 18:49:46
○ 2026-05-21 20:18:50
● 2026-05-22 05:09:44
○ 2026-05-22 06:36:52
○ 2026-05-31 05:09:32

○A18.160.18.1192026-05-21 → 2026-05-22 · 6 obs

○ 2026-05-21 17:54:22
● 2026-05-21 18:49:46
○ 2026-05-21 20:18:50
● 2026-05-22 05:09:44
○ 2026-05-22 06:36:52
○ 2026-05-31 05:09:32

○A18.160.18.1262026-05-21 → 2026-05-22 · 6 obs

○ 2026-05-21 17:54:22
● 2026-05-21 18:49:46
○ 2026-05-21 20:18:50
● 2026-05-22 05:09:44
○ 2026-05-22 06:36:52
○ 2026-05-31 05:09:32

○A18.239.168.112026-05-08 → 2026-05-11 · 7 obs

○ 2026-05-07 20:46:16
● 2026-05-08 00:30:16
○ 2026-05-08 01:00:48
○ 2026-05-11 00:47:02
● 2026-05-11 05:34:18
○ 2026-05-11 06:25:32
○ 2026-05-31 05:09:32

○A18.239.168.1252026-05-08 → 2026-05-11 · 7 obs

○ 2026-05-07 20:46:16
● 2026-05-08 00:30:16
○ 2026-05-08 01:00:48
○ 2026-05-11 00:47:02
● 2026-05-11 05:34:18
○ 2026-05-11 06:25:32
○ 2026-05-31 05:09:32

○A18.239.168.862026-05-08 → 2026-05-11 · 7 obs

○ 2026-05-07 20:46:16
● 2026-05-08 00:30:16
○ 2026-05-08 01:00:48
○ 2026-05-11 00:47:02
● 2026-05-11 05:34:18
○ 2026-05-11 06:25:32
○ 2026-05-31 05:09:32

○A18.239.168.882026-05-08 → 2026-05-11 · 7 obs

○ 2026-05-07 20:46:16
● 2026-05-08 00:30:16
○ 2026-05-08 01:00:48
○ 2026-05-11 00:47:02
● 2026-05-11 05:34:18
○ 2026-05-11 06:25:32
○ 2026-05-31 05:09:32

○A3.167.99.172026-05-21 → 2026-05-21 · 6 obs

○ 2026-05-20 22:46:10
● 2026-05-21 09:05:26
○ 2026-05-21 10:45:32
● 2026-05-21 13:14:08
○ 2026-05-21 17:54:22
○ 2026-05-31 05:09:32

○A3.167.99.192026-05-21 → 2026-05-21 · 6 obs

○ 2026-05-20 22:46:10
● 2026-05-21 09:05:26
○ 2026-05-21 10:45:32
● 2026-05-21 13:14:08
○ 2026-05-21 17:54:22
○ 2026-05-31 05:09:32

○A3.167.99.282026-05-21 → 2026-05-21 · 6 obs

○ 2026-05-20 22:46:10
● 2026-05-21 09:05:26
○ 2026-05-21 10:45:32
● 2026-05-21 13:14:08
○ 2026-05-21 17:54:22
○ 2026-05-31 05:09:32

○A3.167.99.82026-05-21 → 2026-05-21 · 6 obs

○ 2026-05-20 22:46:10
● 2026-05-21 09:05:26
○ 2026-05-21 10:45:32
● 2026-05-21 13:14:08
○ 2026-05-21 17:54:22
○ 2026-05-31 05:09:32

○A3.174.29.1002026-04-10 → 2026-04-11 · 4 obs

● 2026-04-10 16:39:30
● 2026-04-11 11:01:02
○ 2026-04-11 15:02:02
○ 2026-05-31 05:09:32

○A3.174.29.1062026-04-10 → 2026-04-11 · 4 obs

● 2026-04-10 16:39:30
● 2026-04-11 11:01:02
○ 2026-04-11 15:02:02
○ 2026-05-31 05:09:32

○A3.174.29.142026-04-10 → 2026-04-11 · 4 obs

● 2026-04-10 16:39:30
● 2026-04-11 11:01:02
○ 2026-04-11 15:02:02
○ 2026-05-31 05:09:32

○A3.174.29.882026-04-10 → 2026-04-11 · 4 obs

● 2026-04-10 16:39:30
● 2026-04-11 11:01:02
○ 2026-04-11 15:02:02
○ 2026-05-31 05:09:32

○A99.86.12.1292026-04-28 → 2026-05-19 · 53 obs

○ 2026-04-11 15:02:02
● 2026-04-28 05:35:06
○ 2026-04-28 08:45:16
● 2026-04-28 10:00:08
○ 2026-04-28 15:15:40
● 2026-04-28 16:18:14
● 2026-04-28 22:01:06
○ 2026-04-28 23:10:26
● 2026-04-28 23:57:18
● 2026-04-29 08:30:58
○ 2026-04-29 09:33:32
● 2026-04-29 10:15:40
● 2026-04-30 18:14:22
○ 2026-05-01 00:28:30
● 2026-05-01 01:09:42
● 2026-05-02 22:15:16
○ 2026-05-03 01:56:22
● 2026-05-03 02:37:10
● 2026-05-04 22:18:52
○ 2026-05-05 00:30:02
● 2026-05-05 02:41:44
● 2026-05-06 04:18:10
○ 2026-05-06 09:07:52
● 2026-05-06 10:19:00
○ 2026-05-06 14:40:44
● 2026-05-06 15:19:46
● 2026-05-07 20:46:16
○ 2026-05-08 00:30:16
● 2026-05-08 01:00:48
● 2026-05-08 16:19:42
○ 2026-05-09 00:34:36
● 2026-05-09 02:58:38
● 2026-05-09 23:48:02
○ 2026-05-10 01:02:24
● 2026-05-10 01:39:00
● 2026-05-10 09:13:22
○ 2026-05-10 16:44:30
● 2026-05-10 17:34:08
● 2026-05-10 19:30:36
○ 2026-05-10 20:47:24
● 2026-05-10 21:44:08
● 2026-05-11 00:47:02
○ 2026-05-11 05:34:18
● 2026-05-11 06:25:32
● 2026-05-15 19:02:02
○ 2026-05-16 12:52:10
● 2026-05-16 14:15:56
● 2026-05-18 03:35:08
○ 2026-05-18 05:11:00
● 2026-05-18 06:24:52
● 2026-05-19 04:36:54
○ 2026-05-19 09:17:32
○ 2026-05-31 05:09:32

○A99.86.12.22026-04-28 → 2026-05-19 · 53 obs

○A99.86.12.202026-04-28 → 2026-05-19 · 53 obs

○A99.86.12.882026-04-28 → 2026-05-19 · 53 obs

○CNAMEcluster61.instructure.com2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 06:43:30
○ 2026-04-10 16:39:30
○ 2026-05-31 05:09:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.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:205.251.199.7

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: 1904ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.227.110.27, 13.227.110.43...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mdsa.instructure.com maps to 4 IP numbers, specifically 13.227.110.2, 13.227.110.27, 13.227.110.43 and 13.227.110.77.

mdsa.instructure.com - robtex.com