stmarksschool.instructure.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stmarksschool.instructure.com`

DNSSEC	⚠️ Not signed
A	108.138.103.3^{🇺🇸 Amazon108.136.0.0/14}
		PTR	`server-108-138-103-3.gru1.r.cloudfront.net`
A	108.138.103.57^{🇺🇸 Amazon108.136.0.0/14}
A	108.138.103.99^{🇺🇸 Amazon108.136.0.0/14}
A	108.138.103.107^{🇺🇸 Amazon108.136.0.0/14}

`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	`stripe-verification=B0532755BD8D4E0C6B601C3FCDB1DF203E57A8D2CDA9A7F9F84F8BD64...`
	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 #1481 globally
rank #791 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #2,043

Same first word

stmarksschool.co.za

stmarksschool.com

stmarksschool.org

DNS History

33 records (4 active, 29 former)

●A108.138.103.1072026-08-07 → 2026-08-16 · 44 obs

● 2026-08-07 00:18:00
○ 2026-08-07 12:43:36
● 2026-08-07 16:01:28
○ 2026-08-08 03:26:26
● 2026-08-08 04:39:44
○ 2026-08-08 08:56:58
● 2026-08-08 09:31:06
○ 2026-08-08 17:59:36
● 2026-08-08 23:02:18
○ 2026-08-09 00:31:34
● 2026-08-09 02:37:52
○ 2026-08-09 17:48:14
● 2026-08-09 19:10:38
○ 2026-08-10 12:28:22
● 2026-08-10 13:21:32
○ 2026-08-10 23:10:56
● 2026-08-11 05:29:40
○ 2026-08-11 16:43:04
● 2026-08-11 18:36:38
○ 2026-08-11 19:45:12
● 2026-08-12 00:50:18
○ 2026-08-12 14:45:20
● 2026-08-12 15:40:16
○ 2026-08-12 21:07:48
● 2026-08-12 21:38:10
○ 2026-08-12 23:59:46
● 2026-08-13 01:10:10
○ 2026-08-14 00:33:06
● 2026-08-14 04:15:10
○ 2026-08-14 06:30:38
● 2026-08-14 15:33:58
○ 2026-08-15 06:24:34
● 2026-08-15 08:35:14
○ 2026-08-15 09:47:20
● 2026-08-15 12:06:02
○ 2026-08-15 18:46:44
● 2026-08-15 19:50:14
○ 2026-08-16 03:34:50
● 2026-08-16 04:07:22
○ 2026-08-16 04:39:38
● 2026-08-16 05:49:52
○ 2026-08-16 22:10:24
● 2026-08-16 23:40:58
● 2026-08-16 23:42:34

●A108.138.103.32026-08-07 → 2026-08-16 · 44 obs

●A108.138.103.572026-08-07 → 2026-08-16 · 44 obs

●A108.138.103.992026-08-07 → 2026-08-16 · 44 obs

○A13.226.238.1152026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-14 15:33:58
● 2026-08-15 06:24:34
○ 2026-08-15 08:35:14
○ 2026-08-16 23:42:34

○A13.226.238.402026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-14 15:33:58
● 2026-08-15 06:24:34
○ 2026-08-15 08:35:14
○ 2026-08-16 23:42:34

○A13.226.238.762026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-14 15:33:58
● 2026-08-15 06:24:34
○ 2026-08-15 08:35:14
○ 2026-08-16 23:42:34

○A13.226.238.982026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-14 15:33:58
● 2026-08-15 06:24:34
○ 2026-08-15 08:35:14
○ 2026-08-16 23:42:34

○A13.33.235.1262026-08-07 → 2026-08-11 · 8 obs

○ 2026-08-07 00:18:00
● 2026-08-07 12:43:36
○ 2026-08-07 15:25:14
● 2026-08-08 03:26:26
○ 2026-08-08 04:39:44
● 2026-08-11 19:45:12
○ 2026-08-12 00:50:18
○ 2026-08-16 23:42:34

○A13.33.235.662026-08-07 → 2026-08-11 · 8 obs

○ 2026-08-07 00:18:00
● 2026-08-07 12:43:36
○ 2026-08-07 15:25:14
● 2026-08-08 03:26:26
○ 2026-08-08 04:39:44
● 2026-08-11 19:45:12
○ 2026-08-12 00:50:18
○ 2026-08-16 23:42:34

○A13.33.235.752026-08-07 → 2026-08-11 · 8 obs

○ 2026-08-07 00:18:00
● 2026-08-07 12:43:36
○ 2026-08-07 15:25:14
● 2026-08-08 03:26:26
○ 2026-08-08 04:39:44
● 2026-08-11 19:45:12
○ 2026-08-12 00:50:18
○ 2026-08-16 23:42:34

○A13.33.235.882026-08-07 → 2026-08-11 · 8 obs

○ 2026-08-07 00:18:00
● 2026-08-07 12:43:36
○ 2026-08-07 15:25:14
● 2026-08-08 03:26:26
○ 2026-08-08 04:39:44
● 2026-08-11 19:45:12
○ 2026-08-12 00:50:18
○ 2026-08-16 23:42:34

○A18.160.18.1022026-08-07 → 2026-08-16 · 20 obs

○ 2026-08-07 12:43:36
● 2026-08-07 15:25:14
○ 2026-08-07 16:01:28
● 2026-08-08 08:56:58
○ 2026-08-08 09:31:06
● 2026-08-09 17:48:14
○ 2026-08-09 19:10:38
● 2026-08-11 16:43:04
○ 2026-08-11 18:36:38
● 2026-08-12 14:45:20
○ 2026-08-12 15:40:16
● 2026-08-12 21:07:48
○ 2026-08-12 21:38:10
● 2026-08-12 23:59:46
○ 2026-08-13 01:10:10
● 2026-08-15 18:46:44
○ 2026-08-15 19:50:14
● 2026-08-16 22:10:24
○ 2026-08-16 23:40:58
○ 2026-08-16 23:42:34

○A18.160.18.112026-08-07 → 2026-08-16 · 20 obs

○A18.160.18.1192026-08-07 → 2026-08-16 · 20 obs

○A18.160.18.1262026-08-07 → 2026-08-16 · 20 obs

○A18.165.122.1182026-08-09 → 2026-08-09 · 4 obs

○ 2026-08-08 23:02:18
● 2026-08-09 00:31:34
○ 2026-08-09 02:37:52
○ 2026-08-16 23:42:34

○A18.165.122.562026-08-09 → 2026-08-09 · 4 obs

○ 2026-08-08 23:02:18
● 2026-08-09 00:31:34
○ 2026-08-09 02:37:52
○ 2026-08-16 23:42:34

○A18.165.122.752026-08-09 → 2026-08-09 · 4 obs

○ 2026-08-08 23:02:18
● 2026-08-09 00:31:34
○ 2026-08-09 02:37:52
○ 2026-08-16 23:42:34

○A18.165.122.942026-08-09 → 2026-08-09 · 4 obs

○ 2026-08-08 23:02:18
● 2026-08-09 00:31:34
○ 2026-08-09 02:37:52
○ 2026-08-16 23:42:34

○A3.167.99.172026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-15 09:47:20
● 2026-08-15 10:51:36
○ 2026-08-15 12:06:02
○ 2026-08-16 23:42:34

○A3.167.99.192026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-15 09:47:20
● 2026-08-15 10:51:36
○ 2026-08-15 12:06:02
○ 2026-08-16 23:42:34

○A3.167.99.282026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-15 09:47:20
● 2026-08-15 10:51:36
○ 2026-08-15 12:06:02
○ 2026-08-16 23:42:34

○A3.167.99.82026-08-15 → 2026-08-15 · 4 obs

○ 2026-08-15 09:47:20
● 2026-08-15 10:51:36
○ 2026-08-15 12:06:02
○ 2026-08-16 23:42:34

○A3.171.38.1062026-08-14 → 2026-08-15 · 6 obs

○ 2026-08-14 04:15:10
● 2026-08-14 06:30:38
○ 2026-08-14 15:33:58
● 2026-08-15 09:47:20
○ 2026-08-15 10:51:36
○ 2026-08-16 23:42:34

○A3.171.38.612026-08-14 → 2026-08-15 · 6 obs

○ 2026-08-14 04:15:10
● 2026-08-14 06:30:38
○ 2026-08-14 15:33:58
● 2026-08-15 09:47:20
○ 2026-08-15 10:51:36
○ 2026-08-16 23:42:34

○A3.171.38.92026-08-14 → 2026-08-15 · 6 obs

○ 2026-08-14 04:15:10
● 2026-08-14 06:30:38
○ 2026-08-14 15:33:58
● 2026-08-15 09:47:20
○ 2026-08-15 10:51:36
○ 2026-08-16 23:42:34

○A3.171.38.972026-08-14 → 2026-08-15 · 6 obs

○ 2026-08-14 04:15:10
● 2026-08-14 06:30:38
○ 2026-08-14 15:33:58
● 2026-08-15 09:47:20
○ 2026-08-15 10:51:36
○ 2026-08-16 23:42:34

○A99.84.41.1012026-08-08 → 2026-08-16 · 14 obs

○ 2026-08-08 09:31:06
● 2026-08-08 17:59:36
○ 2026-08-08 23:02:18
● 2026-08-10 12:28:22
○ 2026-08-10 13:21:32
● 2026-08-10 23:10:56
○ 2026-08-11 05:29:40
● 2026-08-14 00:33:06
○ 2026-08-14 04:15:10
● 2026-08-16 03:34:50
○ 2026-08-16 04:07:22
● 2026-08-16 04:39:38
○ 2026-08-16 05:49:52
○ 2026-08-16 23:42:34

○A99.84.41.152026-08-08 → 2026-08-16 · 14 obs

○A99.84.41.362026-08-08 → 2026-08-16 · 14 obs

○A99.84.41.722026-08-08 → 2026-08-16 · 14 obs

○CNAMEcluster23.instructure.com2017-08-24 → 2017-08-24 · 3 obs

● 2017-08-24 02:31:16
○ 2026-08-07 00:18:00
○ 2026-08-16 23:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
instructure.com	ns-2.awsdns-00.com, ns-996.awsdns-60.net, ns-1799.awsdns-32.co.uk, ns-1354.awsdns-41.org	-

✅ 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: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.18.102, 18.160.18.11...`

Analysis

IP Addresses

stmarksschool.instructure.com resolves to four IP addresses: 108.138.103.3, 108.138.103.57, 108.138.103.99 and 108.138.103.107.

Among the host names that share IP numbers with stmarksschool.instructure.com are dufdkq71y12x3.amplifyapp.com, mtu.instructure.com, d3n2jv1uyptiwh.cloudfront.net and two others.