phs.instructure.com - dns.ninja

`phs.instructure.com`

DNSSEC	⚠️ Not signed
A	99.86.12.2
		PTR	`server-99-86-12-2.lhr95.r.cloudfront.net`
A	99.86.12.20
A	99.86.12.88
A	99.86.12.129

`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 #1380 globally
rank #739 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,676

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DNS History

38 records (4 active, 34 former)

○A108.138.103.1072026-06-09 → 2026-06-16 · 35 obs

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

○A108.138.103.32026-06-09 → 2026-06-16 · 35 obs

○A108.138.103.572026-06-09 → 2026-06-16 · 35 obs

○A108.138.103.992026-06-09 → 2026-06-16 · 35 obs

○A13.227.110.22026-06-03 → 2026-06-09 · 7 obs

○ 2026-03-16 15:12:00
● 2026-06-03 09:09:58
○ 2026-06-03 16:26:28
○ 2026-06-08 09:57:24
● 2026-06-09 10:29:42
○ 2026-06-09 23:48:06
○ 2026-06-19 20:37:16

○A13.227.110.272026-06-03 → 2026-06-09 · 7 obs

○ 2026-03-16 15:12:00
● 2026-06-03 09:09:58
○ 2026-06-03 16:26:28
○ 2026-06-08 09:57:24
● 2026-06-09 10:29:42
○ 2026-06-09 23:48:06
○ 2026-06-19 20:37:16

○A13.227.110.432026-06-03 → 2026-06-09 · 7 obs

○ 2026-03-16 15:12:00
● 2026-06-03 09:09:58
○ 2026-06-03 16:26:28
○ 2026-06-08 09:57:24
● 2026-06-09 10:29:42
○ 2026-06-09 23:48:06
○ 2026-06-19 20:37:16

○A13.227.110.772026-06-03 → 2026-06-09 · 7 obs

○ 2026-03-16 15:12:00
● 2026-06-03 09:09:58
○ 2026-06-03 16:26:28
○ 2026-06-08 09:57:24
● 2026-06-09 10:29:42
○ 2026-06-09 23:48:06
○ 2026-06-19 20:37:16

○A18.154.110.1102026-06-03 → 2026-06-05 · 5 obs

○ 2026-06-03 09:09:58
● 2026-06-03 16:26:28
● 2026-06-05 20:42:40
○ 2026-06-08 09:57:24
○ 2026-06-19 20:37:16

○A18.154.110.32026-06-03 → 2026-06-05 · 5 obs

○ 2026-06-03 09:09:58
● 2026-06-03 16:26:28
● 2026-06-05 20:42:40
○ 2026-06-08 09:57:24
○ 2026-06-19 20:37:16

○A18.154.110.492026-06-03 → 2026-06-05 · 5 obs

○ 2026-06-03 09:09:58
● 2026-06-03 16:26:28
● 2026-06-05 20:42:40
○ 2026-06-08 09:57:24
○ 2026-06-19 20:37:16

○A18.154.110.522026-06-03 → 2026-06-05 · 5 obs

○ 2026-06-03 09:09:58
● 2026-06-03 16:26:28
● 2026-06-05 20:42:40
○ 2026-06-08 09:57:24
○ 2026-06-19 20:37:16

○A18.160.18.1022026-06-11 → 2026-06-19 · 15 obs

○ 2026-06-11 07:58:06
● 2026-06-11 09:23:02
○ 2026-06-11 13:14:58
○ 2026-06-15 02:58:52
● 2026-06-15 13:02:36
○ 2026-06-15 13:44:22
● 2026-06-15 14:53:40
○ 2026-06-15 18:26:08
○ 2026-06-16 12:47:50
● 2026-06-16 14:08:18
● 2026-06-16 15:16:14
○ 2026-06-16 16:16:04
● 2026-06-19 06:09:00
○ 2026-06-19 07:28:06
○ 2026-06-19 20:37:16

○A18.160.18.112026-06-11 → 2026-06-19 · 15 obs

○A18.160.18.1192026-06-11 → 2026-06-19 · 15 obs

○A18.160.18.1262026-06-11 → 2026-06-19 · 15 obs

○A18.173.166.1082026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 12:24:56
● 2026-06-17 14:24:46
○ 2026-06-17 16:48:42
○ 2026-06-19 20:37:16

○A18.173.166.1222026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 12:24:56
● 2026-06-17 14:24:46
○ 2026-06-17 16:48:42
○ 2026-06-19 20:37:16

○A18.173.166.242026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 12:24:56
● 2026-06-17 14:24:46
○ 2026-06-17 16:48:42
○ 2026-06-19 20:37:16

○A18.173.166.752026-06-17 → 2026-06-17 · 4 obs

○ 2026-06-17 12:24:56
● 2026-06-17 14:24:46
○ 2026-06-17 16:48:42
○ 2026-06-19 20:37:16

○A3.167.99.172026-06-13 → 2026-06-18 · 7 obs

○ 2026-06-13 12:29:30
● 2026-06-13 13:33:20
○ 2026-06-13 15:57:00
○ 2026-06-18 00:03:24
● 2026-06-18 13:38:42
○ 2026-06-19 03:15:26
○ 2026-06-19 20:37:16

○A3.167.99.192026-06-13 → 2026-06-18 · 7 obs

○ 2026-06-13 12:29:30
● 2026-06-13 13:33:20
○ 2026-06-13 15:57:00
○ 2026-06-18 00:03:24
● 2026-06-18 13:38:42
○ 2026-06-19 03:15:26
○ 2026-06-19 20:37:16

○A3.167.99.282026-06-13 → 2026-06-18 · 7 obs

○ 2026-06-13 12:29:30
● 2026-06-13 13:33:20
○ 2026-06-13 15:57:00
○ 2026-06-18 00:03:24
● 2026-06-18 13:38:42
○ 2026-06-19 03:15:26
○ 2026-06-19 20:37:16

○A3.167.99.82026-06-13 → 2026-06-18 · 7 obs

○ 2026-06-13 12:29:30
● 2026-06-13 13:33:20
○ 2026-06-13 15:57:00
○ 2026-06-18 00:03:24
● 2026-06-18 13:38:42
○ 2026-06-19 03:15:26
○ 2026-06-19 20:37:16

○A52.205.234.2182017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 15:45:06
○ 2026-03-16 15:12:00
○ 2026-06-19 20:37:16

○A52.4.244.762017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 15:45:06
○ 2026-03-16 15:12:00
○ 2026-06-19 20:37:16

○A52.54.162.432017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 15:45:06
○ 2026-03-16 15:12:00
○ 2026-06-19 20:37:16

○A52.85.78.1232026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-16 23:17:38
● 2026-06-17 02:49:14
○ 2026-06-17 04:07:08
○ 2026-06-17 16:48:42
● 2026-06-17 22:06:22
○ 2026-06-18 00:03:24
○ 2026-06-19 20:37:16

○A52.85.78.1262026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-16 23:17:38
● 2026-06-17 02:49:14
○ 2026-06-17 04:07:08
○ 2026-06-17 16:48:42
● 2026-06-17 22:06:22
○ 2026-06-18 00:03:24
○ 2026-06-19 20:37:16

○A52.85.78.342026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-16 23:17:38
● 2026-06-17 02:49:14
○ 2026-06-17 04:07:08
○ 2026-06-17 16:48:42
● 2026-06-17 22:06:22
○ 2026-06-18 00:03:24
○ 2026-06-19 20:37:16

○A52.85.78.722026-06-17 → 2026-06-17 · 7 obs

○ 2026-06-16 23:17:38
● 2026-06-17 02:49:14
○ 2026-06-17 04:07:08
○ 2026-06-17 16:48:42
● 2026-06-17 22:06:22
○ 2026-06-18 00:03:24
○ 2026-06-19 20:37:16

●A99.86.12.1292026-06-08 → 2026-06-19 · 52 obs

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

●A99.86.12.22026-06-08 → 2026-06-19 · 52 obs

●A99.86.12.202026-06-08 → 2026-06-19 · 52 obs

●A99.86.12.882026-06-08 → 2026-06-19 · 52 obs

○CNAMEcluster367.instructure.com2026-03-16 → 2026-03-16 · 4 obs

○ 2017-01-09 15:45:06
● 2026-03-16 15:12:00
○ 2026-06-03 09:09:58
○ 2026-06-19 20:37:16

○CNAMEcluster6-1381903163.us-east-1.elb.amazonaws.com2017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 15:45:06
○ 2026-03-16 15:12:00
○ 2026-06-19 20:37:16

○CNAMEcluster6.instructure.com2017-01-09 → 2017-01-09 · 3 obs

● 2017-01-09 15:45:06
○ 2026-03-16 15:12:00
○ 2026-06-19 20:37:16

🔍 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:205.251.197.74

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: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.18.11, 18.160.18.119...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

phs.instructure.com directs to four IP numbers, which are 99.86.12.2, 99.86.12.20, 99.86.12.88 and 99.86.12.129.

Among the host names that share IP numbers with phs.instructure.com are d3k1zq6ybbfnpp.cloudfront.net, legacy.co.il, d2gmzzbxo0unu9.cloudfront.net and two others.