nih.instructure.com - dns.ninja

`nih.instructure.com`

DNSSEC	⚠️ Not signed
A	108.138.85.2^{🇺🇸 Amazon108.138.80.0/21}
		PTR	`server-108-138-85-2.iad12.r.cloudfront.net`
A	108.138.85.10^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.116^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.123^{🇺🇸 Amazon108.138.80.0/21}

`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 #1490 globally
rank #797 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #2,143

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DNS History

30 records (4 active, 26 former)

●A108.138.85.102026-08-04 → 2026-08-12 · 8 obs

○ 2026-08-01 14:28:18
● 2026-08-04 23:43:20
○ 2026-08-05 08:48:52
● 2026-08-06 15:18:06
○ 2026-08-06 23:56:12
● 2026-08-11 09:14:10
○ 2026-08-11 21:41:52
● 2026-08-12 01:28:12

●A108.138.85.1162026-08-04 → 2026-08-12 · 8 obs

○ 2026-08-01 14:28:18
● 2026-08-04 23:43:20
○ 2026-08-05 08:48:52
● 2026-08-06 15:18:06
○ 2026-08-06 23:56:12
● 2026-08-11 09:14:10
○ 2026-08-11 21:41:52
● 2026-08-12 01:28:12

●A108.138.85.1232026-08-04 → 2026-08-12 · 8 obs

○ 2026-08-01 14:28:18
● 2026-08-04 23:43:20
○ 2026-08-05 08:48:52
● 2026-08-06 15:18:06
○ 2026-08-06 23:56:12
● 2026-08-11 09:14:10
○ 2026-08-11 21:41:52
● 2026-08-12 01:28:12

●A108.138.85.22026-08-04 → 2026-08-12 · 8 obs

○ 2026-08-01 14:28:18
● 2026-08-04 23:43:20
○ 2026-08-05 08:48:52
● 2026-08-06 15:18:06
○ 2026-08-06 23:56:12
● 2026-08-11 09:14:10
○ 2026-08-11 21:41:52
● 2026-08-12 01:28:12

○A13.33.131.1042026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-21 12:02:48
● 2026-07-26 14:50:42
○ 2026-07-27 12:31:06
● 2026-07-28 02:02:08
○ 2026-07-28 05:08:50
○ 2026-08-12 01:28:12

○A13.33.131.622026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-21 12:02:48
● 2026-07-26 14:50:42
○ 2026-07-27 12:31:06
● 2026-07-28 02:02:08
○ 2026-07-28 05:08:50
○ 2026-08-12 01:28:12

○A13.33.131.662026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-21 12:02:48
● 2026-07-26 14:50:42
○ 2026-07-27 12:31:06
● 2026-07-28 02:02:08
○ 2026-07-28 05:08:50
○ 2026-08-12 01:28:12

○A13.33.131.972026-07-26 → 2026-07-28 · 6 obs

○ 2026-07-21 12:02:48
● 2026-07-26 14:50:42
○ 2026-07-27 12:31:06
● 2026-07-28 02:02:08
○ 2026-07-28 05:08:50
○ 2026-08-12 01:28:12

○A13.33.235.1192026-07-14 → 2026-08-05 · 8 obs

○ 2026-07-14 12:51:30
● 2026-07-14 15:57:22
○ 2026-07-14 18:58:32
● 2026-07-15 13:58:08
○ 2026-07-15 19:39:04
● 2026-08-05 17:32:50
○ 2026-08-05 19:45:40
○ 2026-08-12 01:28:12

○A13.33.235.432026-07-14 → 2026-08-05 · 8 obs

○ 2026-07-14 12:51:30
● 2026-07-14 15:57:22
○ 2026-07-14 18:58:32
● 2026-07-15 13:58:08
○ 2026-07-15 19:39:04
● 2026-08-05 17:32:50
○ 2026-08-05 19:45:40
○ 2026-08-12 01:28:12

○A13.33.235.512026-07-14 → 2026-08-05 · 8 obs

○ 2026-07-14 12:51:30
● 2026-07-14 15:57:22
○ 2026-07-14 18:58:32
● 2026-07-15 13:58:08
○ 2026-07-15 19:39:04
● 2026-08-05 17:32:50
○ 2026-08-05 19:45:40
○ 2026-08-12 01:28:12

○A13.33.235.612026-07-14 → 2026-08-05 · 8 obs

○ 2026-07-14 12:51:30
● 2026-07-14 15:57:22
○ 2026-07-14 18:58:32
● 2026-07-15 13:58:08
○ 2026-07-15 19:39:04
● 2026-08-05 17:32:50
○ 2026-08-05 19:45:40
○ 2026-08-12 01:28:12

○A18.154.132.152026-07-09 → 2026-08-10 · 14 obs

○ 2026-07-08 00:21:46
● 2026-07-09 17:46:54
○ 2026-07-09 21:15:54
● 2026-07-10 15:44:36
○ 2026-07-10 17:14:38
● 2026-07-20 07:27:48
○ 2026-07-21 12:02:48
● 2026-07-30 13:10:46
○ 2026-07-30 21:49:48
● 2026-08-01 00:27:02
○ 2026-08-01 14:28:18
● 2026-08-10 08:19:16
○ 2026-08-10 11:38:48
○ 2026-08-12 01:28:12

○A18.154.132.52026-07-09 → 2026-08-10 · 14 obs

○A18.154.132.702026-07-09 → 2026-08-10 · 14 obs

○A18.154.132.852026-07-09 → 2026-08-10 · 14 obs

○A18.238.4.122026-07-14 → 2026-07-27 · 10 obs

○ 2026-07-10 17:14:38
● 2026-07-14 12:51:30
○ 2026-07-14 15:57:22
● 2026-07-14 18:58:32
○ 2026-07-14 19:59:32
● 2026-07-15 11:01:48
○ 2026-07-15 13:58:08
● 2026-07-27 12:31:06
○ 2026-07-28 02:02:08
○ 2026-08-12 01:28:12

○A18.238.4.232026-07-14 → 2026-07-27 · 10 obs

○A18.238.4.72026-07-14 → 2026-07-27 · 10 obs

○A18.238.4.942026-07-14 → 2026-07-27 · 10 obs

○A3.163.10.1092026-07-08 → 2026-08-11 · 28 obs

● 2026-07-08 00:21:46
○ 2026-07-09 17:46:54
● 2026-07-09 21:15:54
○ 2026-07-10 15:44:36
● 2026-07-10 17:14:38
○ 2026-07-14 12:51:30
● 2026-07-14 19:59:32
○ 2026-07-15 11:01:48
● 2026-07-15 19:39:04
○ 2026-07-20 07:27:48
● 2026-07-21 12:02:48
○ 2026-07-26 14:50:42
● 2026-07-28 05:08:50
○ 2026-07-28 13:35:36
● 2026-07-30 21:49:48
○ 2026-08-01 00:27:02
● 2026-08-01 14:28:18
○ 2026-08-04 23:43:20
● 2026-08-05 08:48:52
○ 2026-08-05 17:32:50
● 2026-08-05 19:45:40
○ 2026-08-06 15:18:06
● 2026-08-06 23:56:12
○ 2026-08-10 08:19:16
● 2026-08-10 11:38:48
○ 2026-08-11 09:14:10
● 2026-08-11 21:41:52
○ 2026-08-12 01:28:12

○A3.163.10.1282026-07-08 → 2026-08-11 · 28 obs

○A3.163.10.252026-07-08 → 2026-08-11 · 28 obs

○A3.163.10.732026-07-08 → 2026-08-11 · 28 obs

○A99.84.132.1022026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 05:08:50
● 2026-07-28 13:35:36
○ 2026-07-30 13:10:46
○ 2026-08-12 01:28:12

○A99.84.132.172026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 05:08:50
● 2026-07-28 13:35:36
○ 2026-07-30 13:10:46
○ 2026-08-12 01:28:12

○A99.84.132.932026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 05:08:50
● 2026-07-28 13:35:36
○ 2026-07-30 13:10:46
○ 2026-08-12 01:28:12

○A99.84.132.952026-07-28 → 2026-07-28 · 4 obs

○ 2026-07-28 05:08:50
● 2026-07-28 13:35:36
○ 2026-07-30 13:10:46
○ 2026-08-12 01:28:12

○CNAMEcluster58.instructure.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 20:28:04
○ 2026-07-08 00:21:46
○ 2026-08-12 01:28:12

○CNAMEcluster93.instructure.com2026-07-08 → 2026-08-12 · 2 obs

○ 2026-07-08 00:21:46
○ 2026-08-12 01:28:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, a.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: 416ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.116, 108.138.85.10...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

nih.instructure.com has four IP addresses: 108.138.85.2, 108.138.85.10, 108.138.85.116 and 108.138.85.123.

Among the host names that share IP numbers with nih.instructure.com are onsha.hatenablog.com, nuruta.hatenablog.com, rachmanist.hatenablog.com and two others.