tvs.instructure.com - dns.ninja

`tvs.instructure.com`

DNSSEC	⚠️ Not signed
A	18.160.18.11^{🇺🇸 Amazon18.160.16.0/21}
		PTR	`server-18-160-18-11.iad12.r.cloudfront.net`
A	18.160.18.102^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.119^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.126^{🇺🇸 Amazon18.160.16.0/21}

`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	`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 #1378 globally
rank #739 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #1,582

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svt.nu

DNS History

56 records (4 active, 52 former)

○A108.138.103.1072026-06-10 → 2026-06-10 · 5 obs

○ 2026-06-10 04:35:38
● 2026-06-10 07:06:46
● 2026-06-10 13:51:00
○ 2026-06-13 15:57:00
○ 2026-06-19 17:18:30

○A108.138.103.32026-06-10 → 2026-06-10 · 5 obs

○ 2026-06-10 04:35:38
● 2026-06-10 07:06:46
● 2026-06-10 13:51:00
○ 2026-06-13 15:57:00
○ 2026-06-19 17:18:30

○A108.138.103.572026-06-10 → 2026-06-10 · 5 obs

○ 2026-06-10 04:35:38
● 2026-06-10 07:06:46
● 2026-06-10 13:51:00
○ 2026-06-13 15:57:00
○ 2026-06-19 17:18:30

○A108.138.103.992026-06-10 → 2026-06-10 · 5 obs

○ 2026-06-10 04:35:38
● 2026-06-10 07:06:46
● 2026-06-10 13:51:00
○ 2026-06-13 15:57:00
○ 2026-06-19 17:18:30

○A108.139.134.102026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 15:38:32
● 2026-06-08 01:21:02
○ 2026-06-08 01:58:46
○ 2026-06-19 17:18:30

○A108.139.134.1202026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 15:38:32
● 2026-06-08 01:21:02
○ 2026-06-08 01:58:46
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○A108.139.134.1222026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 15:38:32
● 2026-06-08 01:21:02
○ 2026-06-08 01:58:46
○ 2026-06-19 17:18:30

○A108.139.134.782026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-07 15:38:32
● 2026-06-08 01:21:02
○ 2026-06-08 01:58:46
○ 2026-06-19 17:18:30

○A108.158.186.1162026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 15:44:44
● 2026-05-28 19:29:50
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○ 2026-06-19 17:18:30

○A108.158.186.22026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 15:44:44
● 2026-05-28 19:29:50
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○ 2026-06-19 17:18:30

○A108.158.186.342026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 15:44:44
● 2026-05-28 19:29:50
○ 2026-05-28 20:04:34
○ 2026-06-19 17:18:30

○A108.158.186.992026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 15:44:44
● 2026-05-28 19:29:50
○ 2026-05-28 20:04:34
○ 2026-06-19 17:18:30

○A13.227.110.22026-05-02 → 2026-06-08 · 153 obs

○ 2017-01-05 09:19:20
● 2026-05-02 12:31:50
● 2026-05-02 13:36:10
○ 2026-05-02 14:39:12
○ 2026-05-03 02:23:18
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○ 2026-06-08 21:54:04
○ 2026-06-19 17:18:30

○A13.227.110.272026-05-02 → 2026-06-08 · 153 obs

○A13.227.110.432026-05-02 → 2026-06-08 · 153 obs

○A13.227.110.772026-05-02 → 2026-06-08 · 153 obs

○A13.33.109.1172026-05-03 → 2026-05-09 · 13 obs

○ 2026-05-02 18:16:32
● 2026-05-03 00:25:30
○ 2026-05-03 02:23:18
○ 2026-05-03 23:33:28
● 2026-05-04 00:40:00
○ 2026-05-04 03:49:18
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● 2026-05-06 00:26:24
○ 2026-05-07 03:38:02
○ 2026-05-09 09:37:32
● 2026-05-09 11:22:52
○ 2026-05-09 15:46:36
○ 2026-06-19 17:18:30

○A13.33.109.442026-05-03 → 2026-05-09 · 13 obs

○A13.33.109.942026-05-03 → 2026-05-09 · 13 obs

○A13.33.109.972026-05-03 → 2026-05-09 · 13 obs

○A18.154.110.1102026-05-19 → 2026-06-08 · 136 obs

○ 2026-05-15 05:40:56
● 2026-05-19 10:46:46
● 2026-05-20 08:28:28
○ 2026-05-21 05:05:12
● 2026-05-21 05:54:20
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○ 2026-05-22 18:07:56
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● 2026-05-23 13:39:06
● 2026-05-26 08:41:54
○ 2026-05-26 10:19:56
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● 2026-05-27 08:54:30
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○ 2026-05-28 05:38:36
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○A18.154.110.32026-05-19 → 2026-06-08 · 136 obs

○A18.154.110.492026-05-19 → 2026-06-08 · 136 obs

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●A18.160.18.1022026-05-23 → 2026-06-19 · 10 obs

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●A18.160.18.112026-05-23 → 2026-06-19 · 10 obs

●A18.160.18.1192026-05-23 → 2026-06-19 · 10 obs

●A18.160.18.1262026-05-23 → 2026-06-19 · 10 obs

○A18.239.168.112026-05-08 → 2026-05-08 · 4 obs

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○A18.239.168.1252026-05-08 → 2026-05-08 · 4 obs

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○A18.64.155.1012026-05-21 → 2026-05-21 · 4 obs

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○A18.64.155.322026-05-21 → 2026-05-21 · 4 obs

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○A18.64.155.352026-05-21 → 2026-05-21 · 4 obs

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○A52.86.66.2402017-01-05 → 2017-01-05 · 3 obs

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○A99.86.12.1292026-05-02 → 2026-06-19 · 45 obs

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○A99.86.12.22026-05-02 → 2026-06-19 · 45 obs

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○CNAMEcluster24-717855907.us-east-1.elb.amazonaws.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 09:19:20
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○CNAMEcluster24.instructure.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 09:19:20
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🔍 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: 543ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.18.126, 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

tvs.instructure.com points to the four IP addresses 18.160.18.11, 18.160.18.102, 18.160.18.119 and 18.160.18.126.

on-board.io, mn-tz.ltd, d3ujdrk38j51q4.cloudfront.net and two other host names share IP numbers with tvs.instructure.com.