`alfacentauri.instructure.com`

DNSSEC	⚠️ Not signed
A	18.239.168.33^{🇺🇸 Amazon18.239.168.0/23}
		PTR	`server-18-239-168-33.bos50.r.cloudfront.net`
A	18.239.168.52^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.64^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.101^{🇺🇸 Amazon18.239.168.0/23}

`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=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	`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 #1312 globally
rank #712 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #878

Same first word

alfacentauri.sch.id

alfacentauri.sk

alfacentauri.com.ng

alfacentauri.io

alfacentauri.com.ar

DNS History

32 records (4 active, 28 former)

○A108.139.113.1132026-04-11 → 2026-04-20 · 18 obs

○ 2026-04-10 17:15:48
● 2026-04-11 11:08:12
● 2026-04-11 14:39:20
○ 2026-04-11 19:24:12
○ 2026-04-12 21:29:16
● 2026-04-13 13:40:20
○ 2026-04-13 15:50:30
○ 2026-04-14 00:39:42
● 2026-04-14 01:59:02
○ 2026-04-14 05:33:36
○ 2026-04-14 13:47:58
● 2026-04-15 00:00:00
● 2026-04-15 06:35:58
○ 2026-04-15 12:19:58
○ 2026-04-20 00:26:28
● 2026-04-20 06:09:24
○ 2026-04-20 09:32:24
○ 2026-04-24 00:17:18

○A108.139.113.232026-04-11 → 2026-04-20 · 18 obs

○A108.139.113.512026-04-11 → 2026-04-20 · 18 obs

○A108.139.113.592026-04-11 → 2026-04-20 · 18 obs

○A13.225.107.1172026-03-30 → 2026-04-20 · 33 obs

○ 2026-03-29 22:54:42
● 2026-03-30 09:00:54
● 2026-04-01 14:56:06
○ 2026-04-01 15:41:00
○ 2026-04-06 05:54:40
● 2026-04-06 09:42:40
○ 2026-04-06 11:29:40
○ 2026-04-07 01:25:06
● 2026-04-07 09:52:36
● 2026-04-08 00:15:16
○ 2026-04-08 01:54:20
○ 2026-04-11 19:24:12
● 2026-04-12 00:12:10
○ 2026-04-12 04:23:32
● 2026-04-12 06:48:08
● 2026-04-12 21:29:16
○ 2026-04-13 13:40:20
○ 2026-04-14 01:59:02
● 2026-04-14 05:33:36
● 2026-04-14 10:23:56
○ 2026-04-14 13:47:58
○ 2026-04-15 12:19:58
● 2026-04-15 17:51:24
● 2026-04-16 00:15:40
○ 2026-04-17 00:39:42
○ 2026-04-17 08:16:16
● 2026-04-17 12:11:50
○ 2026-04-17 16:48:38
○ 2026-04-20 06:09:24
● 2026-04-20 09:32:24
● 2026-04-20 10:17:58
○ 2026-04-20 12:04:22
○ 2026-04-24 00:17:18

○A13.225.107.452026-03-30 → 2026-04-20 · 33 obs

○A13.225.107.542026-03-30 → 2026-04-20 · 33 obs

○A13.225.107.912026-03-30 → 2026-04-20 · 33 obs

○A13.226.209.22026-04-19 → 2026-04-20 · 5 obs

○ 2026-04-19 09:48:18
● 2026-04-19 21:31:12
● 2026-04-20 00:26:28
○ 2026-04-20 06:09:24
○ 2026-04-24 00:17:18

○A13.226.209.262026-04-19 → 2026-04-20 · 5 obs

○ 2026-04-19 09:48:18
● 2026-04-19 21:31:12
● 2026-04-20 00:26:28
○ 2026-04-20 06:09:24
○ 2026-04-24 00:17:18

○A13.226.209.922026-04-19 → 2026-04-20 · 5 obs

○ 2026-04-19 09:48:18
● 2026-04-19 21:31:12
● 2026-04-20 00:26:28
○ 2026-04-20 06:09:24
○ 2026-04-24 00:17:18

○A13.226.209.992026-04-19 → 2026-04-20 · 5 obs

○ 2026-04-19 09:48:18
● 2026-04-19 21:31:12
● 2026-04-20 00:26:28
○ 2026-04-20 06:09:24
○ 2026-04-24 00:17:18

○A18.173.132.222026-03-29 → 2026-03-29 · 4 obs

● 2026-03-29 21:03:18
● 2026-03-29 22:54:42
○ 2026-03-30 09:00:54
○ 2026-04-24 00:17:18

○A18.173.132.42026-03-29 → 2026-03-29 · 4 obs

● 2026-03-29 21:03:18
● 2026-03-29 22:54:42
○ 2026-03-30 09:00:54
○ 2026-04-24 00:17:18

○A18.173.132.662026-03-29 → 2026-03-29 · 4 obs

● 2026-03-29 21:03:18
● 2026-03-29 22:54:42
○ 2026-03-30 09:00:54
○ 2026-04-24 00:17:18

○A18.173.132.992026-03-29 → 2026-03-29 · 4 obs

● 2026-03-29 21:03:18
● 2026-03-29 22:54:42
○ 2026-03-30 09:00:54
○ 2026-04-24 00:17:18

●A18.239.168.1012026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-23 05:55:18
● 2026-04-23 21:09:38
● 2026-04-24 00:17:18

●A18.239.168.332026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-23 05:55:18
● 2026-04-23 21:09:38
● 2026-04-24 00:17:18

●A18.239.168.522026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-23 05:55:18
● 2026-04-23 21:09:38
● 2026-04-24 00:17:18

●A18.239.168.642026-04-23 → 2026-04-24 · 3 obs

○ 2026-04-23 05:55:18
● 2026-04-23 21:09:38
● 2026-04-24 00:17:18

○A18.245.218.1162026-04-01 → 2026-04-22 · 50 obs

○ 2026-04-01 14:56:06
● 2026-04-01 15:41:00
● 2026-04-02 03:57:14
○ 2026-04-02 10:15:06
● 2026-04-02 11:59:04
○ 2026-04-02 14:07:24
● 2026-04-03 02:02:10
○ 2026-04-03 04:13:40
● 2026-04-03 09:26:58
○ 2026-04-04 02:07:12
● 2026-04-04 08:14:42
○ 2026-04-04 20:39:16
● 2026-04-05 03:47:40
○ 2026-04-05 15:07:26
● 2026-04-06 01:05:08
○ 2026-04-06 05:54:40
○ 2026-04-06 09:42:40
● 2026-04-06 11:29:40
○ 2026-04-07 01:25:06
○ 2026-04-08 00:15:16
● 2026-04-08 01:54:20
● 2026-04-10 17:15:48
○ 2026-04-11 11:08:12
○ 2026-04-11 14:39:20
● 2026-04-11 19:24:12
○ 2026-04-12 00:12:10
● 2026-04-12 04:23:32
○ 2026-04-12 06:48:08
○ 2026-04-13 13:40:20
● 2026-04-13 15:50:30
● 2026-04-14 00:39:42
○ 2026-04-14 01:59:02
○ 2026-04-14 10:23:56
● 2026-04-14 13:47:58
○ 2026-04-15 00:00:00
○ 2026-04-15 06:35:58
● 2026-04-15 12:19:58
○ 2026-04-15 17:51:24
○ 2026-04-16 00:15:40
● 2026-04-17 00:39:42
● 2026-04-17 08:16:16
○ 2026-04-17 12:11:50
● 2026-04-17 16:48:38
● 2026-04-19 09:48:18
○ 2026-04-19 21:31:12
○ 2026-04-20 10:17:58
● 2026-04-20 12:04:22
● 2026-04-22 06:36:30
○ 2026-04-23 03:10:42
○ 2026-04-24 00:17:18

○A18.245.218.372026-04-01 → 2026-04-22 · 50 obs

○A18.245.218.52026-04-01 → 2026-04-22 · 50 obs

○A18.245.218.962026-04-01 → 2026-04-22 · 50 obs

○A54.230.201.1062026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-22 06:36:30
● 2026-04-23 03:10:42
● 2026-04-23 05:55:18
○ 2026-04-23 21:09:38
○ 2026-04-24 00:17:18

○A54.230.201.252026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-22 06:36:30
● 2026-04-23 03:10:42
● 2026-04-23 05:55:18
○ 2026-04-23 21:09:38
○ 2026-04-24 00:17:18

○A54.230.201.342026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-22 06:36:30
● 2026-04-23 03:10:42
● 2026-04-23 05:55:18
○ 2026-04-23 21:09:38
○ 2026-04-24 00:17:18

○A54.230.201.442026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-22 06:36:30
● 2026-04-23 03:10:42
● 2026-04-23 05:55:18
○ 2026-04-23 21:09:38
○ 2026-04-24 00:17:18

○A99.84.132.1162026-04-02 → 2026-04-07 · 19 obs

○ 2026-04-02 03:57:14
● 2026-04-02 10:15:06
○ 2026-04-02 11:59:04
● 2026-04-02 14:07:24
○ 2026-04-03 02:02:10
● 2026-04-03 04:13:40
○ 2026-04-03 09:26:58
● 2026-04-04 02:07:12
○ 2026-04-04 08:14:42
● 2026-04-04 20:39:16
○ 2026-04-05 03:47:40
● 2026-04-05 15:07:26
○ 2026-04-06 01:05:08
● 2026-04-06 05:54:40
○ 2026-04-06 09:42:40
○ 2026-04-06 11:29:40
● 2026-04-07 01:25:06
○ 2026-04-07 09:52:36
○ 2026-04-24 00:17:18

○A99.84.132.1222026-04-02 → 2026-04-07 · 19 obs

○A99.84.132.142026-04-02 → 2026-04-07 · 19 obs

○A99.84.132.332026-04-02 → 2026-04-07 · 19 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, d.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: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.239.168.52, 18.239.168.101...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

alfacentauri.instructure.com resolves to four IPs: 18.239.168.33, 18.239.168.52, 18.239.168.64 and 18.239.168.101.

Other host names, for instance creativestudio-miyako.okinawa, d3co18fqraxjpu.cloudfront.net, dr7moymehinl4.cloudfront.net, rappipay.com and michael.awsapps.com share IP numbers with alfacentauri.instructure.com.

alfacentauri.instructure.com - robtex.com