instructure.top - dns.ninja

instructure.top

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3314🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:da79🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.20Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.121🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemerson.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A2803:f800:50::6ca2:c360🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemerson.ns.cloudflare.com
A2a06:98c1:50::ac40:2360🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemerson.ns.cloudflare.com
A108.162.195.96🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A162.159.44.96Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
A172.64.35.96🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerson.ns.cloudflare.com
NSmelissa.ns.cloudflare.com
A2606:4700:50::adf5:3ac7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelissa.ns.cloudflare.com
A2803:f800:50::6ca2:c0c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelissa.ns.cloudflare.com
A2a06:98c1:50::ac40:20c7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelissa.ns.cloudflare.com
A108.162.192.199🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelissa.ns.cloudflare.com
A172.64.32.199🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelissa.ns.cloudflare.com
A173.245.58.199🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelissa.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.20, 172.67.218.121
IPv6 hints2606:4700:3033::6815:3314, 2606:4700:3036::ac43:da79
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=84, name=cloudflare-ech.com
SOAemerson.ns.cloudflare.comdns@cloudflare.com serial=2405283029

top

DNSSEC🔒 Signed (DS record present)
NSa.zdnscloud.com ⭐
NSa.zdnscloud.cn
NSb.zdnscloud.cn
NSc.zdnscloud.com
NSd.zdnscloud.com
NSe.zdnscloud.cn
NSf.zdnscloud.cn
NSi.zdnscloud.cn
NSj.zdnscloud.com
TXT2026-06-16_01:10:02
SOAa.zdnscloud.comtd_dns_gtld@knet.cn serial=1396138451

Same first word

instructure.com
instructure.de
instructure.nl
instructure.onl
instructure.com.au
instructure.net
instructure.cm
instructure.org
instructure.site
instructure.store
instructure.education
instructure.github.io
instructure.workers.dev
instructure.design
instructure.cn
instructure.ca
instructure.co
instructure.top

Similar names

instructrue.com
intruscture.com
instructuer.com
instrutcure.com
instructeur.nl
intsructure.com
insrtucture.com
instructeur.com
insturcutre.com
insturcture.com
instructeur.be
instrucutre.com
instrcuture.com
isntructure.com

DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NSemerson.ns.cloudflare.commelissa.ns.cloudflare.comalgin.ns.cloudflare.comsima.ns.cloudflare.comA104.21.51.20172.67.218.1212606:4700:3033::6815:33142606:4700:3036::ac43:da79104.18.42.75104.18.43.752400:cb00:2048:1::6812:2a4b2400:cb00:2048:1::6812:2b4b
○NSalgin.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
●NSemerson.ns.cloudflare.com2026-04-25 → 2026-06-15 · 3 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-15 17:24:52
●NSmelissa.ns.cloudflare.com2026-04-25 → 2026-06-15 · 3 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-15 17:24:52
○NSsima.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
○A104.18.42.752017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
○A104.18.43.752017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
●A104.21.51.202026-04-25 → 2026-06-15 · 5 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-14 14:23:56
○ 2026-06-15 06:01:26
● 2026-06-15 17:24:52
●A172.67.218.1212026-04-25 → 2026-06-15 · 5 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-14 14:23:56
○ 2026-06-15 06:01:26
● 2026-06-15 17:24:52
○A2400:cb00:2048:1::6812:2a4b2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
○A2400:cb00:2048:1::6812:2b4b2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-06-15 17:24:52
●A2606:4700:3033::6815:33142026-04-25 → 2026-06-15 · 5 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-14 14:23:56
○ 2026-06-15 06:01:26
● 2026-06-15 17:24:52
●A2606:4700:3036::ac43:da792026-04-25 → 2026-06-15 · 5 obs
○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-06-14 14:23:56
○ 2026-06-15 06:01:26
● 2026-06-15 17:24:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
tope.zdnscloud.cn, c.zdnscloud.com, f.zdnscloud.cn, a.zdnscloud.cn...-
instructure.topemerson.ns.cloudflare.com, melissa.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.199

NS records: emerson.ns.cloudflare.com, melissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructure.top (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.20, 172.67.218.121
AAAA22606:4700:3036::ac43:da79, 2606:4700:3033::6815:3314
NS2emerson.ns.cloudflare.com, melissa.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emerson.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

instructure.top points to the four IP addresses 104.21.51.20, 172.67.218.121, 2606:4700:3033::6815:3314 and 2606:4700:3036::ac43:da79.

techintegrations.net, thetechpanda.com, breatheilo.com plus two other host names have IP numbers in common with instructure.top.

Name Servers

instructure.top is served by two delegated name servers, emerson.ns.cloudflare.com and melissa.ns.cloudflare.com.

The name server configuration of instructure.top is shared with other domains, for instance modernoutdoorlife.com, etec1020.com, turyst.com.ua and two others.

The name servers of instructure.top overlap at least partially with those of other domains — among them aw-ad.com, euclinicalrisk.com, vcontract.top and two more.

The name servers nia.ns.cloudflare.com, colette.ns.cloudflare.com and ara.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

emerson.ns.cloudflare.com carries IP addresses 108.162.195.96, 162.159.44.96 and 172.64.35.96, with 3 other addresses beyond those.

melissa.ns.cloudflare.com carries IP addresses 108.162.192.199, 172.64.32.199 and 173.245.58.199, with 3 other addresses beyond those.