instructure.top - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`instructure.top`

DNSSEC	⚠️ Not signed
NS	`emerson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c360^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2360^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerson.ns.cloudflare.com`
		A	108.162.195.96^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	162.159.44.96^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	172.64.35.96^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
NS	`melissa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
SOA	`emerson.ns.cloudflare.com`dns@cloudflare.com serial=2410692008

`top`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.zdnscloud.com` ⭐
	NS	`a.zdnscloud.cn`
	NS	`b.zdnscloud.cn`
	NS	`c.zdnscloud.com`
	NS	`d.zdnscloud.com`
	NS	`e.zdnscloud.cn`
	NS	`f.zdnscloud.cn`
	NS	`i.zdnscloud.cn`
	NS	`j.zdnscloud.com`
	TXT	`2026-08-16_09:20:01`
	SOA	`a.zdnscloud.com`td_dns_gtld@knet.cn serial=1396775779

⚠️ On DNS blocklist: spam-tlds

Same first word

Similar names

DNS History

12 records (2 active, 10 former)

○NSalgin.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-08-16 02:18:50

●NSemerson.ns.cloudflare.com2026-04-25 → 2026-08-16 · 3 obs

○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-08-16 02:18:50

●NSmelissa.ns.cloudflare.com2026-04-25 → 2026-08-16 · 3 obs

○ 2017-03-16 16:46:46
● 2026-04-25 11:00:48
● 2026-08-16 02:18:50

○NSsima.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-08-16 02:18:50

○A104.18.42.752017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-08-16 02:18:50

○A104.18.43.752017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 16:46:46
○ 2026-04-25 11:00:48
○ 2026-08-16 02:18:50

○A104.21.51.202026-04-25 → 2026-06-15 · 7 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
○ 2026-07-16 15:51:26
○ 2026-08-16 02:18:50

○A172.67.218.1212026-04-25 → 2026-06-15 · 7 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
○ 2026-07-16 15:51:26
○ 2026-08-16 02:18:50

○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
○ 2026-08-16 02:18:50

○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
○ 2026-08-16 02:18:50

○A2606:4700:3033::6815:33142026-04-25 → 2026-06-15 · 7 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
○ 2026-07-16 15:51:26
○ 2026-08-16 02:18:50

○A2606:4700:3036::ac43:da792026-04-25 → 2026-06-15 · 7 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
○ 2026-07-16 15:51:26
○ 2026-08-16 02:18:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
top	a.zdnscloud.cn, c.zdnscloud.com, b.zdnscloud.cn, d.zdnscloud.com...	9 records
instructure.top	emerson.ns.cloudflare.com, melissa.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.96

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: 812ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`emerson.ns.cloudflare.com, melissa.ns.cloudflare.com`
SOA	1	`emerson.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (f.zdnscloud.cn, e.zdnscloud.cn, d.zdnscloud.com...)

Analysis

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 kalihouse.com, aw-ad.com, euclinicalrisk.com and two more.

These name servers commonly co-occur with the name servers nia.ns.cloudflare.com, linda.ns.cloudflare.com, devin.ns.cloudflare.com and ara.ns.cloudflare.com.

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.