`cochranelearning.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:38a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:82c0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.138^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.192^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dora.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dora.ns.cloudflare.com`
		A	108.162.192.108^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	172.64.32.108^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	173.245.58.108^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
NS	`ivan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.138, 172.67.130.192
		IPv6 hints	2606:4700:3030::6815:38a, 2606:4700:3034::ac43:82c0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`dora.ns.cloudflare.com`dns@cloudflare.com serial=2401773177

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776970416

WOT: SAFE (97/100)

Same first word

cochranelearning.com

cochranelearning.org

cochranelearning.co.uk

DNS History

13 records (6 active, 7 former)

○NSbri-ns01.wiley.com2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

●NSdora.ns.cloudflare.com2026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

●NSivan.ns.cloudflare.com2026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

○NSjws-edcp.wiley.com2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

○NSns.wiley.co.uk2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

○NSns.wileypub.com2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

○NSns2.wiley.co.uk2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

○NSsg-ns01.wiley.com2015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

●A104.21.3.1382026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

●A172.67.130.1922026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

○A208.215.179.1322015-06-11 → 2017-06-08 · 4 obs

● 2015-06-11 13:58:00
● 2017-06-08 18:42:12
○ 2026-04-09 00:14:32
○ 2026-04-23 18:56:12

●A2606:4700:3030::6815:38a2026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

●A2606:4700:3034::ac43:82c02026-04-09 → 2026-04-23 · 3 obs

○ 2017-06-08 18:42:12
● 2026-04-09 00:14:32
● 2026-04-23 18:56:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cochranelearning.com	dora.ns.cloudflare.com, ivan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.108

NS records: dora.ns.cloudflare.com, ivan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cochranelearning.com (unsigned zone)

⏱️ Timing

Total: 188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.138, 172.67.130.192`
AAAA	2	`2606:4700:3034::ac43:82c0, 2606:4700:3030::6815:38a`
NS	2	`dora.ns.cloudflare.com, ivan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dora.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dora.ns.cloudflare.com, dora.ns.cloudflare.com, dora.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by cochranelearning.com: 2606:4700:3030::6815:38a, 2606:4700:3034::ac43:82c0, 104.21.3.138 and 172.67.130.192.

other host names including stillcrowncanvas.pro, 51lvhua.cn, verranti.co.uk, modernfactory.pl and www.nyhrps.org share IP numbers with cochranelearning.com.

Name Servers

cochranelearning.com is delegated to two name servers dora.ns.cloudflare.com and ivan.ns.cloudflare.com.

cochranelearning.com shares the same name server setup as other domains, for instance maplestory.news, diabeticmedicinejournal.com, graphicstandardsonline.com, fluffycoder.net and wiley.us.

cochranelearning.com at least partially shares name servers with other domains, for instance ermandumlu.com, gde(0x706f726e)o.com, tw900.com, lmyqxs.net and boatcharterss.com.

these name servers are commonly used alongside major.ns.cloudflare.com.

Host names with six IP numbers:

Host name dora.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6c, 2803:f800:50::6ca2:c06c, 2a06:98c1:50::ac40:206c, 108.162.192.108, 172.64.32.108 and 173.245.58.108.

Host name ivan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b78, 2803:f800:50::6ca2:c178, 2a06:98c1:50::ac40:2178, 108.162.193.120, 172.64.33.120 and 173.245.59.120.

cochranelearning.com - robtex.com