`content.gcflearnfree.org`

	CNAME	`gcfglobal-site-nodejs.azurewebsites.net`
	CNAME	`waws-prod-blu-117.sip.azurewebsites.windows.net`
	CNAME	`waws-prod-blu-117.eastus.cloudapp.azure.com`
	DNSSEC	⚠️ Not signed
	A	40.114.68.21^{🇺🇸 Microsoft40.112.0.0/13}

`gcflearnfree.org`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:610^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:710^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:463c^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.6.16^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.7.16^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.60^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
NS	`ivy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`MS=ms63217323`
TXT	`gcfglobal-site-nodejs.azurewebsites.net`
TXT	`google-site-verification=AwF_cJwlS0QiwHqeHpCzyK7NyMsrG06gy0VryZE0kJQ`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.6.16, 104.26.7.16, 172.67.70.60
		IPv6 hints	2606:4700:20::681a:610, 2606:4700:20::681a:710, 2606:4700:20::ac43:463c
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2397914729

WOT: SAFE (88/100)
rank #52596 globally
rank #5227 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #192,317

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DNS History

12 records (1 active, 11 former)

○A104.20.41.112016-11-11 → 2016-11-11 · 4 obs

○ 2016-04-29 12:59:16
● 2016-11-11 17:27:04
○ 2026-02-17 19:44:48
○ 2026-04-13 20:14:32

○A104.20.42.112016-11-11 → 2016-11-11 · 4 obs

○ 2016-04-29 12:59:16
● 2016-11-11 17:27:04
○ 2026-02-17 19:44:48
○ 2026-04-13 20:14:32

○A104.20.90.1192015-12-12 → 2016-04-29 · 5 obs

○ 2015-07-18 01:53:18
● 2015-12-12 09:32:40
● 2016-04-29 12:59:16
○ 2016-11-11 17:27:04
○ 2026-04-13 20:14:32

○A104.20.91.1192015-12-12 → 2016-04-29 · 5 obs

○ 2015-07-18 01:53:18
● 2015-12-12 09:32:40
● 2016-04-29 12:59:16
○ 2016-11-11 17:27:04
○ 2026-04-13 20:14:32

○A141.101.112.722015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 01:53:18
○ 2015-12-12 09:32:40
○ 2026-04-13 20:14:32

○A141.101.113.722015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 01:53:18
○ 2015-12-12 09:32:40
○ 2026-04-13 20:14:32

○A141.101.123.722015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 01:53:18
○ 2015-12-12 09:32:40
○ 2026-04-13 20:14:32

○A190.93.240.722015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 01:53:18
○ 2015-12-12 09:32:40
○ 2026-04-13 20:14:32

○A190.93.243.712015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 01:53:18
○ 2015-12-12 09:32:40
○ 2026-04-13 20:14:32

○A2400:cb00:2048:1::6814:290b2016-11-11 → 2016-11-11 · 4 obs

○ 2016-04-29 12:59:16
● 2016-11-11 17:27:04
○ 2026-02-17 19:44:48
○ 2026-04-13 20:14:32

○A2400:cb00:2048:1::6814:2a0b2016-11-11 → 2016-11-11 · 4 obs

○ 2016-04-29 12:59:16
● 2016-11-11 17:27:04
○ 2026-02-17 19:44:48
○ 2026-04-13 20:14:32

●CNAMEgcfglobal-site-nodejs.azurewebsites.net2026-02-17 → 2026-04-13 · 2 obs

● 2026-02-17 19:44:48
● 2026-04-13 20:14:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
gcflearnfree.org	ivy.ns.cloudflare.com, eric.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.112

NS records: ivy.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcflearnfree.org (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`gcfglobal-site-nodejs.azurewebsites.net`

Analysis

IP Addresses

content.gcflearnfree.org resolves to one IP number: 40.114.68.21.

other host names including edgerubber.com, premierrubbersurfacing.com, enviou-analytics.com, promojournal.com and safefinder.com share IP numbers with content.gcflearnfree.org.

content.gcflearnfree.org - robtex.com