`globalknowledgebase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3d0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:8330^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.208^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.48^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`karina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karina.ns.cloudflare.com`
		A	108.162.192.178^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	172.64.32.178^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	173.245.58.178^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.208, 172.67.131.48
		IPv6 hints	2606:4700:3030::6815:3d0, 2606:4700:3030::ac43:8330
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2399420550

`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=1775970182

PTR for

63.70.203.159.in-addr.arpa

DNS History

14 records (6 active, 8 former)

○NSauthns1.mpls.qwest.net2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 03:15:38
○ 2015-07-25 01:51:08
○ 2026-04-12 05:06:50

○NSauthns2.dnvr.qwest.net2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 03:15:38
○ 2015-07-25 01:51:08
○ 2026-04-12 05:06:50

○NSauthns3.sttl.qwest.net2007-10-31 → 2007-10-31 · 3 obs

● 2007-10-31 03:15:38
○ 2015-07-25 01:51:08
○ 2026-04-12 05:06:50

●NScurt.ns.cloudflare.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

●NSkarina.ns.cloudflare.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

○NSns57.domaincontrol.com2015-07-25 → 2017-11-08 · 5 obs

○ 2007-10-31 03:15:38
● 2015-07-25 01:51:08
● 2017-11-08 07:09:12
○ 2026-04-12 05:06:48
○ 2026-04-12 05:06:50

○NSns58.domaincontrol.com2015-07-25 → 2017-11-08 · 5 obs

○ 2007-10-31 03:15:38
● 2015-07-25 01:51:08
● 2017-11-08 07:09:12
○ 2026-04-12 05:06:48
○ 2026-04-12 05:06:50

○MXmailstore1.secureserver.net2015-07-25 → 2017-11-08 · 5 obs

○ 2007-10-31 03:15:38
● 2015-07-25 01:51:08
● 2017-11-08 07:09:12
○ 2026-04-12 05:06:48
○ 2026-04-12 05:06:50

○MXsmtp.secureserver.net2015-07-25 → 2017-11-08 · 5 obs

○ 2007-10-31 03:15:38
● 2015-07-25 01:51:08
● 2017-11-08 07:09:12
○ 2026-04-12 05:06:48
○ 2026-04-12 05:06:50

●A104.21.3.2082026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

●A172.67.131.482026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

○A192.237.231.1422015-07-25 → 2017-11-08 · 5 obs

○ 2007-10-31 03:15:38
● 2015-07-25 01:51:08
● 2017-11-08 07:09:12
○ 2026-04-12 05:06:48
○ 2026-04-12 05:06:50

●A2606:4700:3030::6815:3d02026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

●A2606:4700:3030::ac43:83302026-04-12 → 2026-04-12 · 3 obs

○ 2017-11-08 07:09:12
● 2026-04-12 05:06:48
● 2026-04-12 05:06:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
globalknowledgebase.com	curt.ns.cloudflare.com, karina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.94

NS records: curt.ns.cloudflare.com, karina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for globalknowledgebase.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.208, 172.67.131.48`
AAAA	2	`2606:4700:3030::6815:3d0, 2606:4700:3030::ac43:8330`
NS	2	`curt.ns.cloudflare.com, karina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

globalknowledgebase.com points to four IP numbers: 2606:4700:3030::6815:3d0, 2606:4700:3030::ac43:8330, 104.21.3.208 and 172.67.131.48.

Other host names including seedboxgui.de, dedicateaday.com, btcpay.site, twentycolander.com and musicanddance.org share IP numbers with globalknowledgebase.com.

Name Servers

globalknowledgebase.com's delegation uses two name servers, curt.ns.cloudflare.com and karina.ns.cloudflare.com.

globalknowledgebase.com shares the same name server setup as other domains, for example psychowerks.com, gatewaysentry.com, websitechat.com, botwerks.com and lexiaintl.org.

globalknowledgebase.com at least partially shares name servers with other domains, including cpumedmc.com, fetalmed.net, gvr.co.nz, thesnookerforum.co.uk and aglg.ca.

These name servers are often used together with sue.ns.cloudflare.com.

Host names with six IP numbers:

curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94.

karina.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab2, 2803:f800:50::6ca2:c0b2, 2a06:98c1:50::ac40:20b2, 108.162.192.178, 172.64.32.178 and 173.245.58.178.

globalknowledgebase.com - robtex.com