`knowledge-ra.com`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:234e^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:92d6^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.35.78^{Cloudflare104.20.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.146.214^{🇺🇸 Cloudflare172.66.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`owen.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
MX	`_dc-mx.f1fbf154706a.knowledge-ra.com` ⭐
		A	203.30.165.3^{🇦🇺 NEXON-AS-AP203.30.164.0/23 Nexon Asia Pacific Pty Ltd 60-70 Parramatta Rd}
TXT	`139lskyhrw27gx30p575mlpnnx2qncl6`
TXT	`_fkdzt3k6uslx6nuy8yfxzzpxtmhrx2h`
TXT	`v=spf1 ip4:116.213.8.34/32 -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.20.35.78, 172.66.146.214
		IPv6	2606:4700:10::6814:234e, 2606:4700:10::ac42:92d6
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2397351391

`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=1771291435

Same first word

knowledge-ra.com

DNS History

13 records (7 active, 6 former)

○NSbm-dns.baselocation.com2015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 07:55:58
○ 2015-11-09 02:00:32
○ 2026-03-23 13:17:30

●NSdorthy.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

○NSns1.bluecentral.com2015-11-09 → 2017-06-30 · 5 obs

○ 2015-07-15 07:55:58
● 2015-11-09 02:00:32
● 2017-06-30 22:57:06
○ 2026-02-15 07:56:12
○ 2026-03-23 13:17:30

○NSns2.bluecentral.com2015-11-09 → 2017-06-30 · 5 obs

○ 2015-07-15 07:55:58
● 2015-11-09 02:00:32
● 2017-06-30 22:57:06
○ 2026-02-15 07:56:12
○ 2026-03-23 13:17:30

○NSns3.baselocation.com2015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 07:55:58
○ 2015-11-09 02:00:32
○ 2026-03-23 13:17:30

●NSowen.ns.cloudflare.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

●MX_dc-mx.f1fbf154706a.knowledge-ra.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

●A104.20.35.782026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

○A116.213.8.342015-11-09 → 2017-06-30 · 5 obs

○ 2015-07-15 07:55:58
● 2015-11-09 02:00:32
● 2017-06-30 22:57:06
○ 2026-02-15 07:56:12
○ 2026-03-23 13:17:30

●A172.66.146.2142026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

○A210.9.88.2222015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 07:55:58
○ 2015-11-09 02:00:32
○ 2026-03-23 13:17:30

●A2606:4700:10::6814:234e2026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

●A2606:4700:10::ac42:92d62026-02-15 → 2026-03-23 · 3 obs

○ 2017-06-30 22:57:06
● 2026-02-15 07:56:12
● 2026-03-23 13:17:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
knowledge-ra.com	dorthy.ns.cloudflare.com, owen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.249

NS records: dorthy.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-ra.com (unsigned zone)

⏱️ Timing

Total: 201ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.20.35.78, 172.66.146.214`
AAAA	2	`2606:4700:10::ac42:92d6, 2606:4700:10::6814:234e`
NS	2	`dorthy.ns.cloudflare.com, owen.ns.cloudflare.com`
MX	1	`_dc-mx.f1fbf154706a.knowledge-ra.com (pr`
TXT	3	`139lskyhrw27gx30p575mlpnnx2qncl6, _fkdzt3k6uslx6nuy8yfxzzpxtmhrx2h...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowledge-ra.com points to four IP numbers: 2606:4700:10::6814:234e, 2606:4700:10::ac42:92d6, 104.20.35.78 and 172.66.146.214.

Other host names such as rentingcarz.com, thefoilprintingco.com and fordauthority.com share IP numbers with knowledge-ra.com.

Name Servers

knowledge-ra.com's delegation uses two name servers, dorthy.ns.cloudflare.com and owen.ns.cloudflare.com.

knowledge-ra.com shares the same name server setup as other domains, for example ricoh.com.au, vailonxx.me, etf-lc.com, airmouse.cn and ktipton.com.

knowledge-ra.com at least partially shares name servers with other domains, including mercode.eu.org, climbury.com, famousamadeus.com, crebis.ru and saglikbilgisi.gen.tr.

these name servers are commonly used with rayden.ns.cloudflare.com, mckinley.ns.cloudflare.com, sima.ns.cloudflare.com and amir.ns.cloudflare.com.

Host names with six IP numbers:

dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219.

Mail Servers

knowledge-ra.com is handled by a single mail server, _dc-mx.f1fbf154706a.knowledge-ra.com.

_dc-mx.f1fbf154706a.knowledge-ra.com points to a single IP: 203.30.165.3.

knowledge-ra.com - robtex.com

knowledge-ra.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`knowledge-ra.com`

`com`