`21docs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1b9c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8ef9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.156^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.249^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`rachel.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rachel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rachel.ns.cloudflare.com`
		A	108.162.192.215^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	172.64.32.215^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	173.245.58.215^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.156, 172.67.142.249
		IPv6 hints	2606:4700:3030::6815:1b9c, 2606:4700:3033::ac43:8ef9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2403737254

`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=1778716136

Same first word

21docs.com

Similar names

docs21.com

DNS History

15 records (6 active, 9 former)

●NSlee.ns.cloudflare.com2026-02-16 → 2026-05-13 · 3 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
● 2026-05-13 23:50:24

○NSns55.1und1.de2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 22:47:00
○ 2015-10-18 13:36:36
○ 2026-05-13 23:50:24

○NSns56.1und1.de2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 22:47:00
○ 2015-10-18 13:36:36
○ 2026-05-13 23:50:24

●NSrachel.ns.cloudflare.com2026-02-16 → 2026-05-13 · 3 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
● 2026-05-13 23:50:24

○MXmx00.kundenserver.de2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 22:47:00
○ 2015-10-18 13:36:36
○ 2026-05-13 23:50:24

○MXmx01.kundenserver.de2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 22:47:00
○ 2015-10-18 13:36:36
○ 2026-05-13 23:50:24

●A104.21.27.1562026-02-16 → 2026-05-13 · 7 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
○ 2026-03-14 01:58:54
● 2026-03-28 15:11:18
○ 2026-04-20 06:57:26
● 2026-04-24 19:29:52
● 2026-05-13 23:50:24

●A172.67.142.2492026-02-16 → 2026-05-13 · 7 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
○ 2026-03-14 01:58:54
● 2026-03-28 15:11:18
○ 2026-04-20 06:57:26
● 2026-04-24 19:29:52
● 2026-05-13 23:50:24

○A188.114.96.02026-03-14 → 2026-04-20 · 6 obs

○ 2026-02-16 20:42:06
● 2026-03-14 01:58:54
○ 2026-03-28 15:11:18
● 2026-04-20 06:57:26
○ 2026-04-24 19:29:52
○ 2026-05-13 23:50:24

○A188.114.97.02026-03-14 → 2026-04-20 · 6 obs

○ 2026-02-16 20:42:06
● 2026-03-14 01:58:54
○ 2026-03-28 15:11:18
● 2026-04-20 06:57:26
○ 2026-04-24 19:29:52
○ 2026-05-13 23:50:24

●A2606:4700:3030::6815:1b9c2026-02-16 → 2026-05-13 · 7 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
○ 2026-03-14 01:58:54
● 2026-03-28 15:11:18
○ 2026-04-20 06:57:26
● 2026-04-24 19:29:52
● 2026-05-13 23:50:24

●A2606:4700:3033::ac43:8ef92026-02-16 → 2026-05-13 · 7 obs

○ 2015-10-18 13:36:36
● 2026-02-16 20:42:06
○ 2026-03-14 01:58:54
● 2026-03-28 15:11:18
○ 2026-04-20 06:57:26
● 2026-04-24 19:29:52
● 2026-05-13 23:50:24

○A2a06:98c1:3120::2026-03-14 → 2026-04-20 · 6 obs

○ 2026-02-16 20:42:06
● 2026-03-14 01:58:54
○ 2026-03-28 15:11:18
● 2026-04-20 06:57:26
○ 2026-04-24 19:29:52
○ 2026-05-13 23:50:24

○A2a06:98c1:3121::2026-03-14 → 2026-04-20 · 6 obs

○ 2026-02-16 20:42:06
● 2026-03-14 01:58:54
○ 2026-03-28 15:11:18
● 2026-04-20 06:57:26
○ 2026-04-24 19:29:52
○ 2026-05-13 23:50:24

○A82.165.90.1892008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 22:47:00
○ 2015-10-18 13:36:36
○ 2026-05-13 23:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21docs.com	lee.ns.cloudflare.com, rachel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.129

NS records: lee.ns.cloudflare.com, rachel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21docs.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.156, 172.67.142.249`
AAAA	2	`2606:4700:3033::ac43:8ef9, 2606:4700:3030::6815:1b9c`
NS	2	`lee.ns.cloudflare.com, rachel.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21docs.com maps to four IP numbers: 2606:4700:3030::6815:1b9c, 2606:4700:3033::ac43:8ef9, 104.21.27.156 and 172.67.142.249.

Other host names such as scriptnexus.co.uk, wap.camarafundao.es.gov.br, mail.fortune-creations.com, hlaaudio.com and huyuetools.com share IPs with 21docs.com.

Name Servers

Two name servers lee.ns.cloudflare.com and rachel.ns.cloudflare.com handle the delegation for 21docs.com.

21docs.com shares the same name server setup as other domains, for example kaitingbao.com, inderscienceonline.com, ajarchive.com, jsw809.com and 75lo.com.

21docs.com at least partially shares name servers with other domains, for example coreachdigital.com, shigtrack.com, ubezpieczony.com, 720144.com and bouhassou.pages.dev.

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

Host names with six IP numbers:

lee.ns.cloudflare.com points to 2606:4700:58::adf5:3b81, 2803:f800:50::6ca2:c181, 2a06:98c1:50::ac40:2181, 108.162.193.129, 172.64.33.129 and 173.245.59.129.

rachel.ns.cloudflare.com points to 2606:4700:50::adf5:3ad7, 2803:f800:50::6ca2:c0d7, 2a06:98c1:50::ac40:20d7, 108.162.192.215, 172.64.32.215 and 173.245.58.215.

21docs.com - robtex.com

21docs.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`21docs.com`

`com`