`21thread.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4256^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:9dfe^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.86^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.254^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`edna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`edna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`edna.ns.cloudflare.com`
		A	108.162.192.109^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	172.64.32.109^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
		A	173.245.58.109^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edna.ns.cloudflare.com`
NS	`sam.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sam.ns.cloudflare.com`
		A	108.162.193.141^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	172.64.33.141^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	173.245.59.141^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.86, 172.67.157.254
		IPv6 hints	2606:4700:3032::6815:4256, 2606:4700:3034::ac43:9dfe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`edna.ns.cloudflare.com`dns@cloudflare.com serial=2401693577

`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=1776249977

Same first word

21thread.com

Similar names

thread21.com

DNS History

18 records (6 active, 12 former)

○NSdns1.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○NSdns2.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

●NSedna.ns.cloudflare.com2026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

●NSsam.ns.cloudflare.com2026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

○MXeforward1.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○MXeforward2.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○MXeforward3.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○MXeforward4.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○MXeforward5.registrar-servers.com2016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

●A104.21.66.862026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

○A162.255.119.2482016-12-15 → 2017-07-10 · 4 obs

● 2016-12-15 10:33:38
● 2017-07-10 03:36:48
○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

●A172.67.157.2542026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

○A188.114.96.02026-03-09 → 2026-04-15 · 2 obs

○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○A188.114.97.02026-03-09 → 2026-04-15 · 2 obs

○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

●A2606:4700:3032::6815:42562026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

●A2606:4700:3034::ac43:9dfe2026-03-09 → 2026-04-15 · 3 obs

○ 2017-07-10 03:36:48
● 2026-03-09 07:13:40
● 2026-04-15 11:02:30

○A2a06:98c1:3120::2026-03-09 → 2026-04-15 · 2 obs

○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

○A2a06:98c1:3121::2026-03-09 → 2026-04-15 · 2 obs

○ 2026-03-09 07:13:40
○ 2026-04-15 11:02:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
21thread.com	sam.ns.cloudflare.com, edna.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.109

NS records: sam.ns.cloudflare.com, edna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.157.254, 104.21.66.86`
AAAA	2	`2606:4700:3034::ac43:9dfe, 2606:4700:3032::6815:4256`
NS	2	`edna.ns.cloudflare.com, sam.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`edna.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21thread.com maps to four IP numbers: 2606:4700:3032::6815:4256, 2606:4700:3034::ac43:9dfe, 104.21.66.86 and 172.67.157.254.

other host names include d08e65ee608f.crete.pl, pemex-capital.click, travastore.com, hetaiy.com and wofo.life; they share IP numbers with 21thread.com.

Name Servers

Two name servers edna.ns.cloudflare.com and sam.ns.cloudflare.com handle the delegation for 21thread.com.

21thread.com shares the same name server setup as other domains, for instance chefentwickler.de, ntbeta.com, carlitoxxpro.com, trzor-io-pages-dev.pages.dev and mh-enterprise.com.

21thread.com at least partially shares name servers with other domains, for instance damouras.gr, hfcjauto.com.cn, indivo.net, repik.eu and bitsnpixels.nl.

These name servers are commonly used with rosalie.ns.cloudflare.com and tom.ns.cloudflare.com.

Six IP addresses per host:

edna.ns.cloudflare.com points to 2606:4700:50::adf5:3a6d, 2803:f800:50::6ca2:c06d, 2a06:98c1:50::ac40:206d, 108.162.192.109, 172.64.32.109 and 173.245.58.109; sam.ns.cloudflare.com points to 2606:4700:58::adf5:3b8d, 2803:f800:50::6ca2:c18d, 2a06:98c1:50::ac40:218d, 108.162.193.141, 172.64.33.141 and 173.245.59.141

21thread.com - robtex.com

21thread.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

`21thread.com`

`com`