`atcylinder.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c13b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:14aa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.170^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.59^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`houston.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
NS	`pearl.ns.cloudflare.com`
		A	2606:4700:50::a29f:268c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pearl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pearl.ns.cloudflare.com`
		A	108.162.194.140^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	162.159.38.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	172.64.34.140^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.170, 172.67.193.59
		IPv6 hints	2606:4700:3031::ac43:c13b, 2606:4700:3037::6815:14aa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`houston.ns.cloudflare.com`dns@cloudflare.com serial=2407299983

`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=1785270012

Previously NS for

atcylinder.com

Same first word

atcylinder.com

Similar names

citylander.com

diycentral.com

lyricadent.sbs

traceylind.net

traceylind.info

DNS History

14 records (6 active, 8 former)

○NSatcylinder.com2015-06-30 → 2015-11-12 · 5 obs

○ 2008-03-16 14:55:52
● 2015-06-30 21:00:14
● 2015-11-12 09:10:12
○ 2016-02-04 23:37:14
○ 2026-07-28 20:47:56

○NSdns1.hichina.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 14:55:52
○ 2015-06-30 21:00:14
○ 2026-07-28 20:47:56

○NSdns2.hichina.com2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 14:55:52
○ 2015-06-30 21:00:14
○ 2026-07-28 20:47:56

○NSf1g1ns1.dnspod.net2016-05-04 → 2019-04-12 · 5 obs

○ 2016-02-04 23:37:14
● 2016-05-04 10:01:10
● 2019-04-12 22:31:34
○ 2026-07-19 09:44:48
○ 2026-07-28 20:47:56

○NSf1g1ns2.dnspod.net2016-05-04 → 2019-04-12 · 5 obs

○ 2016-02-04 23:37:14
● 2016-05-04 10:01:10
● 2019-04-12 22:31:34
○ 2026-07-19 09:44:48
○ 2026-07-28 20:47:56

●NShouston.ns.cloudflare.com2026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

●NSpearl.ns.cloudflare.com2026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

○A103.41.174.2252017-02-17 → 2017-02-17 · 4 obs

○ 2016-02-04 23:37:14
● 2017-02-17 09:09:48
○ 2019-04-12 22:31:34
○ 2026-07-28 20:47:56

●A104.21.20.1702026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

○A108.186.213.2142015-06-30 → 2015-11-12 · 5 obs

○ 2008-03-16 14:55:52
● 2015-06-30 21:00:14
● 2015-11-12 09:10:12
○ 2016-02-04 23:37:14
○ 2026-07-28 20:47:56

○A166.88.140.1992019-04-12 → 2019-04-12 · 4 obs

○ 2017-02-17 09:09:48
● 2019-04-12 22:31:34
○ 2026-07-19 09:44:48
○ 2026-07-28 20:47:56

●A172.67.193.592026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

●A2606:4700:3031::ac43:c13b2026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

●A2606:4700:3037::6815:14aa2026-07-19 → 2026-07-28 · 3 obs

○ 2019-04-12 22:31:34
● 2026-07-19 09:44:48
● 2026-07-28 20:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
atcylinder.com	pearl.ns.cloudflare.com, houston.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.52

NS records: pearl.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atcylinder.com (unsigned zone)

⏱️ Timing

Total: 1955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.193.59, 104.21.20.170`
AAAA	2	`2606:4700:3031::ac43:c13b, 2606:4700:3037::6815:14aa`
NS	2	`houston.ns.cloudflare.com, pearl.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`houston.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

atcylinder.com has four IP addresses: 104.21.20.170, 172.67.193.59, 2606:4700:3031::ac43:c13b and 2606:4700:3037::6815:14aa.

aiburn.com, terradata.co.id, favoritethings.net plus two other host names have IP numbers in common with atcylinder.com.

Name Servers

atcylinder.com is served by two delegated name servers, houston.ns.cloudflare.com and pearl.ns.cloudflare.com.

The name server configuration of atcylinder.com is shared with other domains, for instance sanhetongxun.com, 7788zjh.com, west260.com and two others.

atcylinder.com has at least partial name server overlap with other domains, such as bxtrc.com, personaltrainerhobart.com.au, balsley.net and two others.

It is common to see these name servers used together with name servers violet.ns.cloudflare.com and arnold.ns.cloudflare.com.

Hosts with 6 IP addresses each:

houston.ns.cloudflare.com carries IP addresses 108.162.195.52, 162.159.44.52 and 172.64.35.52, with 3 other addresses beyond those.

pearl.ns.cloudflare.com carries IP addresses 108.162.194.140, 162.159.38.140 and 172.64.34.140, with 3 other addresses beyond those.

atcylinder.com - robtex.com

atcylinder.com

com

Previously NS for

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

`atcylinder.com`

`com`