tclass.dev - dns.ninja

`tclass.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:810^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:825b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.16^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.91^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`surina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2613^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c213^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`surina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2213^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`surina.ns.cloudflare.com`
		A	108.162.194.19^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	162.159.38.19^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
		A	172.64.34.19^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`surina.ns.cloudflare.com`
NS	`wesley.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wesley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wesley.ns.cloudflare.com`
		A	108.162.193.246^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	172.64.33.246^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
		A	173.245.59.246^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wesley.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽³¹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.16, 172.67.130.91
		IPv6 hints	2606:4700:3035::6815:810, 2606:4700:3035::ac43:825b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`surina.ns.cloudflare.com`dns@cloudflare.com serial=2409299358

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

PTR for

26.236.209.134.in-addr.arpa

Same first word

tclass.kr

tclass.vn

tclass.com.br

tclass.ru

tclass.dev

Similar names

slcast.it

scsatl.com

tclsas.com

lsacts.com

catssl.com

caslst.com

scatsl.com

lacsst.ca

scatsl.ws

acsstl.com

stcsal.net

stcasl.com

cssalt.com

stlacs.org

clasts.com

csastl.com

scsalt.com

atlssc.com

stlacs.com

casstl.com

scaslt.com

slcats.com

altssc.com

castls.com

scalts.com

classt.com

asclts.com

tlcsas.com

stscal.com

stcsal.com

caltss.com

lastcs.ro

DNS History

12 records (9 active, 3 former)

●NSsurina.ns.cloudflare.com2026-02-25 → 2026-08-04 · 2 obs

● 2026-02-25 13:13:44
● 2026-08-04 17:58:20

●NSwesley.ns.cloudflare.com2026-02-25 → 2026-08-04 · 2 obs

● 2026-02-25 13:13:44
● 2026-08-04 17:58:20

●MXroute1.mx.cloudflare.net2026-02-25 → 2026-08-04 · 2 obs

● 2026-02-25 13:13:44
● 2026-08-04 17:58:20

●MXroute2.mx.cloudflare.net2026-02-25 → 2026-08-04 · 2 obs

● 2026-02-25 13:13:44
● 2026-08-04 17:58:20

●MXroute3.mx.cloudflare.net2026-02-25 → 2026-08-04 · 2 obs

● 2026-02-25 13:13:44
● 2026-08-04 17:58:20

●A104.21.8.162026-02-25 → 2026-08-04 · 5 obs

● 2026-02-25 13:13:44
● 2026-03-07 09:53:46
○ 2026-03-07 13:03:20
● 2026-03-26 02:50:42
● 2026-08-04 17:58:20

○A172.64.80.12026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 09:53:46
● 2026-03-07 13:03:20
○ 2026-03-26 02:50:42
○ 2026-08-04 17:58:20

●A172.67.130.912026-02-25 → 2026-08-04 · 5 obs

● 2026-02-25 13:13:44
● 2026-03-07 09:53:46
○ 2026-03-07 13:03:20
● 2026-03-26 02:50:42
● 2026-08-04 17:58:20

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-03 → 2026-03-07 · 7 obs

○ 2026-03-03 10:04:16
● 2026-03-03 11:54:50
○ 2026-03-06 16:11:24
○ 2026-03-07 09:53:46
● 2026-03-07 13:03:20
○ 2026-03-26 02:50:42
○ 2026-08-04 17:58:20

○A2606:4700:3030::6815:8102026-02-25 → 2026-03-26 · 9 obs

● 2026-02-25 13:13:44
● 2026-03-03 10:04:16
○ 2026-03-03 11:54:50
● 2026-03-06 16:11:24
● 2026-03-07 09:53:46
○ 2026-03-07 13:03:20
● 2026-03-26 02:50:42
○ 2026-07-01 22:05:16
○ 2026-08-04 17:58:20

●A2606:4700:3035::6815:8102026-07-01 → 2026-08-04 · 3 obs

○ 2026-03-26 02:50:42
● 2026-07-01 22:05:16
● 2026-08-04 17:58:20

●A2606:4700:3035::ac43:825b2026-02-25 → 2026-08-04 · 8 obs

● 2026-02-25 13:13:44
● 2026-03-03 10:04:16
○ 2026-03-03 11:54:50
● 2026-03-06 16:11:24
● 2026-03-07 09:53:46
○ 2026-03-07 13:03:20
● 2026-03-26 02:50:42
● 2026-08-04 17:58:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
tclass.dev	wesley.ns.cloudflare.com, surina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.246

NS records: wesley.ns.cloudflare.com, surina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tclass.dev (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.130.91, 104.21.8.16`
AAAA	2	`2606:4700:3035::6815:810, 2606:4700:3035::ac43:825b`
NS	2	`surina.ns.cloudflare.com, wesley.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 11), route3.mx.cloudflare.net (pri: 31)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`surina.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

tclass.dev resolves to four IP addresses: 104.21.8.16, 172.67.130.91, 2606:4700:3035::6815:810 and 2606:4700:3035::ac43:825b.

mataharidago.com, kadlaw.co.il, gamer-gam04h8.top plus two other host names have IP numbers in common with tclass.dev.

Name Servers

tclass.dev is served by two delegated name servers, surina.ns.cloudflare.com and wesley.ns.cloudflare.com.

The name server configuration of tclass.dev is shared with other domains, for instance iotareward.com, bohoclothingstyle.com, harbor-sales.com and two others.

tclass.dev shares at least some of its name servers with other domains, including cinepecs.hu, norensecondhand.com, com-wdoja.vip and two others.

These name servers are frequently paired with the name servers ingrid.ns.cloudflare.com and heather.ns.cloudflare.com.

Hosts with 6 IP addresses each:

surina.ns.cloudflare.com carries IP addresses 108.162.194.19, 162.159.38.19 and 172.64.34.19, with 3 other addresses beyond those.

wesley.ns.cloudflare.com carries IP addresses 108.162.193.246, 172.64.33.246 and 173.245.59.246, with 3 other addresses beyond those.

Mail Servers

tclass.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by tclass.dev are shared with other domains: medicalcv.org, shuntool.com, n1s168.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.