2xclass.com - dns.ninja

`2xclass.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:ded^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:856f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.237^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.111^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c052^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2052^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chan.ns.cloudflare.com`
		A	108.162.192.82^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	172.64.32.82^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	173.245.58.82^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
NS	`ethan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ce8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ethan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ethan.ns.cloudflare.com`
		A	108.162.195.232^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	162.159.44.232^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	172.64.35.232^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=Pk5ahmykTpcfqpETUROfFAukGPaAC1ZbmY7TpAN00tQ`
TXT	`google-site-verification=Q3ETKZuH66K_Y7lDiLjhFFe6KO8cmhoJv7CkGmpibx0`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=PStM6Pp4DVkYcSzJQDgi`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.237, 172.67.133.111
		IPv6 hints	2606:4700:3033::6815:ded, 2606:4700:3036::ac43:856f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=215, name=cloudflare-ech.com
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2410546972

`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=1785516387

Same first word

2xclass.com

DNS History

9 records (9 active, 0 former)

●NSchan.ns.cloudflare.com2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●NSethan.ns.cloudflare.com2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●MXmx1.feishu.cn2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●MXmx2.feishu.cn2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●MXmx3.feishu.cn2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●A104.21.13.2372026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●A172.67.133.1112026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●A2606:4700:3033::6815:ded2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

●A2606:4700:3036::ac43:856f2026-02-19 → 2026-07-31 · 2 obs

● 2026-02-19 02:55:50
● 2026-07-31 17:03:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
2xclass.com	chan.ns.cloudflare.com, ethan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.82

NS records: chan.ns.cloudflare.com, ethan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2xclass.com (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.111, 104.21.13.237`
AAAA	2	`2606:4700:3036::ac43:856f, 2606:4700:3033::6815:ded`
NS	2	`chan.ns.cloudflare.com, ethan.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	4	`google-site-verification=Pk5ahmykTpcfqpE, google-site-verification=Q3ETKZuH66K_Y7l...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

2xclass.com resolves to four IP addresses: 104.21.13.237, 172.67.133.111, 2606:4700:3033::6815:ded and 2606:4700:3036::ac43:856f.

mail.beyondthehorizonsconsulting.com, www.nationaldentalplacements.com, ah9988.com plus two other host names have IP numbers in common with 2xclass.com.

Name Servers

2xclass.com is delegated to two name servers: chan.ns.cloudflare.com and ethan.ns.cloudflare.com.

The name server configuration of 2xclass.com is shared with other domains, for instance hga481.com, efgonline.app, feelinggloomy.com and two others.

2xclass.com has at least partial name server overlap with other domains, such as jinshavip0066.com, ianmorrill.com, 773.net and two others.

These name servers tend to appear together with the name servers walk.ns.cloudflare.com, doug.ns.cloudflare.com and merlin.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

chan.ns.cloudflare.com resolves to 108.162.192.82, 172.64.32.82, 173.245.58.82 and 3 other IP addresses.

ethan.ns.cloudflare.com resolves to 108.162.195.232, 162.159.44.232, 172.64.35.232 and 3 other IP addresses.

Mail Servers

2xclass.com has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by 2xclass.com are shared with other domains: flux-pro.net, hulianxinxi.com, watchfreejoy.com and two others among them.

Host names carrying three IP numbers:

mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names pointing to two IP addresses:

mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names resolving to a single IP address:

mx1.feishu.cn points to 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn are host names that each point to 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 122.14.229.0 IP addresses.