`downclass.com`

DNSSEC	⚠️ Not signed
NS	`n1.xundns.com` ⭐
		A	2409:8c44:1b00:601:1:1110:609:6027^{🇨🇳 CHINAMOBILE-CN2409:8c44:1b00::/48 CMI (Customer Route)}
		A	2604:86c0:5001:11::2659:466b^{🇺🇸 AS630232604:86c0:5000::/36 GTHOST-SEA}
		A	38.89.70.107^{🇺🇸 AS6302338.89.70.0/24 Route Registered for Cogent Communications Customer - GlobalTelehost Corp}
			PTR	`107-70-89-38.clients.gthost.com`
		A	111.6.96.27^{🇨🇳 CHINAMOBILE-CN111.6.96.0/21 CMI (Customer Route)}
NS	`n2.xundns.com`
		A	2408:8621:0:42:e401:402:0:a^{🇨🇳 CHINA169-Backbone2408:8621::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	2408:8722:1801:10:4:611:6303:181^{🇨🇳 CHINA169-Backbone2408:8722::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	2604:86c0:6001:8::a9c5:8e51^{🇺🇸 AS630232604:86c0:6000::/36 GTHOST-SCL}
		A	61.163.30.181^{🇨🇳 CHINA169-Backbone61.163.0.0/16 CNC Group CHINA169 Henan Province Network}
			PTR	`hn.ly.kd.adsl`
		A	122.114.37.19^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
		A	169.197.142.81^{🇺🇸 AS63023169.197.142.0/24 GlobalTeleHost}
			PTR	`81-142-197-169.clients.gthost.com`
SOA	`n1.xundns.com`nsadmin@xundns.com serial=437896

`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=1771291435

Same first word

downclass.com

DNS History

5 records (2 active, 3 former)

●NSn1.xundns.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-06 12:13:44
● 2026-03-10 01:58:00
● 2026-03-10 05:27:36

●NSn2.xundns.com2026-03-10 → 2026-03-10 · 3 obs

○ 2017-04-06 12:13:44
● 2026-03-10 01:58:00
● 2026-03-10 05:27:36

○NSns1.72dns.com2015-08-06 → 2017-04-06 · 4 obs

● 2015-08-06 21:20:06
● 2017-04-06 12:13:44
○ 2026-03-10 01:58:00
○ 2026-03-10 05:27:36

○NSns2.idc1.cn2015-08-06 → 2016-08-07 · 4 obs

● 2015-08-06 21:20:06
● 2016-08-07 19:28:04
○ 2017-04-06 12:13:44
○ 2026-03-10 05:27:36

○A124.232.156.1022015-08-06 → 2017-04-06 · 4 obs

● 2015-08-06 21:20:06
● 2017-04-06 12:13:44
○ 2026-03-10 01:58:00
○ 2026-03-10 05:27:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
downclass.com	n1.xundns.com, n2.xundns.com	11 records

✅ Authoritative Response

Server: 122.114.37.19

NS records: n1.xundns.com, n2.xundns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for downclass.com (unsigned zone)

⏱️ Timing

Total: 3693ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`n2.xundns.com, n1.xundns.com`
SOA	1	`n1.xundns.com nsadmin.xundns.com`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (n1.xundns.com, n1.xundns.com, n1.xundns.com...)

Analysis

Name Servers

downclass.com is delegated to two name servers: n1.xundns.com and n2.xundns.com.

downclass.com uses the same name server setup as other domains, including 3f02d39c552f19c8.com, 7474.com, 7889829.com, longyudiaosu.com and yuanlins.cn.

At least part of the name servers for downclass.com are shared with other domains, for instance unfairgame.co, 61666699.cc, headtechnologyservices.com, gezila.cn and romsdeals.com.

These name servers are commonly used alongside v1s1.xundns.com and v1s2.xundns.com.

Host names with six IP numbers:

n2.xundns.com points to: 2408:8621:0:42:e401:402:0:a, 2408:8722:1801:10:4:611:6303:181, 2604:86c0:6001:8::a9c5:8e51, 61.163.30.181, 122.114.37.19 and 169.197.142.81.

Host names with four IP numbers:

n1.xundns.com points to: 2409:8c44:1b00:601:1:1110:609:6027, 2604:86c0:5001:11::2659:466b, 38.89.70.107 and 111.6.96.27.

downclass.com - robtex.com

downclass.com

com