`iosxuexi.com`

DNSSEC	⚠️ Not signed
A	119.28.40.11^{🇭🇰 TENCENT-NET-AP-CN119.28.40.0/23 Proxy-registered route object}
NS	`cuttlefish.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
NS	`janet.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
SOA	`cuttlefish.dnspod.net`freednsadmin@dnspod.com serial=1765107481

`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=1778610716

Same first word

iosxuexi.com

DNS History

7 records (3 active, 4 former)

●NScuttlefish.dnspod.net2026-05-04 → 2026-05-12 · 3 obs

○ 2019-04-23 05:37:34
● 2026-05-04 21:44:10
● 2026-05-12 18:54:00

○NSdns10.hichina.com2015-07-11 → 2016-12-30 · 4 obs

● 2015-07-11 23:02:10
● 2016-12-30 05:13:50
○ 2019-04-23 05:37:34
○ 2026-05-12 18:54:00

○NSdns9.hichina.com2015-07-11 → 2016-12-30 · 4 obs

● 2015-07-11 23:02:10
● 2016-12-30 05:13:50
○ 2019-04-23 05:37:34
○ 2026-05-12 18:54:00

●NSjanet.dnspod.net2026-05-04 → 2026-05-12 · 3 obs

○ 2019-04-23 05:37:34
● 2026-05-04 21:44:10
● 2026-05-12 18:54:00

○NSns1.alidns.com2019-04-23 → 2019-04-23 · 4 obs

○ 2016-12-30 05:13:50
● 2019-04-23 05:37:34
○ 2026-05-04 21:44:10
○ 2026-05-12 18:54:00

○NSns2.alidns.com2019-04-23 → 2019-04-23 · 4 obs

○ 2016-12-30 05:13:50
● 2019-04-23 05:37:34
○ 2026-05-04 21:44:10
○ 2026-05-12 18:54:00

●A119.28.40.112026-05-04 → 2026-05-12 · 2 obs

● 2026-05-04 21:44:10
● 2026-05-12 18:54:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
iosxuexi.com	cuttlefish.dnspod.net, janet.dnspod.net	-

✅ Authoritative Response

Server:111.206.98.235

NS records: cuttlefish.dnspod.net, janet.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iosxuexi.com (unsigned zone)

⏱️ Timing

Total: 726ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`119.28.40.11`
NS	2	`cuttlefish.dnspod.net, janet.dnspod.net`
SOA	1	`cuttlefish.dnspod.net freednsadmin.dnspo`

Analysis

IP Addresses

iosxuexi.com resolves to one IP number: 119.28.40.11.

Other host names, for instance www.mh456.com, drivesoft.cn, yrlb.cn, xueluwang.com.cn and dzer.cn share IP numbers with iosxuexi.com.

Name Servers

iosxuexi.com's delegation uses two name servers: cuttlefish.dnspod.net and janet.dnspod.net.

iosxuexi.com uses the same name server setup as other domains, such as keclean.com.cn, 8b1c14bc1a1d6cf6.com, stmgroup.cn, usaccountblizzard.com and f173b7def78b89b3.com.

iosxuexi.com at least partially shares name servers with other domains, for example socvista.com.

Host names with six IP numbers:

cuttlefish.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.89.178.173 and 220.196.136.35.

janet.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.

iosxuexi.com - robtex.com

iosxuexi.com

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