`mail.classme.net`

CNAME	`mail.qq.com`
DNSSEC	⚠️ Not signed
NS	`ns-cmn1.qq.com` ⚠️ Not in parent delegation
		A	2402:4e00:111:ff4::3^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	42.187.235.2^{🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network}
		A	43.140.54.204^{🇨🇳 TENCENT-NET-AP43.140.0.0/18 Tencent Cloud Computing (Beijing) Co., Ltd 309 West Zone, 3F. 49 Zhichun Road. Haidian District.}
		A	43.142.212.27^{🇨🇳 TENCENT-NET-AP43.142.192.0/18}
NS	`ns-cnc1.qq.com` ⚠️ Not in parent delegation
		A	240e:e1:aa00:2002::3^{🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC}
		A	61.135.196.2^{🇨🇳 CHINA169-BJ61.135.196.0/24}
		A	140.207.180.96^{🇨🇳 UNICOM-SHFT-IDC140.207.180.0/24 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	157.255.6.102^{🇨🇳 UNICOM-GuangZhou-IDC157.255.6.0/24}
NS	`ns-os1.qq.com` ⚠️ Not in parent delegation
		A	2402:4e00:111:ff4::3^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	43.129.131.16^{🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20}
		A	43.130.172.23^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.134.249.23^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.10^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.133^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.166.55.3^{🇸🇬 TENCENT-NET-AP-CN43.166.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	203.205.220.26^{🇭🇰 TENCENT-NET-AP-CN203.205.220.0/23 Proxy-registered route object}
NS	`ns-tel1.qq.com` ⚠️ Not in parent delegation
		A	240e:e1:aa00:2002::3^{🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC}
		A	14.116.238.220^{🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network}
		A	49.7.250.139^{🇨🇳 CHINA-149.7.192.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.161.254^{🇨🇳 SHANGHAITELECOM101.227.161.0/24 SHIDC}

`classme.net`

	DNSSEC	⚠️ Not signed
	NS	`ns1.cnolnic.com` ⭐
	NS	`ns2.cnolnic.com`
	MX	`mxdomain.qq.com` ⭐
	SOA	`ns1.cnolnic.com`root@cnolnic.net 2006-11-24 #1

Same first word

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DNS History

4 records (1 active, 3 former)

○A103.7.30.1002015-06-27 → 2016-06-20 · 5 obs

○ 2007-11-17 22:32:18
● 2015-06-27 02:25:14
● 2016-06-20 09:32:04
○ 2026-04-05 09:52:48
○ 2026-04-27 02:17:46

○A203.205.128.1112015-11-13 → 2016-06-20 · 5 obs

○ 2015-06-27 02:25:14
● 2015-11-13 06:27:44
● 2016-06-20 09:32:04
○ 2026-04-05 09:52:48
○ 2026-04-27 02:17:46

○A218.5.74.2372007-11-17 → 2007-11-17 · 3 obs

● 2007-11-17 22:32:18
○ 2015-06-27 02:25:14
○ 2026-04-27 02:17:46

●CNAMEmail.qq.com2015-06-27 → 2026-04-27 · 3 obs

○ 2007-11-17 22:32:18
● 2015-06-27 02:25:14
● 2026-04-27 02:17:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classme.net	ns1.cnolnic.com, ns2.cnolnic.com	-

✅ Authoritative Response

Server:180.76.132.118

NS records: ns1.cnolnic.com, ns2.cnolnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classme.net (unsigned zone)

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.qq.com`

Analysis

Name Servers

mail.classme.net is delegated to four name servers: ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.classme.net at least partially shares name servers with other domains, for example s8.url.cn, zhishu.tencent.com, mvs.qq.com, 1127233659.qq.com and smtpbg215.qq.com.

these name servers commonly pair with ns1.qq.com, ns2.qq.com, ns3.qq.com and ns4.qq.com.

Host names with eight IP numbers:

The host name ns-os1.qq.com points to: 2402:4e00:111:ff4::3, 43.129.131.16, 43.130.172.23, 43.134.249.23, 43.159.167.10, 43.159.167.133, 43.166.55.3 and 203.205.220.26.

Host names with four IP numbers:

The host name ns-cmn1.qq.com points to: 2402:4e00:111:ff4::3, 42.187.235.2, 43.140.54.204 and 43.142.212.27.

The host name ns-cnc1.qq.com points to: 240e:e1:aa00:2002::3, 61.135.196.2, 140.207.180.96 and 157.255.6.102.

The host name ns-tel1.qq.com points to: 240e:e1:aa00:2002::3, 14.116.238.220, 49.7.250.139 and 101.227.161.254.

Host names that point to 2402:4e00:111:ff4::3 : ns-os1.qq.com and ns-cmn1.qq.com.

Host names that point to 240e:e1:aa00:2002::3 : ns-cnc1.qq.com and ns-tel1.qq.com.

mail.classme.net - robtex.com

mail.classme.net

classme.net