`mail.3-3edu.cn`

CNAME	`exmail.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}

`3-3edu.cn`

	CNAME	`3-3edu.cn.w.kunluncan.com`
	DNSSEC	⚠️ Not signed
	A	101.89.125.71^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.72^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.73^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.74^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.75^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.76^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.77^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}
	A	101.89.125.78^{🇨🇳 SHANGHAITELECOM101.89.124.0/23 SHIDC}

MX for

3-3edu.com.cn

Same first word

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

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mail.health-carereform.com

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mail.dynns.com

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mail.(0x6c6f6c697461)punk.jp

mail.sc

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mail.company

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mail.priv.pl

mail.mw

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mail.sdscloud.pl

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DNS History

5 records (1 active, 4 former)

○MXqiye163mx01.mxmail.netease.com2015-11-14 → 2016-07-10 · 4 obs

● 2015-11-14 12:28:40
● 2016-07-10 20:42:48
○ 2026-05-08 09:26:48
○ 2026-05-09 15:04:20

○MXqiye163mx02.mxmail.netease.com2015-11-14 → 2016-07-10 · 4 obs

● 2015-11-14 12:28:40
● 2016-07-10 20:42:48
○ 2026-05-08 09:26:48
○ 2026-05-09 15:04:20

○A123.125.50.2152015-07-10 → 2016-07-10 · 4 obs

● 2015-07-10 17:30:46
● 2016-07-10 20:42:48
○ 2026-05-08 09:26:48
○ 2026-05-09 15:04:20

●CNAMEexmail.qq.com2026-05-08 → 2026-05-09 · 3 obs

○ 2016-07-10 20:42:48
● 2026-05-08 09:26:48
● 2026-05-09 15:04:20

○CNAMEqiye.163.com2015-07-10 → 2016-07-10 · 4 obs

● 2015-07-10 17:30:46
● 2016-07-10 20:42:48
○ 2026-05-08 09:26:48
○ 2026-05-09 15:04:20

🔍 DNS Trace

Analysis

Mail Server Role

mail.3-3edu.cn serves as a mail server for 3-3edu.com.cn.

Name Servers

mail.3-3edu.cn delegates to four name servers: ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.3-3edu.cn at least partially shares name servers with other domains, including imm.tencent.com, szgabm.qq.com, weixin.qq.com.cn, smtpbg17.qq.com and hyol.qq.com.

these name servers are commonly used alongside ns1.qq.com, ns2.qq.com, ns3.qq.com, ns4.qq.com, ns-open1.qq.com, ns-open2.qq.com and ns-open3.qq.com.

Eight IP numbers for host name ns-os1.qq.com: 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.

Four IP numbers for host name ns-cmn1.qq.com: 2402:4e00:111:ff4::3, 42.187.235.2, 43.140.54.204 and 43.142.212.27.

Four IP numbers for host name ns-cnc1.qq.com: 240e:e1:aa00:2002::3, 61.135.196.2, 140.207.180.96 and 157.255.6.102.

Four IP numbers for host name ns-tel1.qq.com: 240e:e1:aa00:2002::3, 14.116.238.220, 49.7.250.139 and 101.227.161.254.

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

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

mail.3-3edu.cn - robtex.com

mail.3-3edu.cn

3-3edu.cn