mail.lets.com - dns.ninja

mail.lets.com

CNAMEexmail.qq.com
DNSSEC⚠️ Not signed
NSns-cmn1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A42.187.235.2🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network
A43.140.54.204🇨🇳 TENCENT-NET-AP43.140.0.0/18 Tencent Cloud Computing (Beijing) Co., Ltd 309 West Zone, 3F. 49 Zhichun Road. Haidian District.
A43.142.212.27🇨🇳 TENCENT-NET-AP43.142.192.0/18
NSns-cnc1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A61.135.196.2🇨🇳 CHINA169-BJ61.135.196.0/24
A140.207.180.96🇨🇳 UNICOM-SHFT-IDC140.207.180.0/24 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A157.255.6.102🇨🇳 UNICOM-GuangZhou-IDC157.255.6.0/24
NSns-os1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A43.129.131.16🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20
A43.130.172.23🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.134.249.23🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.10🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.133🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.166.55.3🇸🇬 TENCENT-NET-AP-CN43.166.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A203.205.220.26🇭🇰 TENCENT-NET-AP-CN203.205.220.0/23 Proxy-registered route object
NSns-tel1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A14.116.238.220🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network
A49.7.250.139🇨🇳 CHINA-149.7.192.0/18 China Telecom Beijing Co. Ltd.
A101.227.161.254🇨🇳 SHANGHAITELECOM101.227.161.0/24 SHIDC

lets.com

DNSSEC⚠️ Not signed
A218.104.143.189🇨🇳 CHINA169-Backbone218.104.128.0/20 CNCGroup CHINA169 FuJian province network
NSdns7.hichina.com ⭐
NSdns8.hichina.com
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(20)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns7.hichina.comhostmaster@hichina.com 2026-06-04 #13
rank #727297 globally
rank #316075 in the tld

Previously MX for

lets.com

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DNS History

2 records (1 active, 1 former)

2008201020122014201620182020202220242026A61.250.152.242CNAMEexmail.qq.com
○A61.250.152.2422007-11-25 → 2007-11-25 · 3 obs
● 2007-11-25 07:41:54
○ 2015-10-17 07:43:30
○ 2026-07-04 23:24:26
●CNAMEexmail.qq.com2026-07-04 → 2026-07-04 · 1 obs
● 2026-07-04 23:24:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...-
lets.comdns7.hichina.com, dns8.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lets.com (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1exmail.qq.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)

Analysis

Name Servers

mail.lets.com has four authoritative name servers: ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.lets.com has at least partial name server overlap with other domains, such as tt.qq.com, mxbiz5.qq.com, 424259818.qzone.qq.com and two others.

It is common to find these name servers paired with the name servers ns1.qq.com, ns2.qq.com, ns3.qq.com and ns4.qq.com.

Host names with 8 IP numbers:

ns-os1.qq.com points to 43.129.131.16, 43.130.172.23, 43.134.249.23 and 5 other IP addresses.

Host names resolving to four IP addresses:

ns-cmn1.qq.com has four IP addresses: 42.187.235.2, 43.140.54.204, 43.142.212.27 and 2402:4e00:111:ff4::3.

ns-cnc1.qq.com has four IP addresses: 61.135.196.2, 140.207.180.96, 157.255.6.102 and 240e:e1:aa00:2002::3.

ns-tel1.qq.com has four IP addresses: 14.116.238.220, 49.7.250.139, 101.227.161.254 and 240e:e1:aa00:2002::3.

The host names ns-os1.qq.com and ns-cmn1.qq.com both resolve to 2402:4e00:111:ff4::3 IP addresses.

The host names ns-cnc1.qq.com and ns-tel1.qq.com both resolve to 240e:e1:aa00:2002::3 IP addresses.