mail.itcode.net - dns.ninja

mail.itcode.net

CNAMEmail.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
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

itcode.net

DNSSEC⚠️ Not signed
A103.254.149.182🇭🇰 SONDERCLOUD-1103.254.149.0/24 Hcunit Network
NSf1g1ns1.dnspod.net ⭐
NSf1g1ns2.dnspod.net
MXmxdomain.qq.com ⭐
SOAf1g1ns1.dnspod.netfreednsadmin@dnspod.com serial=1451325781

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A103.7.30.100203.205.128.111CNAMEmail.qq.com
○A103.7.30.1002015-08-20 → 2016-04-10 · 4 obs
● 2015-08-20 18:47:40
● 2016-04-10 03:18:48
○ 2026-04-28 05:27:48
○ 2026-07-29 01:27:40
○A203.205.128.1112015-08-20 → 2016-04-10 · 4 obs
● 2015-08-20 18:47:40
● 2016-04-10 03:18:48
○ 2026-04-28 05:27:48
○ 2026-07-29 01:27:40
●CNAMEmail.qq.com2015-08-20 → 2026-07-29 · 5 obs
● 2015-08-20 18:47:40
● 2026-06-11 02:14:26
○ 2026-06-12 16:08:16
● 2026-06-14 00:02:48
● 2026-07-29 01:27:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neth.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...-
itcode.netf1g1ns1.dnspod.net, f1g1ns2.dnspod.net15 records

✅ Authoritative Response

Server:1.12.0.1

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itcode.net (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1mail.qq.com

📌 Glue Records Collected

Total: 15

Out-of-bailiwick: 15 (f1g1ns1.dnspod.net, f1g1ns1.dnspod.net, f1g1ns1.dnspod.net...)

Analysis

Name Servers

The authoritative name servers for mail.itcode.net are ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.itcode.net has at least partial name server overlap with other domains, such as wode.qq.com, shgwww.qq.com, 394339689.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.

Hostnames that resolve to 8 IP addresses:

ns-os1.qq.com carries IP addresses 43.129.131.16, 43.130.172.23 and 43.134.249.23, with 5 other addresses beyond those.

Hosts that point to four IP numbers:

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.

These two host names — ns-os1.qq.com and ns-cmn1.qq.com — each point to 2402:4e00:111:ff4::3 IP addresses.

These two host names — ns-cnc1.qq.com and ns-tel1.qq.com — each point to 240e:e1:aa00:2002::3 IP addresses.