nullmx.linkcin.com - dns.ninja
nullmx.linkcin.com
| CNAME | expired.hichina.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.218.208.240🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 47.76.127.217🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| A | 47.91.170.222🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud | ||||||
| NS | ns1.alidns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2408:4009:501::1🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.45🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.55🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.205🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.215🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.45🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.55🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.115🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.125🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns2.alidns.com ⚠️ Not in parent delegation | ||||||
| A | 2408:4009:501::2🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.46🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.56🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.206🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.216🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.46🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.56🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.116🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.126🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | ns1.alidns.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
linkcin.com
| CNAME | expired.hichina.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.218.208.240🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 47.76.127.217🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| A | 47.91.170.222🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud | ||||||
| NS | ns1.alidns.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns2.alidns.com ⚠️ Not in parent delegation | ||||||
| SOA | ns1.alidns.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
Previously MX for
Same first word
DNS History
5 records (1 active, 4 former)
○NSns1.afternic.com2026-03-25 → 2026-04-30 · 4 obs
● 2026-04-30 20:37:08
○ 2026-06-14 05:11:22
○ 2026-06-14 05:11:24
○NSns2.afternic.com2026-03-25 → 2026-04-30 · 4 obs
● 2026-04-30 20:37:08
○ 2026-06-14 05:11:22
○ 2026-06-14 05:11:24
○A13.248.169.482026-03-25 → 2026-04-30 · 4 obs
● 2026-04-30 20:37:08
○ 2026-06-14 05:11:22
○ 2026-06-14 05:11:24
○A76.223.54.1462026-03-25 → 2026-04-30 · 4 obs
● 2026-04-30 20:37:08
○ 2026-06-14 05:11:22
○ 2026-06-14 05:11:24
●CNAMEexpired.hichina.com2026-06-14 → 2026-06-14 · 2 obs
● 2026-06-14 05:11:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| linkcin.com | expirens3.hichina.com, expirens4.hichina.com | 18 records |
✅ Authoritative Response
Server:47.118.199.192
NS records: expirens3.hichina.com, expirens4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linkcin.com (unsigned zone)
⏱️ Timing
Total: 3840ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | expired.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)
Analysis
IP Addresses
nullmx.linkcin.com directs to three IP numbers: 8.218.208.240, 47.76.127.217 and 47.91.170.222.
Other host names, for instance ynycpx.com, mc.hi.cn and expired.hichina.com share IP numbers with nullmx.linkcin.com.
Name Servers
nullmx.linkcin.com is served by two delegated name servers, ns1.alidns.com and ns2.alidns.com.
nullmx.linkcin.com has the same name server delegation as a number of other domains, such as 183f31fac1011.beer, xn--ckszv067n.com, songhaoyun.com and two more.
There is at least partial name server overlap between nullmx.linkcin.com and other domains — cfuramem.cn, renrenl.com, meedoo.com and two more among them.
These name servers regularly appear alongside ns7.alidns.com, ns8.alidns.com, ns3.afternic.com and 7 other name servers in NS record sets.
Host names resolving to 9 IP numbers:
ns1.alidns.com carries IP addresses 39.96.153.45, 39.96.153.55 and 47.118.199.205, with 6 other addresses beyond those.
ns2.alidns.com carries IP addresses 39.96.153.46, 39.96.153.56 and 47.118.199.206, with 6 other addresses beyond those.