gaoco.com - dns.ninja
gaoco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.144.100.69🇺🇸 EIGI162.144.0.0/16 Unified Layer | ||||||
| PTR | 162-144-100-69.unifiedlayer.com | ||||||
| NS | dns19.hichina.com ⭐ | ||||||
| A | 2408:4009:501::27🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns20.hichina.com | ||||||
| A | 2408:4009:501::28🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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, | ||||||
| MX | gaoco.com ⭐ | ||||||
| A | 162.144.100.69🇺🇸 EIGI162.144.0.0/16 Unified Layer | ||||||
| PTR | 162-144-100-69.unifiedlayer.com | ||||||
| SOA | dns19.hichina.comhostmaster@hichina.com 2026-06-04 #13 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786035279 | ||||||
MX for
gaoco.com |
Subdomains
nullmx.gaoco.com |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSdns19.hichina.com2026-02-19 → 2026-08-06 · 3 obs
● 2026-02-19 21:30:30
● 2026-08-06 17:22:30
●NSdns20.hichina.com2026-02-19 → 2026-08-06 · 3 obs
● 2026-02-19 21:30:30
● 2026-08-06 17:22:30
○NSns1.dnslink.com2015-08-26 → 2017-09-18 · 5 obs
● 2015-08-26 02:13:26
● 2017-09-18 02:32:28
○ 2026-02-19 21:30:30
○ 2026-08-06 17:22:30
○NSns2.dnslink.com2015-08-26 → 2017-09-18 · 5 obs
● 2015-08-26 02:13:26
● 2017-09-18 02:32:28
○ 2026-02-19 21:30:30
○ 2026-08-06 17:22:30
●MXgaoco.com2026-02-19 → 2026-08-06 · 3 obs
● 2026-02-19 21:30:30
● 2026-08-06 17:22:30
○MXmail.b-io.co2015-08-26 → 2017-09-18 · 5 obs
● 2015-08-26 02:13:26
● 2017-09-18 02:32:28
○ 2026-02-19 21:30:30
○ 2026-08-06 17:22:30
○MXnullmx.gaoco.com2008-03-17 → 2008-03-17 · 3 obs
○ 2015-08-26 02:13:26
○ 2026-08-06 17:22:30
●A162.144.100.692026-02-19 → 2026-08-06 · 3 obs
● 2026-02-19 21:30:30
● 2026-08-06 17:22:30
○A209.15.13.1342015-08-26 → 2017-09-18 · 5 obs
● 2015-08-26 02:13:26
● 2017-09-18 02:32:28
○ 2026-02-19 21:30:30
○ 2026-08-06 17:22:30
○A217.68.70.692008-03-17 → 2008-03-17 · 3 obs
○ 2015-08-26 02:13:26
○ 2026-08-06 17:22:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gaoco.com | dns19.hichina.com, dns20.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.38
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gaoco.com (unsigned zone)
⏱️ Timing
Total: 3633ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.144.100.69 |
| NS | 2 | dns19.hichina.com, dns20.hichina.com |
| MX | 1 | gaoco.com (pri: 10) |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)
Analysis
Hierarchy
gaoco.com is the parent zone for nullmx.gaoco.com.
Mail Server Role
gaoco.com acts as its own mail server.
IP Addresses
gaoco.com points to a single IP number: 162.144.100.69.
Other host names, such as nullmx.gaoco.com, share IP numbers with gaoco.com.
Name Servers
gaoco.com is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.
gaoco.com shares its name server setup with other domains, including useoj.com, dzrmj.com, ypfj.com and two others.
gaoco.com partially shares its NS delegation with several other domains, including yunhdf.com, vanbin.com, jlc-erp.com and two others.
The name servers ns1.alidns.com, expirens3.hichina.com, expirens4.hichina.com and ns2.alidns.com are often found in use alongside these name servers.
Host names with 9 IP numbers:
dns19.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.
dns20.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.
Mail Servers
gaoco.com has a single mail server: gaoco.com itself.
gaoco.com resolves to a single IP number: 162.144.100.69.