engineopt.com - dns.ninja
engineopt.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns7.hichina.com ⭐ | ||||||
| A | 2408:4009:501::15🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 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 | 139.224.142.123🇨🇳 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 | dns8.hichina.com | ||||||
| A | 2408:4009:501::16🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 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 | 139.224.142.124🇨🇳 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 | mx01.mail.alibaba.com ⭐ | ||||||
| A | 106.11.232.132🇨🇳 Alibaba-Cloud106.11.224.0/19 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mx1.qiye.aliyun.com ⭐ | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mx02.mail.alibaba.com(10) | ||||||
| A | 106.11.226.174🇨🇳 Alibaba-Cloud106.11.224.0/19 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mx2.qiye.aliyun.com(10) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| MX | mx3.qiye.aliyun.com(15) | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | ||||||
| SOA | dns7.hichina.comhostmaster@hichina.com 2026-08-18 #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=1794355776 | ||||||
Subdomains
mail.engineopt.com |
Same first word
engineopt.com |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSdns7.hichina.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●NSdns8.hichina.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●MXmx01.mail.alibaba.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●MXmx02.mail.alibaba.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●MXmx1.qiye.aliyun.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●MXmx2.qiye.aliyun.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
●MXmx3.qiye.aliyun.com2026-10-02 → 2026-11-11 · 2 obs
● 2026-11-11 00:12:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| engineopt.com | dns7.hichina.com, dns8.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 719ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns7.hichina.com, dns8.hichina.com |
| MX | 5 | mx02.mail.alibaba.com (pri: 10), mx01.mail.alibaba.com (pri: 5)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)
Analysis
Hierarchy
engineopt.com is the parent zone for mail.engineopt.com.
Name Servers
Two name servers handle the delegation for engineopt.com: dns7.hichina.com and dns8.hichina.com.
The name server configuration of engineopt.com is shared with other domains, for instance p4x.cn, maixinpackingtech.com, iswanye.cn and two others.
engineopt.com partially shares its NS delegation with several other domains, including rebu.me, zhzcmy.cn, gamehub3d.top and two others.
These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.
Hosts with 9 IP addresses each:
dns7.hichina.com resolves to 39.96.153.43, 39.96.153.63 and 47.118.199.203 among others, with 6 other IP addresses in total.
dns8.hichina.com resolves to 39.96.153.44, 39.96.153.54 and 47.118.199.204 among others, with 6 other IP addresses in total.
Mail Servers
engineopt.com is handled by five mail servers: mx01.mail.alibaba.com, mx02.mail.alibaba.com, mx1.qiye.aliyun.com and two others.
At least some of the mail servers used by engineopt.com are shared with other domains: gyangtoys.com, sagevoltglobal.com, 637205.xyz and two others among them.
These mail servers often appear in conjunction with the mail servers mx3.qiye.aliyun.com, mx2.qiye.aliyun.com, mxn.mxhichina.com and mxw.mxhichina.com.
Host names pointing to two IP addresses:
mx3.qiye.aliyun.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.
Host names resolving to a single IP address:
The hostname mx01.mail.alibaba.com resolves to 106.11.232.132.
The hostname mx02.mail.alibaba.com resolves to 106.11.226.174.
The hostname mx1.qiye.aliyun.com resolves to 47.246.137.47.
The hostname mx2.qiye.aliyun.com resolves to 47.246.136.231.
mx3.qiye.aliyun.com along with mx2.qiye.aliyun.com each resolve to 47.246.136.231 IP addresses.
mx3.qiye.aliyun.com along with mx1.qiye.aliyun.com each resolve to 47.246.137.47 IP addresses.