81tech.com - robtex.com
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81tech.com
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=1770918430 | ||||||
rank #460921 in the tld
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Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSdns.bizcn.com2015-07-08 → 2016-05-02 · 4 obs
● 2016-05-02 18:45:20
○ 2026-02-15 00:03:08
○ 2026-02-15 00:03:12
○NSdns.cnmsn.net2015-07-08 → 2016-02-11 · 4 obs
● 2016-02-11 07:18:58
○ 2026-02-15 00:03:08
○ 2026-02-15 00:03:12
●NSdns17.hichina.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 00:03:08
● 2026-02-15 00:03:12
●NSdns18.hichina.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 00:03:08
● 2026-02-15 00:03:12
○MXmx.qiye.163.com2015-07-08 → 2017-01-16 · 4 obs
● 2017-01-16 03:23:28
○ 2026-02-15 00:03:08
○ 2026-02-15 00:03:12
●MXmx.ym.163.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 00:03:08
● 2026-02-15 00:03:12
○MXmx2.qiye.163.com2015-07-08 → 2017-01-16 · 4 obs
● 2017-01-16 03:23:28
○ 2026-02-15 00:03:08
○ 2026-02-15 00:03:12
●A120.24.179.1792026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 00:03:08
● 2026-02-15 00:03:12
○A121.40.27.1752017-01-16 → 2017-01-16 · 4 obs
● 2017-01-16 03:23:28
○ 2026-02-15 00:03:08
○ 2026-02-15 00:03:12
○A42.120.41.1682015-07-08 → 2016-02-11 · 4 obs
● 2016-02-11 07:18:58
○ 2017-01-16 03:23:28
○ 2026-02-15 00:03:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| 81tech.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 81tech.com (unsigned zone)
⏱️ Timing
Total: 662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.24.179.179 |
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 2 | google-site-verification=4pAZEo2Ck9X_C6C, v=spf1 include:spf.163.com ~all |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
AI analysis
81tech.com is parent of bbs.81tech.com and www.81tech.com.
81tech.com resolves to a single IP address: 120.24.179.179.
Other host names, for instance 81uav.cn, share IP numbers with 81tech.com.
81tech.com's delegation uses two name servers, dns17.hichina.com and dns18.hichina.com.
81tech.com shares the same name server setup as other domains, for example duoen.cn, miaopeng.com, mcurf.com, tjjdxw.com and va46x9.com.
81tech.com partially shares its name servers with other domains, for example balena.info and 0zv.com.
dns17.hichina.com points to: 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns18.hichina.com points to: 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.
81tech.com is handled by a single mail server, mx.ym.163.com.
81tech.com shares its mail server setup with other domains, including huapukeji.com, boxin.cn, viknails.com, ewopo.com and busgg.com.
81tech.com shares some mail servers with other domains, for instance fosoto.com, miningbulletin.com, 68de.com and xingtu.com.
These mail servers are commonly used alongside hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
mx.ym.163.com points to a single IP: 111.124.200.35.