z2sci.com - robtex.com
z2sci.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=1771291435 | ||||||
Previously MX for
z2sci.com |
Subdomains
mail.z2sci.com |
Same first word
z2sci.com |
DNS History
7 records (5 active, 2 former)
●NSdns15.hichina.com2008-03-08 → 2026-03-24 · 2 obs
● 2026-03-24 03:55:32
●NSdns16.hichina.com2008-03-08 → 2026-03-24 · 2 obs
● 2026-03-24 03:55:32
●MXmail.z2sci.com2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 03:43:52
● 2026-03-24 03:55:32
○MXz2sci.com2015-08-01 → 2019-02-22 · 5 obs
● 2015-08-01 07:02:22
● 2019-02-22 06:33:40
○ 2026-02-23 03:43:52
○ 2026-03-24 03:55:32
●A124.205.110.2492015-08-01 → 2026-03-24 · 3 obs
● 2015-08-01 07:02:22
● 2026-03-24 03:55:32
○A218.241.192.1182008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-01 07:02:22
○ 2026-03-24 03:55:32
●A8.140.248.2522026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 03:43:52
● 2026-03-24 03:55:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| z2sci.com | dns15.hichina.com, dns16.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for z2sci.com (unsigned zone)
⏱️ Timing
Total: 860ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 8.140.248.252, 124.205.110.249 |
| NS | 2 | dns15.hichina.com, dns16.hichina.com |
| MX | 1 | mail.z2sci.com (pri: 10) |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)
Analysis
Hierarchy
z2sci.com is a parent of mail.z2sci.com.
IP Addresses
z2sci.com points to two IP numbers: 8.140.248.252 and 124.205.110.249.
Other host names, for instance mail.z2sci.com, share IP numbers with z2sci.com.
Name Servers
Delegation for z2sci.com rests with two name servers, dns15.hichina.com and dns16.hichina.com.
z2sci.com shares the same name server setup as other domains, including tuoweihai.com, avenger.cn, symyjh.com, 1tuzi.com and 28sc.cn.
z2sci.com partially shares name servers with other domains; for instance 2223333.com and chinaoldpeople.com.
Host names with nine IP numbers:
dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
z2sci.com is handled by a single mail server, mail.z2sci.com.
mail.z2sci.com points to a single IP: 124.205.110.249.