szfirstline.com - robtex.com
szfirstline.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 | ||||||
Subdomains
www.szfirstline.com |
Same first word
szfirstline.com |
DNS History
5 records (4 active, 1 former)
●NSdns23.hichina.com2015-07-12 → 2026-03-23 · 2 obs
● 2026-03-23 22:40:58
●NSdns24.hichina.com2015-07-12 → 2026-03-23 · 2 obs
● 2026-03-23 22:40:58
○A121.42.120.662015-07-12 → 2017-02-10 · 4 obs
● 2017-02-10 03:08:50
○ 2020-01-17 03:01:50
○ 2026-03-23 22:40:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| szfirstline.com | dns23.hichina.com, dns24.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns23.hichina.com, dns24.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for szfirstline.com (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns23.hichina.com, dns24.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | dns23.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)
Analysis
Hierarchy
szfirstline.com is the parent of www.szfirstline.com.
Name Servers
szfirstline.com is delegated to two name servers dns23.hichina.com and dns24.hichina.com.
szfirstline.com shares the same name server setup as other domains, for instance syousoft.com, tt0.com, guooni.com, gotohome.cn and tanma.cn.
szfirstline.com shares at least some name servers with other domains, for example bbcy.cn, prettylove.com and lbqm.com.
Host names with nine IP numbers:
dns23.hichina.com points to: 2408:4009:501::31, 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.
dns24.hichina.com points to: 2408:4009:501::32, 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.
Mail Servers
Two mail servers handle szfirstline.com: mxbiz1.qq.com and mxbiz2.qq.com.
szfirstline.com shares the same mail server setup as other domains, for instance panlap.com, xp-motor.com.cn, app1e.com, jujin.com and extruder-cn.com.
szfirstline.com shares some mail servers with other domains, at least partially, for instance dainan.com, caidiechem.com, amst.cn, ukup.cn and swisssmi.ch.
Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.
Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191.
Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.