firstline56.com - robtex.com
firstline56.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 | ||||||
Same first word
firstline56.com |
DNS History
5 records (5 active, 0 former)
●NSdns17.hichina.com2018-06-12 → 2026-03-23 · 2 obs
● 2026-03-23 13:14:10
●NSdns18.hichina.com2018-06-12 → 2026-03-23 · 2 obs
● 2026-03-23 13:14:10
●A103.120.80.2492026-02-25 → 2026-03-23 · 2 obs
● 2026-03-23 13:14:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net... | - |
| firstline56.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.38
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstline56.com (unsigned zone)
⏱️ Timing
Total: 3749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.120.80.249 |
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| 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...)
Analysis
IP Addresses
firstline56.com resolves to one IP number: 103.120.80.249.
other host names including yf-crystal.com, uplasdg.com, atele.cn, bigjump.cn and tianleze.com share IP numbers with firstline56.com.
Name Servers
firstline56.com is delegated to two name servers dns17.hichina.com and dns18.hichina.com.
firstline56.com shares the same name server setup as other domains, for instance pandaland.cn, ggkf.com, opsjuas.shop, dn-ups.com and sigang.com.
firstline56.com at least partially shares name servers with other domains, for instance cro.cn, gdgc.net, signin.cn, efenlei.net and nassoft.net.
These name servers are commonly used alongside ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
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.
Mail Servers
Two mail servers handle firstline56.com: mxbiz1.qq.com and mxbiz2.qq.com.
firstline56.com shares the same mail server setup as other domains, for instance sxzyyz.com, rainbowsystem.cn, baibaomen.com, hsbunker.com and rpcx.io.
firstline56.com shares at least some mail servers with other domains, including qihongju.com, sx-sonic.com, yellowsea.org and kumogu.com.
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.