ljcost.com - robtex.com
ljcost.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=1784052467 | ||||||
Subdomains
mail.ljcost.com |
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
●NSns1.ynsjg.com2026-03-26 → 2026-07-14 · 3 obs
● 2026-03-26 22:40:48
● 2026-07-14 18:37:32
●NSns1.yunnandns.com2026-03-26 → 2026-07-14 · 3 obs
● 2026-03-26 22:40:48
● 2026-07-14 18:37:32
○NSns19.xincache.com2015-06-12 → 2019-03-26 · 4 obs
● 2019-03-26 00:59:22
○ 2026-03-26 22:40:48
○ 2026-07-14 18:37:32
●NSns2.ynsjg.com2026-03-26 → 2026-07-14 · 3 obs
● 2026-03-26 22:40:48
● 2026-07-14 18:37:32
●NSns2.yunnandns.com2026-03-26 → 2026-07-14 · 3 obs
● 2026-03-26 22:40:48
● 2026-07-14 18:37:32
○NSns20.xincache.com2015-06-12 → 2019-03-26 · 4 obs
● 2019-03-26 00:59:22
○ 2026-03-26 22:40:48
○ 2026-07-14 18:37:32
●NSyunnandns.com2026-03-26 → 2026-07-14 · 3 obs
● 2026-03-26 22:40:48
● 2026-07-14 18:37:32
●MXmail.ljcost.com2019-03-26 → 2026-07-14 · 3 obs
● 2019-03-26 00:59:22
● 2026-07-14 18:37:32
○MXmx.spamgateway.cn2019-03-26 → 2026-03-26 · 5 obs
● 2019-03-26 00:59:22
● 2026-03-26 22:40:48
○ 2026-06-04 08:49:44
○ 2026-07-14 18:37:32
○MXmx1.spamgateway.cn2019-03-26 → 2026-03-26 · 5 obs
● 2019-03-26 00:59:22
● 2026-03-26 22:40:48
○ 2026-06-04 08:49:44
○ 2026-07-14 18:37:32
○MXmxbiz1.qq.com2015-06-12 → 2017-02-18 · 4 obs
● 2017-02-18 06:54:34
○ 2019-03-26 00:59:22
○ 2026-07-14 18:37:32
○MXmxbiz2.qq.com2015-06-12 → 2017-02-18 · 4 obs
● 2017-02-18 06:54:34
○ 2019-03-26 00:59:22
○ 2026-07-14 18:37:32
●A116.249.14.932026-06-04 → 2026-07-14 · 3 obs
● 2026-06-04 08:49:44
● 2026-07-14 18:37:32
○A116.55.227.1472019-03-26 → 2019-03-26 · 4 obs
● 2019-03-26 00:59:22
○ 2026-03-26 22:40:48
○ 2026-07-14 18:37:32
○A116.55.227.2452015-06-12 → 2017-02-18 · 4 obs
● 2017-02-18 06:54:34
○ 2019-03-26 00:59:22
○ 2026-07-14 18:37:32
○A43.228.77.2222026-03-26 → 2026-03-26 · 4 obs
● 2026-03-26 22:40:48
○ 2026-06-04 08:49:44
○ 2026-07-14 18:37:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ljcost.com | ns1.ynsjg.com, ns2.ynsjg.com, ns1.yunnandns.com, ns2.yunnandns.com | 16 records |
✅ Authoritative Response
Server:103.47.80.233
NS records: ns1.ynsjg.com, ns2.ynsjg.com, ns1.yunnandns.com, ns2.yunnandns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ljcost.com (unsigned zone)
⏱️ Timing
Total: 569ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.249.14.93 |
| NS | 4 | ns1.ynsjg.com, ns2.yunnandns.com... |
| MX | 1 | mail.ljcost.com (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | yunnandns.com root.yunnandns.com |
📌 Glue Records Collected
Total: 16
Out-of-bailiwick: 16 (ns1.ynsjg.com, ns1.ynsjg.com, ns1.ynsjg.com...)
Analysis
Hierarchy
ljcost.com is a parent domain of mail.ljcost.com.
IP Addresses
ljcost.com resolves to just one IP address, 116.249.14.93.
There are other host names — mail.ljcost.com among them — that share IP numbers with ljcost.com.
Name Servers
ljcost.com delegates to five name servers: yunnandns.com, ns1.ynsjg.com, ns2.ynsjg.com and two others.
ljcost.com shares at least some of its name servers with other domains, including agspcb.com, junyudns.com, ynxy999.com and two others.
These name servers are frequently paired with the name servers ns1.yunnandns.com and ns2.yunnandns.com.
The hosts ns1.ynsjg.com, ns2.ynsjg.com, ns1.yunnandns.com and ns2.yunnandns.com each resolve to three IP numbers. ns1.ynsjg.com resolves to 180.163.91.55, 240e:94c:0:60b:215:5dff:fe64:7186 and 240e:94c:0:62e:215:5dff:fe4e:211a. ns2.ynsjg.com directs to 154.23.133.150, 240e:94c:0:60b:215:5dff:fe64:7186 and 240e:94c:0:62e:215:5dff:fe4e:211a. ns1.yunnandns.com directs to 154.23.133.150, 240e:94c:0:60b:215:5dff:fe64:7186 and 240e:94c:0:62e:215:5dff:fe4e:211a. ns2.yunnandns.com directs to 154.23.133.150, 240e:94c:0:60b:215:5dff:fe64:7186 and 240e:94c:0:62e:215:5dff:fe4e:211a.
These host names all point to 240e:94c:0:60b:215:5dff:fe64:7186: ns1.ynsjg.com, ns2.ynsjg.com, ns1.yunnandns.com and ns2.yunnandns.com.
These host names all point to 240e:94c:0:62e:215:5dff:fe4e:211a: ns1.ynsjg.com, ns2.ynsjg.com, ns1.yunnandns.com and ns2.yunnandns.com.
Each of ns2.ynsjg.com, ns1.yunnandns.com and ns2.yunnandns.com resolves to 154.23.133.150.
Mail Servers
The sole mail server for ljcost.com is mail.ljcost.com.
mail.ljcost.com has exactly one IP number: 116.249.14.93.