firstplusedu.com - robtex.com
firstplusedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.148.244.112🇭🇰 AS401696103.148.244.0/23 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| PTR | ip-47-97-51-45.defastlink.net | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| PTR | ip-47-97-51-45.defastlink.net | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-27-251.defastlink.net | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ip-162-159-48-223.defastlink.net | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1773068276 | ||||||
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 | ||||||
DNS History
9 records (5 active, 4 former)
○NSf1g1ns1.dnspod.net2017-09-08 → 2017-09-08 · 2 obs
○ 2026-03-15 03:33:08
○NSf1g1ns2.dnspod.net2017-09-08 → 2017-09-08 · 2 obs
○ 2026-03-15 03:33:08
●NSns1.julydns.com2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 03:33:08
●NSns2.julydns.com2026-03-15 → 2026-03-15 · 2 obs
● 2026-03-15 03:33:08
●A103.148.244.1122026-03-15 → 2026-03-15 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstplusedu.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server: 47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstplusedu.com (unsigned zone)
⏱️ Timing
Total: 512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.148.244.112 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
firstplusedu.com points to IP number 103.148.244.112.
For instance, other host names redbussecondarydns.waterindustryonline.com, beginsstudio.com, zhuoyue369.com, goldenetbj.com and zt-eco.com share IP numbers with firstplusedu.com.
Name Servers
firstplusedu.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
firstplusedu.com shares name servers with other domains at least partially, for example splg.cn, njhmh.com, shju.cn, greatamericantrain.com and qunfangqb.com.
Host names with one IP number:
ns1.judns.com points to 47.97.51.45
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 47.97.51.45
ns2.julydns.com points to 162.159.48.223
Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com