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 | ||||||
Same first word
firstplusedu.com |
DNS History
9 records (5 active, 4 former)
○NSf1g1ns1.dnspod.net2017-09-08 → 2017-09-08 · 3 obs
○ 2026-03-15 03:33:08
○ 2026-03-18 19:06:16
○NSf1g1ns2.dnspod.net2017-09-08 → 2017-09-08 · 3 obs
○ 2026-03-15 03:33:08
○ 2026-03-18 19:06:16
●NSns1.judns.com2026-03-15 → 2026-03-18 · 3 obs
● 2026-03-15 03:33:08
● 2026-03-18 19:06:16
●NSns1.julydns.com2026-03-15 → 2026-03-18 · 3 obs
● 2026-03-15 03:33:08
● 2026-03-18 19:06:16
●NSns2.judns.com2026-03-15 → 2026-03-18 · 3 obs
● 2026-03-15 03:33:08
● 2026-03-18 19:06:16
●NSns2.julydns.com2026-03-15 → 2026-03-18 · 3 obs
● 2026-03-15 03:33:08
● 2026-03-18 19:06:16
○MXmxbiz1.qq.com2017-09-08 → 2017-09-08 · 3 obs
○ 2026-03-15 03:33:08
○ 2026-03-18 19:06:16
○MXmxbiz2.qq.com2017-09-08 → 2017-09-08 · 3 obs
○ 2026-03-15 03:33:08
○ 2026-03-18 19:06:16
●A103.148.244.1122026-03-15 → 2026-03-18 · 2 obs
● 2026-03-18 19:06:16
🔍 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: 162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstplusedu.com (unsigned zone)
⏱️ Timing
Total: 312ms | 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 hengtaiwenhua.com, redbussecondarydns.waterindustryonline.com, beginsstudio.com, zhuoyue369.com and goldenetbj.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