sigmaxtech.com - robtex.com
sigmaxtech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.249.207.211🇭🇰 CTGSERVERLIMITED-AS-AP43.249.207.0/24 AppsBox Limited Flat 301, Trans Asia Ctr, Kwai Chung | ||||||
| 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=1766980774 | ||||||
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
mail.sigmaxtech.com |
Same first word
sigmaxtech.com |
DNS History
13 records (5 active, 8 former)
○NSdns13.hichina.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 14:35:12
○ 2026-03-21 15:11:36
○ 2026-03-24 01:20:36
○NSdns14.hichina.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 14:35:12
○ 2026-03-21 15:11:36
○ 2026-03-24 01:20:36
●NSns1.judns.com2026-03-21 → 2026-03-24 · 3 obs
● 2026-03-21 15:11:36
● 2026-03-24 01:20:36
●NSns1.julydns.com2026-03-21 → 2026-03-24 · 3 obs
● 2026-03-21 15:11:36
● 2026-03-24 01:20:36
●NSns2.judns.com2026-03-21 → 2026-03-24 · 3 obs
● 2026-03-21 15:11:36
● 2026-03-24 01:20:36
●NSns2.julydns.com2026-03-21 → 2026-03-24 · 3 obs
● 2026-03-21 15:11:36
● 2026-03-24 01:20:36
○NSpdns01.domaincontrol.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 19:39:20
○ 2017-03-22 08:43:24
○ 2026-03-24 01:20:36
○NSpdns02.domaincontrol.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 19:39:20
○ 2017-03-22 08:43:24
○ 2026-03-24 01:20:36
○MXmail.sigmaxtech.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 19:39:20
○ 2017-03-22 08:43:24
○ 2026-03-24 01:20:36
○MXmxbiz1.qq.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 14:35:12
○ 2026-03-21 15:11:36
○ 2026-03-24 01:20:36
○MXmxbiz2.qq.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 14:35:12
○ 2026-03-21 15:11:36
○ 2026-03-24 01:20:36
○A173.11.236.1292015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 19:39:20
○ 2017-03-22 08:43:24
○ 2026-03-24 01:20:36
●A43.249.207.2112026-03-21 → 2026-03-24 · 3 obs
● 2026-03-21 15:11:36
● 2026-03-24 01:20:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sigmaxtech.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 sigmaxtech.com (unsigned zone)
⏱️ Timing
Total: 3374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.249.207.211 |
| 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
Hierarchy
sigmaxtech.com is the parent of mail.sigmaxtech.com.
IP Addresses
sigmaxtech.com points to IP number 43.249.207.211.
For instance, other host names mail.aafow.com, cloud.suisz.com, chinaapp.suisz.com, lkeea.fuhehr.com and 113750.com share IP numbers with sigmaxtech.com.
Name Servers
sigmaxtech.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
sigmaxtech.com shares name servers with other domains at least partially, for example qnal.cn, tocy.cn, scjqxh.com, ylxbxgjb.com and lytmax.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