std-op-sys.com - robtex.com
std-op-sys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.247.40.165🇺🇸 CNSERVERSLLC172.247.0.0/16 cust proxy reg | ||||||
| A | 172.247.83.167🇺🇸 CNSERVERSLLC172.247.0.0/16 cust proxy reg | ||||||
| NS | ns1.dns.com ⭐ | ||||||
| A | 2001:df2:f080:2::1:1🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.128🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.128🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dns.com | ||||||
| A | 2001:df2:f080:2::1:2🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.23.191.129🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.129🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| SOA | ns1.dns.comadmin@dns.com serial=1773137575 | ||||||
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=1782084690 | ||||||
Same first word
std-op-sys.com |
DNS History
11 records (4 active, 7 former)
○NShidden-master.yahoo.com2015-07-09 → 2017-12-11 · 4 obs
● 2017-12-11 19:42:52
○ 2026-02-26 15:48:58
○ 2026-06-21 23:46:14
●NSns1.dns.com2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 15:48:58
● 2026-06-21 23:46:14
●NSns2.dns.com2026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 15:48:58
● 2026-06-21 23:46:14
○NSyns1.yahoo.com2015-07-09 → 2017-12-11 · 4 obs
● 2017-12-11 19:42:52
○ 2026-02-26 15:48:58
○ 2026-06-21 23:46:14
○NSyns2.yahoo.com2015-07-09 → 2017-12-11 · 4 obs
● 2017-12-11 19:42:52
○ 2026-02-26 15:48:58
○ 2026-06-21 23:46:14
○MXmx-biz.mail.am0.yahoodns.net2015-07-09 → 2017-12-11 · 4 obs
● 2017-12-11 19:42:52
○ 2026-02-26 15:48:58
○ 2026-06-21 23:46:14
●A172.247.40.1652026-02-26 → 2026-06-21 · 3 obs
● 2026-02-26 15:48:58
● 2026-06-21 23:46:14
●A172.247.83.1672026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 23:46:14
○A67.195.197.762017-12-11 → 2017-12-11 · 4 obs
● 2017-12-11 19:42:52
○ 2026-02-26 15:48:58
○ 2026-06-21 23:46:14
○A98.139.135.1282015-11-16 → 2016-11-27 · 5 obs
● 2015-11-16 18:37:52
● 2016-11-27 09:44:48
○ 2017-12-11 19:42:52
○ 2026-06-21 23:46:14
○A98.139.135.1992015-07-09 → 2015-07-09 · 3 obs
○ 2015-11-16 18:37:52
○ 2026-06-21 23:46:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net... | - |
| std-op-sys.com | ns1.dns.com, ns2.dns.com | 6 records |
✅ Authoritative Response
Server:154.23.191.129
NS records: ns1.dns.com, ns2.dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for std-op-sys.com (unsigned zone)
⏱️ Timing
Total: 218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.247.40.165, 172.247.83.167 |
| NS | 2 | ns1.dns.com, ns2.dns.com |
| SOA | 1 | ns1.dns.com admin.dns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)
Analysis
IP Addresses
std-op-sys.com resolves to the IP addresses 172.247.40.165 and 172.247.83.167
Additional host names — including www.matetl.com and matetl.com — share IP numbers with std-op-sys.com.
Name Servers
std-op-sys.com uses two name servers for its delegation: ns1.dns.com and ns2.dns.com.
std-op-sys.com uses the same name servers as several other domains — among them dzwenxuan.com, 7089g.com, ggsq28.com and two more.
ns1.dns.com and ns2.dns.com each have three IP addresses — ns1.dns.com directs to 154.23.191.128, 154.86.21.128 and 2001:df2:f080:2::1:1; ns2.dns.com directs to 154.23.191.129, 154.86.21.129 and 2001:df2:f080:2::1:2.