stmicroelectronics.net - robtex.com
stmicroelectronics.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | delta.dmz-eu.st.com ⭐ | ||||||
| A | 164.129.1.37Verizon-dual-homed-customers164.129.0.0/16 | ||||||
| PTR | delta.dmz-eu.st.com | ||||||
| NS | delta.dmz-ap.st.com | ||||||
| A | 138.198.100.37🇬🇧 UUNET-JP-AP138.198.0.0/16 | ||||||
| PTR | delta.dmz-ap.st.com | ||||||
| NS | delta.dmz-us.st.com | ||||||
| A | 167.4.1.37🇺🇸 AS7046167.4.0.0/16 STMicroelectronics | ||||||
| PTR | delta.dmz-us.st.com | ||||||
| MX | st-com.mail.protection.outlook.com ⭐ | ||||||
| A | 52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-db4pr02cu00400.inbound.protection.outlook.com | ||||||
| A | 52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-db4pr02cu00302.inbound.protection.outlook.com | ||||||
| A | 52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-db4pr02cu00205.inbound.protection.outlook.com | ||||||
| A | 52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-am7pr05cu00106.inbound.protection.outlook.com | ||||||
| TXT | v=spf1 ip4:164.129.1.35 -all | ||||||
| SOA | delta.dmz-eu.st.comdnsmaster@st.com 2014-03-21 #28 | ||||||
net
| 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=1778355351 | ||||||
Subdomains
www.stmicroelectronics.net |
Same first word
DNS History
6 records (4 active, 2 former)
●NSdelta.dmz-ap.st.com2015-08-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:34
●NSdelta.dmz-eu.st.com2015-08-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:34
●NSdelta.dmz-us.st.com2015-08-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:34
○MXmxa-00178001.gslb.pphosted.com2015-08-09 → 2017-03-29 · 4 obs
● 2017-03-29 13:19:24
○ 2026-04-14 10:06:00
○ 2026-05-09 19:44:34
○MXmxb-00178001.gslb.pphosted.com2015-08-09 → 2017-03-29 · 4 obs
● 2017-03-29 13:19:24
○ 2026-04-14 10:06:00
○ 2026-05-09 19:44:34
●MXst-com.mail.protection.outlook.com2026-04-14 → 2026-05-09 · 3 obs
● 2026-04-14 10:06:00
● 2026-05-09 19:44:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | e.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net... | - |
| stmicroelectronics.net | delta.dmz-us.st.com, delta.dmz-ap.st.com, delta.dmz-eu.st.com | - |
✅ Authoritative Response
Server:167.4.1.37
NS records: delta.dmz-us.st.com, delta.dmz-ap.st.com, delta.dmz-eu.st.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stmicroelectronics.net (unsigned zone)
⏱️ Timing
Total: 662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | delta.dmz-ap.st.com, delta.dmz-eu.st.com... |
| MX | 1 | st-com.mail.protection.outlook.com (pri: |
| TXT | 1 | v=spf1 ip4:164.129.1.35 -all |
| SOA | 1 | delta.dmz-eu.st.com dnsmaster.st.com |
Analysis
Hierarchy
stmicroelectronics.net is the parent of www.stmicroelectronics.net.
Name Servers
stmicroelectronics.net is delegated to three name servers: delta.dmz-ap.st.com, delta.dmz-eu.st.com and delta.dmz-us.st.com.
stmicroelectronics.net at least partially shares name servers with other domains, including st-microelectronics.ma, pepite.info, 198.138.in-addr.arpa, stm.mx and 2.129.164.in-addr.arpa.
These name servers are commonly used with the name servers a2-66.akam.neta5-64.akam.neta8-66.akam.neta9-65.akam.neta1-23.akam.net and a28-66.akam.net.
Hostnames with a single IP:
delta.dmz-ap.st.com points to: 138.198.100.37.
delta.dmz-eu.st.com points to: 164.129.1.37.
delta.dmz-us.st.com points to: 167.4.1.37.
Mail Servers
stmicroelectronics.net is handled by a single mail server, st-com.mail.protection.outlook.com.
stmicroelectronics.net shares its mail server setup with other domains, including stmicro.ru, st-microelectronics.ru, st.com, psdst.com and stmicroelectronics.cn.
Host st-com.mail.protection.outlook.com resolves to four IPs: 52.101.68.16, 52.101.68.18, 52.101.68.21 and 52.101.73.22.