stmicroelectronics.org - dns.ninja
stmicroelectronics.org
| 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 | 52.101.68.8🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-du0pr03cu00100.inbound.protection.outlook.com | ||||||
| A | 52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-dbbpr03cu00102.inbound.protection.outlook.com | ||||||
| A | 52.101.68.12🇮🇪 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-db9pr02cu00204.inbound.protection.outlook.com | ||||||
| A | 52.101.73.30🇳🇱 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-am7pr05cu00306.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 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784555251 | ||||||
Same first word
stmicroelectronics.com.cn |
stmicroelectronics.org |
stmicroelectronics.us |
stmicroelectronics.com |
stmicroelectronics.co.it |
stmicroelectronics.ru |
stmicroelectronics.tn |
stmicroelectronics.it |
DNS History
6 records (4 active, 2 former)
●NSdelta.dmz-ap.st.com2015-07-16 → 2026-07-20 · 2 obs
● 2026-07-20 14:14:34
●NSdelta.dmz-eu.st.com2015-07-16 → 2026-07-20 · 2 obs
● 2026-07-20 14:14:34
●NSdelta.dmz-us.st.com2015-07-16 → 2026-07-20 · 2 obs
● 2026-07-20 14:14:34
○MXmxa-00178001.gslb.pphosted.com2015-07-16 → 2017-05-12 · 4 obs
● 2017-05-12 18:08:46
○ 2026-06-23 11:26:46
○ 2026-07-20 14:14:34
○MXmxb-00178001.gslb.pphosted.com2015-07-16 → 2017-05-12 · 4 obs
● 2017-05-12 18:08:46
○ 2026-06-23 11:26:46
○ 2026-07-20 14:14:34
●MXst-com.mail.protection.outlook.com2026-07-17 → 2026-07-20 · 3 obs
● 2026-07-17 03:51:06
● 2026-07-20 14:14:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| stmicroelectronics.org | delta.dmz-ap.st.com, delta.dmz-eu.st.com, delta.dmz-us.st.com | - |
✅ Authoritative Response
Server:167.4.1.37
NS records: delta.dmz-ap.st.com, delta.dmz-eu.st.com, delta.dmz-us.st.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stmicroelectronics.org (unsigned zone)
⏱️ Timing
Total: 1469ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | delta.dmz-eu.st.com, delta.dmz-us.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
Name Servers
The authoritative name servers for stmicroelectronics.org are delta.dmz-ap.st.com, delta.dmz-eu.st.com and delta.dmz-us.st.com — three in total.
stmicroelectronics.org shares at least some of its name servers with other domains, including stworldwide.us, 4.167.in-addr.arpa, dmz-eu.st.com and two others.
These name servers are frequently seen alongside a5-64.akam.net, a2-66.akam.net, a8-66.akam.net and 3 other name servers.
The hostnames delta.dmz-ap.st.com, delta.dmz-eu.st.com and delta.dmz-us.st.com each resolve to a single IP: delta.dmz-ap.st.com → 138.198.100.37, delta.dmz-eu.st.com → 164.129.1.37, delta.dmz-us.st.com → 167.4.1.37.
Mail Servers
stmicroelectronics.org uses one mail server — st-com.mail.protection.outlook.com.
The mail server setup of stmicroelectronics.org matches that of other domains such as st.com, psdst.com, st-microelectronics.co.it and two others.
st-com.mail.protection.outlook.com points to four IP addresses: 52.101.68.8, 52.101.68.10, 52.101.68.12 and 52.101.73.30.