`st-microelectronics.us`

DNSSEC	⚠️ Not signed
NS	`delta.dmz-eu.st.com` ⭐
		A	164.129.1.37^{Verizon-dual-homed-customers164.129.0.0/16}
			PTR	`delta.dmz-eu.st.com`
NS	`a1-23.akam.net` ⚠️ Not in parent delegation
		A	2600:1401:2::17^{🇺🇸 Akamai2600:1401:2::/48 Technologies}
			PTR	`a1-23.akam.net`
			PTR	`ns1-23.akam.net`
		A	193.108.91.23^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-23.akam.net`
			PTR	`ns1-23.akam.net`
NS	`a2-66.akam.net` ⚠️ Not in parent delegation
		A	2600:1480:7000::42^{🇺🇸 Akamai2600:1480:7000::/48 Technologies}
			PTR	`a2-66.akam.net`
		A	95.100.174.66^{🇳🇱 Akamai95.100.174.0/24 Technologies}
			PTR	`a2-66.akam.net`
NS	`a28-66.akam.net` ⚠️ Not in parent delegation
		A	2600:1480:d800::42^{🇺🇸 Akamai2600:1480:d800::/48 Technologies}
			PTR	`a28-66.akam.net`
		A	95.100.173.66^{🇳🇱 Akamai95.100.173.0/24 Technologies}
			PTR	`a28-66.akam.net`
NS	`a5-64.akam.net` ⚠️ Not in parent delegation
		A	2600:1480:b000::40^{🇺🇸 Akamai2600:1480:b000::/48 Technologies}
			PTR	`a5-64.akam.net`
			PTR	`ns6-64.akam.net`
		A	95.100.168.64^{🇳🇱 Akamai95.100.168.0/24 Technologies}
			PTR	`a5-64.akam.net`
			PTR	`ns6-64.akam.net`
NS	`a8-66.akam.net` ⚠️ Not in parent delegation
		A	2600:1403:a::42^{🇺🇸 Akamai2600:1403:a::/48 Technologies}
			PTR	`a8-66.akam.net`
		A	2.16.40.66^{🇳🇱 Akamai2.16.40.0/24 Technologies}
			PTR	`a8-66.akam.net`
NS	`a9-65.akam.net` ⚠️ Not in parent delegation
		A	2a02:26f0:117::41^{🇳🇱 Akamai2a02:26f0:117::/48 Technologies}
			PTR	`a9-65.akam.net`
			PTR	`ns5-65.akam.net`
		A	184.85.248.65^{🇺🇸 Akamai184.85.248.0/24 Technologies}
			PTR	`a9-65.akam.net`
			PTR	`ns5-65.akam.net`
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`
TXT	`v=spf1 ip4:164.129.1.35 -all`
SOA	`delta.dmz-eu.st.com`dnsmaster@st.com serial=38

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1776991668

Same first word

st-microelectronics.ru

st-microelectronics.ma

st-microelectronics.tn

st-microelectronics.co.it

st-microelectronics.net

st-microelectronics.us

st-microelectronics.com.hk

st-microelectronics.mobi

st-microelectronics.com.mx

DNS History

9 records (9 active, 0 former)

●NSa1-23.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSa2-66.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSa28-66.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSa5-64.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSa8-66.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSa9-65.akam.net2026-03-25 → 2026-04-24 · 3 obs

○ 2015-07-31 20:17:36
● 2026-03-25 00:18:18
● 2026-04-24 01:21:36

●NSdelta.dmz-ap.st.com2015-07-31 → 2026-04-24 · 2 obs

● 2015-07-31 20:17:36
● 2026-04-24 01:21:36

●NSdelta.dmz-eu.st.com2015-07-31 → 2026-04-24 · 2 obs

● 2015-07-31 20:17:36
● 2026-04-24 01:21:36

●NSdelta.dmz-us.st.com2015-07-31 → 2026-04-24 · 2 obs

● 2015-07-31 20:17:36
● 2026-04-24 01:21:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
st-microelectronics.us	delta.dmz-ap.st.com, delta.dmz-eu.st.com, delta.dmz-us.st.com	-

✅ Authoritative Response

Server:164.129.1.37

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 st-microelectronics.us (unsigned zone)

⏱️ Timing

Total: 3687ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	9	`delta.dmz-ap.st.com, a1-23.akam.net...`
TXT	1	`v=spf1 ip4:164.129.1.35 -all`
SOA	1	`delta.dmz-eu.st.com dnsmaster.st.com`

Analysis

Name Servers

st-microelectronics.us delegates to nine name servers: a1-23.akam.net, a2-66.akam.net, a28-66.akam.net, a5-64.akam.net, a8-66.akam.net, a9-65.akam.net, delta.dmz-ap.st.com, delta.dmz-eu.st.com and delta.dmz-us.st.com.

st-microelectronics.us at least partially shares name servers with other domains, for instance weekday.co.th, hmhome.bot, ardownload.meiden381.gratis(0x736578)date247.info.edgesuite.net, fitrex.nl and motox.com.

These name servers are commonly used with the following name servers: a3-64.akam.net, a6-65.akam.net, a5-67.akam.net, a4-64.akam.net, a24-65.akam.net, a7-64.akam.net, a3-67.akam.net, a11-66.akam.net, a12-67.akam.net and a11-64.akam.net.

Host names with two IP numbers:

a1-23.akam.net points to 2600:1401:2::17 and 193.108.91.23

a2-66.akam.net points to 2600:1480:7000::42 and 95.100.174.66

a28-66.akam.net points to 2600:1480:d800::42 and 95.100.173.66

a5-64.akam.net points to 2600:1480:b000::40 and 95.100.168.64

a8-66.akam.net points to 2600:1403:a::42 and 2.16.40.66

a9-65.akam.net points to 2a02:26f0:117::41 and 184.85.248.65

Host names with one IP number:

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

st-microelectronics.us - robtex.com