sierratechnicalgroup.com - robtex.com
sierratechnicalgroup.com
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=1785060307 | ||||||
Same first word
sierratechnicalgroup.com |
DNS History
9 records (9 active, 0 former)
●NSns43.domaincontrol.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●NSns44.domaincontrol.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●MXalt1.aspmx.l.google.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●MXalt2.aspmx.l.google.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●MXalt3.aspmx.l.google.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●MXalt4.aspmx.l.google.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●MXaspmx.l.google.com2026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●A13.248.243.52026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
●A76.223.105.2302026-06-09 → 2026-07-26 · 2 obs
● 2026-07-26 10:07:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sierratechnicalgroup.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sierratechnicalgroup.com (unsigned zone)
⏱️ Timing
Total: 150ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=3xe2I_qNhYW73gG, v=spf1 include:dc-aa8e722993._spfm.sierr |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
IP Addresses
sierratechnicalgroup.com directs to two IP numbers, 13.248.243.5 and 76.223.105.230
Among the host names that share IP numbers with sierratechnicalgroup.com are sevent.info, ponch.xyz, diptesh.in and two others.
Name Servers
The NS records for sierratechnicalgroup.com delegate to ns43.domaincontrol.com and ns44.domaincontrol.com.
sierratechnicalgroup.com has the same name server delegation as a number of other domains, such as meerscheidtmixes.com, pirsolutions.com, floristique.com and two more.
ns43.domaincontrol.com resolves to 97.74.101.22 and 2603:5:2152::16. Likewise, ns44.domaincontrol.com resolves to 173.201.69.22 and 2603:5:2252::16 — two IP addresses apiece.
Mail Servers
Mail for sierratechnicalgroup.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
sierratechnicalgroup.com shares at least some of its mail servers with other domains — for example jessicagestoso.com, technocadeng.com, ns500759.ns500698.ns500758.ns500735.ns500735.ns500735.ns500708.ns500698.trackreceptor.com and two more.
It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.
Hosts with two IP numbers each:
The A records for aspmx.l.google.com return 142.251.163.26 and 2607:f8b0:4004:c21::1a.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.