sierraschools.com - robtex.com
sierraschools.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.155.96.121🇪🇪 FairyHosting185.155.96.0/24 | ||||||
| NS | ns35.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b1::12🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns35.domaincontrol.com | ||||||
| A | 97.74.107.18🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns35.domaincontrol.com | ||||||
| NS | ns36.domaincontrol.com | ||||||
| A | 2603:5:22b1::12🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns36.domaincontrol.com | ||||||
| A | 173.201.75.18🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns36.domaincontrol.com | ||||||
| MX | mail.sierraschools.com ⭐ | ||||||
| A | 160.153.129.32🇳🇱 GODADDY-SXB160.153.128.0/21 GoDaddy.com, LLC | ||||||
| PTR | 32.129.153.160.host.secureserver.net | ||||||
| TXT | v=spf1 a mx ptr include:secureserver.net ~all | ||||||
| SOA | ns35.domaincontrol.comdns@jomax.net 2016-08-23 #3 | ||||||
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=1776150457 | ||||||
Subdomains
mail.sierraschools.com |
Same first word
sierraschools.com |
DNS History
4 records (4 active, 0 former)
●NSns35.domaincontrol.com2016-09-08 → 2026-04-14 · 2 obs
● 2026-04-14 07:26:08
●NSns36.domaincontrol.com2016-09-08 → 2026-04-14 · 2 obs
● 2026-04-14 07:26:08
●MXmail.sierraschools.com2016-09-08 → 2026-04-14 · 2 obs
● 2026-04-14 07:26:08
●A185.155.96.1212016-09-08 → 2026-04-14 · 2 obs
● 2026-04-14 07:26:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net... | - |
| sierraschools.com | ns35.domaincontrol.com, ns36.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.107.18
NS records: ns35.domaincontrol.com, ns36.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sierraschools.com (unsigned zone)
⏱️ Timing
Total: 88ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.155.96.121 |
| NS | 2 | ns35.domaincontrol.com, ns36.domaincontrol.com |
| MX | 1 | mail.sierraschools.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:secureserver.net |
| SOA | 1 | ns35.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns35.domaincontrol.com, ns35.domaincontrol.com, ns36.domaincontrol.com...)
Analysis
Hierarchy
sierraschools.com is the parent of mail.sierraschools.com.
IP Addresses
sierraschools.com points to IP number 185.155.96.121.
For instance, other host names lcwteen.com, sdsdig.com, weddingpretties.com, matthewmilner.com and bankatlanticsecurity.com share IP numbers with sierraschools.com.
Name Servers
sierraschools.com is delegated to two name servers: ns35.domaincontrol.com and ns36.domaincontrol.com.
sierraschools.com uses the same name server setup as other domains such as antiburn.com, mtc110.com, atlantabravesautographs.com, kcicas.com and trinesfood.com.
Host names with two IP numbers:
ns35.domaincontrol.com points to 2603:5:21b1::12 and 97.74.107.18; ns36.domaincontrol.com points to 2603:5:22b1::12 and 173.201.75.18.
Mail Servers
sierraschools.com is handled by a single mail server, mail.sierraschools.com.
mail.sierraschools.com points to a single IP: 160.153.129.32.