1stcontractorsschool.com - robtex.com
1stcontractorsschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns19.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21d0::a🇺🇸 GODADDY-DNS2603:5:21d0::/44 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| A | 97.74.109.10🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns19.domaincontrol.com | ||||||
| NS | ns20.domaincontrol.com | ||||||
| A | 2603:5:22d0::a🇺🇸 GODADDY-DNS2603:5:22d0::/44 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| A | 173.201.77.10🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns20.domaincontrol.com | ||||||
| SOA | ns19.domaincontrol.comdns@jomax.net 2023-09-18 #0 | ||||||
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=1775450612 | ||||||
Same first word
1stcontractorsschool.com |
DNS History
9 records (4 active, 5 former)
○NSns1.ipower.com2015-05-21 → 2015-12-11 · 4 obs
● 2015-12-11 21:14:38
○ 2016-03-15 11:36:48
○ 2026-04-06 04:54:48
●NSns19.domaincontrol.com2020-03-21 → 2026-04-06 · 3 obs
● 2020-03-21 07:03:36
● 2026-04-06 04:54:48
○NSns2.ipower.com2015-05-21 → 2015-12-11 · 4 obs
● 2015-12-11 21:14:38
○ 2016-03-15 11:36:48
○ 2026-04-06 04:54:48
●NSns20.domaincontrol.com2020-03-21 → 2026-04-06 · 3 obs
● 2020-03-21 07:03:36
● 2026-04-06 04:54:48
○MXmx.1stcontractorsschool.com2015-05-21 → 2015-12-11 · 4 obs
● 2015-12-11 21:14:38
○ 2016-03-15 11:36:48
○ 2026-04-06 04:54:48
●A15.197.148.332026-04-06 → 2026-04-06 · 2 obs
● 2026-04-06 04:54:48
●A3.33.130.1902026-04-06 → 2026-04-06 · 2 obs
● 2026-04-06 04:54:48
○A50.63.202.632020-03-21 → 2020-03-21 · 3 obs
● 2020-03-21 07:03:36
○ 2026-04-06 04:54:48
○A66.96.131.1242015-05-21 → 2015-12-11 · 4 obs
● 2015-12-11 21:14:38
○ 2016-03-15 11:36:48
○ 2026-04-06 04:54:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1stcontractorsschool.com | ns19.domaincontrol.com, ns20.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.77.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1stcontractorsschool.com (unsigned zone)
⏱️ Timing
Total: 81ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns19.domaincontrol.com, ns19.domaincontrol.com, ns20.domaincontrol.com...)
Analysis
IP Addresses
1stcontractorsschool.com resolves to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance oja.us, deflect.us, atheistspirituality.com, solai.us and drskipharris.org share IP numbers with 1stcontractorsschool.com.
Name Servers
1stcontractorsschool.com has two name servers: ns19.domaincontrol.com and ns20.domaincontrol.com.
1stcontractorsschool.com shares the same name server setup as other domains, for example moroccanoileducation.com, bermania.info, luxuryclosetexchange.com, led-tasklight.com and globalecc.com.
Host names with two IP numbers:
ns19.domaincontrol.com points to: 2603:5:21d0::a and 97.74.109.10; ns20.domaincontrol.com points to: 2603:5:22d0::a and 173.201.77.10.