firstclassconstructionllc.com - dns.ninja
firstclassconstructionllc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns41.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2142::15🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns41.domaincontrol.com | ||||||
| A | 97.74.100.21🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns41.domaincontrol.com | ||||||
| NS | ns42.domaincontrol.com | ||||||
| A | 2603:5:2242::15🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns42.domaincontrol.com | ||||||
| A | 173.201.68.21🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns42.domaincontrol.com | ||||||
| MX | mx1-us1.ppe-hosted.com ⭐ | ||||||
| A | 67.231.154.162🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| A | 148.163.129.50🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| MX | mx2-us1.ppe-hosted.com(20) | ||||||
| A | 67.231.154.163🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| A | 148.163.129.51🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| TXT | MS=ms96191382 | ||||||
| TXT | v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all | ||||||
| SOA | ns41.domaincontrol.comdns@jomax.net 2026-03-11 #1 | ||||||
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=1785201997 | ||||||
Same first word
firstclassconstructionllc.com |
DNS History
12 records (6 active, 6 former)
●NSns41.domaincontrol.com2026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
●NSns42.domaincontrol.com2026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
○NSns51.1and1.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-16 17:57:32
○ 2026-07-28 01:34:10
○NSns52.1and1.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-16 17:57:32
○ 2026-07-28 01:34:10
○NSns53.domaincontrol.com2016-03-28 → 2017-06-12 · 5 obs
● 2016-03-28 05:27:18
● 2017-06-12 17:56:02
○ 2026-04-04 19:03:18
○ 2026-07-28 01:34:10
○NSns54.domaincontrol.com2016-03-28 → 2017-06-12 · 5 obs
● 2016-03-28 05:27:18
● 2017-06-12 17:56:02
○ 2026-04-04 19:03:18
○ 2026-07-28 01:34:10
○MXfirstclassconstructionllc-com.mail.protection.outlook.com2016-03-28 → 2017-06-12 · 4 obs
● 2017-06-12 17:56:02
○ 2026-04-04 19:03:18
○ 2026-07-28 01:34:10
●MXmx1-us1.ppe-hosted.com2026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
●MXmx2-us1.ppe-hosted.com2026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
●A15.197.225.1282026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
○A184.168.221.482016-03-28 → 2017-06-12 · 4 obs
● 2017-06-12 17:56:02
○ 2026-04-04 19:03:18
○ 2026-07-28 01:34:10
●A3.33.251.1682026-04-04 → 2026-07-28 · 3 obs
● 2026-04-04 19:03:18
● 2026-07-28 01:34:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net... | - |
| firstclassconstructionllc.com | ns41.domaincontrol.com, ns42.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.68.21
NS records: ns41.domaincontrol.com, ns42.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclassconstructionllc.com (unsigned zone)
⏱️ Timing
Total: 138ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns41.domaincontrol.com, ns42.domaincontrol.com |
| MX | 2 | mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20) |
| TXT | 2 | MS=ms96191382, v=spf1 a:dispatch-us.ppe-hosted.com incl |
| SOA | 1 | ns41.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)
Analysis
IP Addresses
firstclassconstructionllc.com points to the IP addresses 3.33.251.168 and 15.197.225.128
Additional host names — elettosport.info, simografi.com, yourpoliostory.com and two others — share IP numbers with firstclassconstructionllc.com.
Name Servers
Two name servers handle the delegation for firstclassconstructionllc.com: ns41.domaincontrol.com and ns42.domaincontrol.com.
firstclassconstructionllc.com shares its name server setup with other domains, including (0x736578)divan.com, the-pits.com, mgstech.co.uk and two others.
ns41.domaincontrol.com and ns42.domaincontrol.com both carry two IP addresses. The A records for ns41.domaincontrol.com are 97.74.100.21 and 2603:5:2142::15; the A records for ns42.domaincontrol.com are 173.201.68.21 and 2603:5:2242::15.
Mail Servers
firstclassconstructionllc.com has two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.
firstclassconstructionllc.com shares the same mail server setup as other domains, including amypatrick.net, eit-c.com, mobile-marketers.com and two others.
firstclassconstructionllc.com shares mail servers — at least in part — with other domains, including hawaiiosteopathic.org, aar.com, ikonix.com and two others.
mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com both carry two IP addresses. The A records for mx1-us1.ppe-hosted.com are 67.231.154.162 and 148.163.129.50; the A records for mx2-us1.ppe-hosted.com are 67.231.154.163 and 148.163.129.51.