constructioncodebooks.com - robtex.com
constructioncodebooks.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.74.55.223 | ||||||
| PTR | web15.jubjub.net | ||||||
| NS | ns1.jubjub.net ⭐ | ||||||
| A | 206.82.203.37🇨🇦 INTELENET206.82.192.0/19 Databank | ||||||
| PTR | ns1.jubjub.net | ||||||
| NS | ns2.jubjub.net | ||||||
| A | 206.82.203.38🇨🇦 INTELENET206.82.192.0/19 Databank | ||||||
| PTR | ns2.jubjub.net | ||||||
| NS | ns3.jubjub.net | ||||||
| A | 107.170.187.107🇺🇸 DIGITALOCEAN107.170.160.0/19 DigitalOcean | ||||||
| PTR | ns3.jubjub.net | ||||||
| MX | mail.constructioncodebooks.com ⭐ | ||||||
| A | 216.74.55.56 | ||||||
| PTR | mail.bnibooks.com | ||||||
| TXT | v=spf1 a mx ip4:216.74.55.200 -all | ||||||
| SOA | ns1.jubjub.nethostmaster@jubjub.net 2017-04-29 #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=1791459934 | ||||||
Subdomains
mail.constructioncodebooks.com |
Same first word
constructioncodebooks.com |
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.jubjub.net2015-05-24 → 2026-10-08 · 2 obs
● 2026-10-08 12:04:20
●NSns2.jubjub.net2015-05-24 → 2026-10-08 · 2 obs
● 2026-10-08 12:04:20
●NSns3.jubjub.net2015-05-24 → 2026-10-08 · 2 obs
● 2026-10-08 12:04:20
●MXmail.constructioncodebooks.com2015-05-24 → 2026-10-08 · 2 obs
● 2026-10-08 12:04:20
●A216.74.55.2232015-05-24 → 2026-10-08 · 2 obs
● 2026-10-08 12:04:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| constructioncodebooks.com | ns1.jubjub.net, ns2.jubjub.net, ns3.jubjub.net | - |
✅ Authoritative Response
Server:206.82.203.38
NS records: ns1.jubjub.net, ns2.jubjub.net, ns3.jubjub.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for constructioncodebooks.com (unsigned zone)
⏱️ Timing
Total: 734ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.74.55.223 |
| NS | 3 | ns2.jubjub.net, ns3.jubjub.net... |
| MX | 1 | mail.constructioncodebooks.com (pri: 20) |
| TXT | 1 | v=spf1 a mx ip4:216.74.55.200 -all |
| SOA | 1 | ns1.jubjub.net hostmaster.jubjub.net |
Analysis
Hierarchy
constructioncodebooks.com is the parent zone for mail.constructioncodebooks.com.
IP Addresses
constructioncodebooks.com has exactly one IP address — 216.74.55.223.
Name Servers
constructioncodebooks.com is delegated to three name servers: ns1.jubjub.net, ns2.jubjub.net and ns3.jubjub.net.
constructioncodebooks.com partially shares its NS delegation with several other domains, including ccforfamilylaw.com, noycesshop.com, snowyrangeaudiology.com and two others.
ns1.jubjub.net, ns2.jubjub.net and ns3.jubjub.net each resolve to a single IP address: ns1.jubjub.net resolves to 206.82.203.37, ns2.jubjub.net resolves to 206.82.203.38 and ns3.jubjub.net resolves to 107.170.187.107.
Mail Servers
constructioncodebooks.com uses one mail server — mail.constructioncodebooks.com.
mail.constructioncodebooks.com resolves to a single IP number: 216.74.55.56.