bldg51.com - robtex.com
bldg51.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=1778627796 | ||||||
Subdomains
mail.bldg51.com |
Same first word
bldg51.com |
Similar names
DNS History
12 records (6 active, 6 former)
○NSdns1431-1.nexcess.net2017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 01:36:06
○ 2026-03-27 13:17:10
○ 2026-05-12 23:42:44
○NSdns1431-2.nexcess.net2017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 01:36:06
○ 2026-03-27 13:17:10
○ 2026-05-12 23:42:44
○NSdns232-1.nexcess.net2015-07-16 → 2016-07-03 · 4 obs
● 2016-07-03 19:17:20
○ 2017-04-09 01:36:06
○ 2026-05-12 23:42:44
○NSdns232-2.nexcess.net2015-07-16 → 2016-07-03 · 4 obs
● 2016-07-03 19:17:20
○ 2017-04-09 01:36:06
○ 2026-05-12 23:42:44
●NSns1.nexcess.net2026-03-27 → 2026-05-12 · 3 obs
● 2026-03-27 13:17:10
● 2026-05-12 23:42:44
●NSns2.nexcess.net2026-03-27 → 2026-05-12 · 3 obs
● 2026-03-27 13:17:10
● 2026-05-12 23:42:44
●NSns3.nexcess.net2026-03-27 → 2026-05-12 · 3 obs
● 2026-03-27 13:17:10
● 2026-05-12 23:42:44
●NSns4.nexcess.net2026-03-27 → 2026-05-12 · 3 obs
● 2026-03-27 13:17:10
● 2026-05-12 23:42:44
●MXmail.bldg51.com2015-07-16 → 2026-05-12 · 2 obs
● 2026-05-12 23:42:44
○A209.126.16.142017-04-09 → 2017-04-09 · 4 obs
● 2017-04-09 01:36:06
○ 2026-03-27 13:17:10
○ 2026-05-12 23:42:44
●A209.126.30.1582026-03-27 → 2026-05-12 · 3 obs
● 2026-03-27 13:17:10
● 2026-05-12 23:42:44
○A69.160.48.832015-07-16 → 2016-07-03 · 4 obs
● 2016-07-03 19:17:20
○ 2017-04-09 01:36:06
○ 2026-05-12 23:42:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| bldg51.com | ns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net, ns4.nexcess.net | - |
✅ Authoritative Response
Server:192.240.188.122
NS records: ns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net, ns4.nexcess.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bldg51.com (unsigned zone)
⏱️ Timing
Total: 347ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.126.30.158 |
| NS | 4 | ns3.nexcess.net, ns1.nexcess.net... |
| MX | 1 | mail.bldg51.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:209.126.30.158 includ |
| SOA | 1 | ns1.nexcess.net hostmaster.bldg51.com |
Analysis
Hierarchy
The parent of mail.bldg51.com is bldg51.com.
IP Addresses
bldg51.com points to IP number: 209.126.30.158.
Other host names such as mitchellfabrics.com, mail.nutrim.com, sendrosepetals.com, customstockings.net and nutrim.com share IPs with bldg51.com.
Name Servers
bldg51.com is delegated to four name servers: ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net and ns4.nexcess.net.
bldg51.com at least partially shares name servers with other domains, for instance laptopcloseout.us, yourbabycanlearn.com, valina.com, avantireligiousjewelry.com and finishingtouchlandscape.com.
these name servers are commonly used with ns5.nexcess.net, ns6.nexcess.net, ns7.nexcess.net and ns8.nexcess.net.
Host names with two IP numbers: ns1.nexcess.net points to 2607:f7c0:8001::a and 192.240.188.188; ns2.nexcess.net points to 2607:f7c0:8002::a and 192.240.188.166; ns3.nexcess.net points to 2607:f7c0:8001::b and 192.240.188.144; ns4.nexcess.net points to 2607:f7c0:8002::b and 192.240.188.122.
Mail Servers
bldg51.com is handled by a single mail server, mail.bldg51.com.
mail.bldg51.com points to a single IP: 209.126.30.158.