cresstool.com - dns.ninja
cresstool.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=1785161917 | ||||||
Same first word
cresstool.com |
cresstool.net |
cresstool.org |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
●NSns2.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
●NSns3.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
●NSns4.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
●NSns5.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
●NSns6.nbcuni.com2026-02-23 → 2026-07-27 · 2 obs
● 2026-07-27 14:28:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cresstool.com | ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com... | 6 records |
✅ Authoritative Response
Server:156.154.68.31
NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cresstool.com (unsigned zone)
⏱️ Timing
Total: 1190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns1.nbcuni.com, ns2.nbcuni.com... |
| TXT | 1 | v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p |
| SOA | 1 | ns1.nbcuni.com domain\.admin.nbcuni.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com...)
Analysis
Name Servers
cresstool.com delegates authority to 6 name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com plus 3 other.
cresstool.com shares at least some of its name servers with other domains, including ivilagelive.com, pitchperfect3movie.com, nbcplus.net and two others.
These name servers are frequently seen alongside ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com and 6 other name servers.
Hostnames that resolve to two IP addresses:
ns1.nbcuni.com directs traffic to 156.154.64.31 and 2001:502:f3ff::31.
ns2.nbcuni.com directs traffic to 156.154.65.31 and 2610:a1:1014::31.
ns3.nbcuni.com directs traffic to 156.154.66.31 and 2610:a1:1015::31.
ns4.nbcuni.com directs traffic to 156.154.67.31 and 2001:502:4612::31.
ns5.nbcuni.com directs traffic to 156.154.68.31 and 2610:a1:1016::31.
ns6.nbcuni.com directs traffic to 156.154.69.31 and 2610:a1:1017::31.