corteva.builders - robtex.com
corteva.builders
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns216.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::fc🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns216.ultradns.com | ||||||
| A | 156.154.64.216🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.com | ||||||
| NS | pdns216.ultradns.biz | ||||||
| A | 2610:a1:1015::fc🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns216.ultradns.biz | ||||||
| A | 156.154.66.216🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.biz | ||||||
| NS | pdns216.ultradns.net | ||||||
| A | 2610:a1:1014::fc🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns216.ultradns.net | ||||||
| A | 156.154.65.216🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.net | ||||||
| NS | pdns216.ultradns.org | ||||||
| A | 2001:502:4612::fc🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns216.ultradns.org | ||||||
| A | 156.154.67.216🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.org | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | pdns216.ultradns.comhostmaster@corteva.com 2024-01-10 #13 | ||||||
builders
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.builders ⭐ | ||||||
| NS | v0n1.nic.builders | ||||||
| NS | v0n2.nic.builders | ||||||
| NS | v0n3.nic.builders | ||||||
| NS | v2n0.nic.builders | ||||||
| NS | v2n1.nic.builders | ||||||
| SOA | v0n0.nic.buildershostmaster@donuts.email serial=1783150797 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSpdns216.ultradns.biz2026-07-03 → 2026-07-04 · 2 obs
● 2026-07-04 08:23:26
●NSpdns216.ultradns.com2026-07-03 → 2026-07-04 · 2 obs
● 2026-07-04 08:23:26
●NSpdns216.ultradns.net2026-07-03 → 2026-07-04 · 2 obs
● 2026-07-04 08:23:26
●NSpdns216.ultradns.org2026-07-03 → 2026-07-04 · 2 obs
● 2026-07-04 08:23:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| builders | v2n0.nic.builders, v0n0.nic.builders, v0n2.nic.builders, v2n1.nic.builders... | 12 records |
| corteva.builders | pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org, pdns216.ultradns.biz | - |
✅ Authoritative Response
Server:156.154.66.216
NS records: pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org, pdns216.ultradns.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corteva.builders (unsigned zone)
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | pdns216.ultradns.biz, pdns216.ultradns.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | pdns216.ultradns.com hostmaster.corteva. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n0.nic.builders, v2n0.nic.builders, v0n0.nic.builders...)
Analysis
Name Servers
The NS records for corteva.builders point to four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
corteva.builders has at least partial name server overlap with other domains, such as corteva.pt, cortevaagriscience.careers, mancozeb.com and two others.
pdns5.ultradns.info, pdns1.ultradns.net and pdns2.ultradns.net — plus 3 other name servers — are commonly paired with these name servers.
pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org all point to exactly two IP numbers each: pdns216.ultradns.biz → 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com → 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net → 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org → 156.154.67.216 and 2001:502:4612::fc.