corteva.systems - robtex.com
corteva.systems
| 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 | ||||||
systems
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.systems ⭐ | ||||||
| NS | v0n1.nic.systems | ||||||
| NS | v0n2.nic.systems | ||||||
| NS | v0n3.nic.systems | ||||||
| NS | v2n0.nic.systems | ||||||
| NS | v2n1.nic.systems | ||||||
| SOA | v0n0.nic.systemshostmaster@donuts.email serial=1783471071 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSpdns216.ultradns.biz2026-07-03 → 2026-07-08 · 2 obs
● 2026-07-08 01:32:32
●NSpdns216.ultradns.com2026-07-03 → 2026-07-08 · 2 obs
● 2026-07-08 01:32:32
●NSpdns216.ultradns.net2026-07-03 → 2026-07-08 · 2 obs
● 2026-07-08 01:32:32
●NSpdns216.ultradns.org2026-07-03 → 2026-07-08 · 2 obs
● 2026-07-08 01:32:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| systems | v0n2.nic.systems, v2n1.nic.systems, v0n0.nic.systems, v0n1.nic.systems... | 12 records |
| corteva.systems | pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org, pdns216.ultradns.net | - |
✅ Authoritative Response
Server:156.154.66.216
NS records: pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org, pdns216.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corteva.systems (unsigned zone)
⏱️ Timing
Total: 1015ms | 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 (v2n1.nic.systems, v2n0.nic.systems, v0n3.nic.systems...)
Analysis
Name Servers
Four name servers handle the delegation for corteva.systems: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
The name servers of corteva.systems overlap at least partially with those of other domains — among them cleanwaternetwork.com, cortevaagro.ws, dupont-meta.com and two more.
These name servers commonly appear in delegations together with pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 other.
Each of the four hosts pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org has two IP addresses. pdns216.ultradns.biz points to 156.154.66.216 and 2610:a1:1015::fc. pdns216.ultradns.com points to 156.154.64.216 and 2001:502:f3ff::fc. pdns216.ultradns.net points to 156.154.65.216 and 2610:a1:1014::fc. pdns216.ultradns.org points to 156.154.67.216 and 2001:502:4612::fc.