cortevaagri.com - robtex.com
cortevaagri.com
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | pdns216.ultradns.comhostmaster@corteva.com 2024-01-10 #13 | ||||||
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=1784538112 | ||||||
Same first word
cortevaagri.com |
DNS History
4 records (4 active, 0 former)
●NSpdns216.ultradns.biz2026-06-17 → 2026-07-20 · 2 obs
● 2026-07-20 09:12:20
●NSpdns216.ultradns.com2026-06-17 → 2026-07-20 · 2 obs
● 2026-07-20 09:12:20
●NSpdns216.ultradns.net2026-06-17 → 2026-07-20 · 2 obs
● 2026-07-20 09:12:20
●NSpdns216.ultradns.org2026-06-17 → 2026-07-20 · 2 obs
● 2026-07-20 09:12:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cortevaagri.com | pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.66.216
NS records: pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortevaagri.com (unsigned zone)
⏱️ Timing
Total: 501ms | 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: 2
Out-of-bailiwick: 2 (pdns216.ultradns.com, pdns216.ultradns.com)
Analysis
Name Servers
The NS records for cortevaagri.com point to four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
cortevaagri.com partially shares its NS delegation with several other domains, including graspherbicide.com, fultimeherbicide.com, amberlitefp.com and two others.
pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org each carry two IP addresses. pdns216.ultradns.biz has 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com has 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net has 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org has 156.154.67.216 and 2001:502:4612::fc.