cortevaagriscience.tv - robtex.com
cortevaagriscience.tv
| 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 | ||||||
tv
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.tv ⭐ | ||||||
| NS | b.nic.tv | ||||||
| NS | c.nic.tv | ||||||
| NS | x.nic.tv | ||||||
| NS | y.nic.tv | ||||||
| NS | z.nic.tv | ||||||
| SOA | a.nic.tvadmin@tldns.godaddy serial=1783236220 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSpdns216.ultradns.biz2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 07:46:16
●NSpdns216.ultradns.com2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 07:46:16
●NSpdns216.ultradns.net2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 07:46:16
●NSpdns216.ultradns.org2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 07:46:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tv | a.nic.tv, b.nic.tv, c.nic.tv, x.nic.tv... | - |
| cortevaagriscience.tv | pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org | - |
✅ Authoritative Response
Server:156.154.65.216
NS records: pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortevaagriscience.tv (unsigned zone)
⏱️ Timing
Total: 522ms | 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. |
Analysis
Name Servers
The domain cortevaagriscience.tv is delegated to these four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
There is at least partial name server overlap between cortevaagriscience.tv and other domains — mor-melt.com, filmtec.jp, upgradetoocttain.com and two more among them.
All four hostnames — pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org — resolve to two IP numbers apiece: pdns216.ultradns.biz to 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com to 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net to 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org to 156.154.67.216 and 2001:502:4612::fc.