corteva.tech - robtex.com
corteva.tech
| 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 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1783097394 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSpdns216.ultradns.biz2026-07-03 → 2026-07-03 · 2 obs
● 2026-07-03 16:56:50
●NSpdns216.ultradns.com2026-07-03 → 2026-07-03 · 2 obs
● 2026-07-03 16:56:50
●NSpdns216.ultradns.net2026-07-03 → 2026-07-03 · 2 obs
● 2026-07-03 16:56:50
●NSpdns216.ultradns.org2026-07-03 → 2026-07-03 · 2 obs
● 2026-07-03 16:56:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| corteva.tech | pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org | - |
✅ Authoritative Response
Server:156.154.66.216
NS records: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net, pdns216.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corteva.tech (unsigned zone)
⏱️ Timing
Total: 2823ms | 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: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)
Analysis
Name Servers
The domain corteva.tech is delegated to these four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
corteva.tech has at least partial name server overlap with other domains, such as cortevaagriscience.cl, corteva.soy, coriancn.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.