`coreofcorteva.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}
			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.com`hostmaster@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.net`nstld@verisign-grs.com serial=1783208946

Same first word

coreofcorteva.com

DNS History

4 records (4 active, 0 former)

●NSpdns216.ultradns.biz2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 11:32:12
● 2026-07-04 23:52:44

●NSpdns216.ultradns.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 11:32:12
● 2026-07-04 23:52:44

●NSpdns216.ultradns.net2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 11:32:12
● 2026-07-04 23:52:44

●NSpdns216.ultradns.org2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 11:32:12
● 2026-07-04 23:52:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
coreofcorteva.com	pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org	2 records

✅ 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 coreofcorteva.com (unsigned zone)

⏱️ Timing

Total: 361ms | 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 authoritative name servers for coreofcorteva.com are pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.

The name servers of coreofcorteva.com overlap at least partially with those of other domains — among them molykote.com.hk, highlandseeds.com, styrofoam.cz and two more.

These name servers commonly appear in delegations together with pdns5.ultradns.info, pdns1.ultradns.net, pdns6.ultradns.co.uk 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.

coreofcorteva.com - robtex.com