herculex.net - robtex.com
herculex.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| 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 2019-02-06 #8 | ||||||
net
| 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=1783260991 | ||||||
Same first word
DNS History
9 records (5 active, 4 former)
○NSmantdnsi1.dow.com2015-05-20 → 2017-05-23 · 4 obs
● 2017-05-23 23:42:40
○ 2026-06-17 18:29:28
○ 2026-07-05 14:16:54
●NSpdns216.ultradns.biz2026-06-17 → 2026-07-05 · 3 obs
● 2026-06-17 18:29:28
● 2026-07-05 14:16:54
●NSpdns216.ultradns.com2026-06-17 → 2026-07-05 · 3 obs
● 2026-06-17 18:29:28
● 2026-07-05 14:16:54
●NSpdns216.ultradns.net2026-06-17 → 2026-07-05 · 3 obs
● 2026-06-17 18:29:28
● 2026-07-05 14:16:54
●NSpdns216.ultradns.org2026-06-17 → 2026-07-05 · 3 obs
● 2026-06-17 18:29:28
● 2026-07-05 14:16:54
○NStnntdnsi1.dow.com2015-05-20 → 2017-05-23 · 4 obs
● 2017-05-23 23:42:40
○ 2026-06-17 18:29:28
○ 2026-07-05 14:16:54
○NStxntdnsi1.dow.com2015-05-20 → 2017-05-23 · 4 obs
● 2017-05-23 23:42:40
○ 2026-06-17 18:29:28
○ 2026-07-05 14:16:54
●A204.74.99.1002026-06-17 → 2026-07-05 · 3 obs
● 2026-06-17 18:29:28
● 2026-07-05 14:16:54
○A216.99.82.812015-05-20 → 2017-05-23 · 4 obs
● 2017-05-23 23:42:40
○ 2026-06-17 18:29:28
○ 2026-07-05 14:16:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| herculex.net | 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 herculex.net (unsigned zone)
⏱️ Timing
Total: 1418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| 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.net, pdns216.ultradns.net)
Analysis
IP Addresses
herculex.net resolves to just one IP address, 204.74.99.100.
Two other host names, along with bmcsoftware.pt, redbull.tj and happyjulybirthday.com, also share IP numbers with herculex.net.
Name Servers
The NS records for herculex.net point to four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
herculex.net shares at least some of its name servers with other domains, including corteva.taipei, corteva.fund, corteva.red and two others.
The host names pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org each resolve to two IP addresses: pdns216.ultradns.biz resolves to 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com resolves to 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net resolves to 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org resolves to 156.154.67.216 and 2001:502:4612::fc.