hdopen.com - robtex.com
hdopen.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com ⚠️ Not in zone NS records | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
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=1771291435 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns1.stabletransit.com2015-08-08 → 2020-03-09 · 3 obs
● 2020-03-09 00:06:42
○ 2026-02-28 16:16:04
○NSdns2.stabletransit.com2015-08-08 → 2020-03-09 · 3 obs
● 2020-03-09 00:06:42
○ 2026-02-28 16:16:04
●NSns1.systemdns.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 16:16:04
●NSns2.systemdns.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 16:16:04
●NSns3.systemdns.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 16:16:04
○MXmx1.emailsrvr.com2015-08-08 → 2020-03-09 · 3 obs
● 2020-03-09 00:06:42
○ 2026-02-28 16:16:04
○MXmx2.emailsrvr.com2015-08-08 → 2020-03-09 · 3 obs
● 2020-03-09 00:06:42
○ 2026-02-28 16:16:04
○A184.106.55.372015-08-08 → 2020-03-09 · 3 obs
● 2020-03-09 00:06:42
○ 2026-02-28 16:16:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net... | - |
| hdopen.com | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | 6 records |
✅ Authoritative Response
Server: 64.99.96.36
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hdopen.com (unsigned zone)
⏱️ Timing
Total: 192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)
Analysis
Name Servers
The domain hdopen.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
hdopen.com shares name servers with other domains at least partially, for instance consultant-firms.com, marchesin.org, rinknetforms.com, 4k2k.com and pghmusic.org.
Host names with two IP numbers:
ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90
ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16
ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36