hbc1.edu - robtex.com
hbc1.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.31.53.210🇺🇸 Limestone Networks64.31.53.0/24 | ||||||
| PTR | hydra.cleannameservers.com | ||||||
| NS | ns3.cleannameservers.com ⭐ | ||||||
| A | 64.31.53.210🇺🇸 Limestone Networks64.31.53.0/24 | ||||||
| PTR | hydra.cleannameservers.com | ||||||
| NS | ns4.cleannameservers.com | ||||||
| A | 64.31.53.210🇺🇸 Limestone Networks64.31.53.0/24 | ||||||
| PTR | hydra.cleannameservers.com | ||||||
| MX | mail.hbc1.edu ⭐ | ||||||
| A | 64.31.53.210🇺🇸 Limestone Networks64.31.53.0/24 | ||||||
| PTR | hydra.cleannameservers.com | ||||||
| TXT | yahoo-verification-key=dmO8zkzlQzDpxNPjXMWLTKLkSdMCY2PYQRqy3qpAgDM= | ||||||
| TXT | google-site-verification=lDfAjFvI8xcexHTQzij8gSiBjFkuSUTdIBVXGpaLU3I | ||||||
| TXT | v=spf1 ip4:64.31.53.210 ip4:64.31.53.154 +mx +a include:relay.mailchannels.ne... | ||||||
| SOA | ns3.cleannameservers.comroot@hydra.cleannameservers.com 2026-06-24 #4 | ||||||
edu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.edu-servers.net ⭐ | ||||||
| NS | b.edu-servers.net | ||||||
| NS | c.edu-servers.net | ||||||
| NS | d.edu-servers.net | ||||||
| NS | e.edu-servers.net | ||||||
| NS | f.edu-servers.net | ||||||
| NS | g.edu-servers.net | ||||||
| NS | h.edu-servers.net | ||||||
| NS | i.edu-servers.net | ||||||
| NS | j.edu-servers.net | ||||||
| NS | k.edu-servers.net | ||||||
| NS | l.edu-servers.net | ||||||
| NS | m.edu-servers.net | ||||||
| SOA | a.edu-servers.netnstld@verisign-grs.com serial=1785118332 | ||||||
Subdomains
mail.hbc1.edu |
Same first word
hbc1.edu |
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.hostmonster.com2015-07-18 → 2016-12-26 · 4 obs
● 2016-12-26 02:42:42
○ 2026-06-05 15:43:04
○ 2026-07-27 02:15:54
○NSns2.hostmonster.com2015-07-18 → 2016-12-26 · 4 obs
● 2016-12-26 02:42:42
○ 2026-06-05 15:43:04
○ 2026-07-27 02:15:54
●NSns3.cleannameservers.com2026-06-05 → 2026-07-27 · 3 obs
● 2026-06-05 15:43:04
● 2026-07-27 02:15:54
●NSns4.cleannameservers.com2026-06-05 → 2026-07-27 · 3 obs
● 2026-06-05 15:43:04
● 2026-07-27 02:15:54
●MXmail.hbc1.edu2015-07-18 → 2026-07-27 · 2 obs
● 2026-07-27 02:15:54
●A64.31.53.2102026-06-05 → 2026-07-27 · 3 obs
● 2026-06-05 15:43:04
● 2026-07-27 02:15:54
○A74.220.207.1802015-07-18 → 2016-12-26 · 4 obs
● 2016-12-26 02:42:42
○ 2026-06-05 15:43:04
○ 2026-07-27 02:15:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| hbc1.edu | ns3.cleannameservers.com, ns4.cleannameservers.com | - |
✅ Authoritative Response
Server:64.31.53.210
NS records: ns3.cleannameservers.com, ns4.cleannameservers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hbc1.edu (unsigned zone)
⏱️ Timing
Total: 159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.31.53.210 |
| NS | 2 | ns3.cleannameservers.com, ns4.cleannameservers.com |
| MX | 1 | mail.hbc1.edu (pri: 0) |
| TXT | 3 | yahoo-verification-key=dmO8zkzlQzDpxNPjX, google-site-verification=lDfAjFvI8xcexHT... |
| SOA | 1 | ns3.cleannameservers.com root.hydra.clea |
Analysis
Hierarchy
The domain mail.hbc1.edu falls under the parent hbc1.edu.
IP Addresses
hbc1.edu resolves to just one IP address, 64.31.53.210.
Two other host names, along with planetoceanscuba.com, botoxonline.net and wpthink.com, also share IP numbers with hbc1.edu.
Name Servers
hbc1.edu is served by two delegated name servers, ns3.cleannameservers.com and ns4.cleannameservers.com.
hbc1.edu shares its NS records with other domains, for example thisisnaxos.gr, goeminne-putmans.be, asterhost.com and two others.
At least some of hbc1.edu's name servers are shared with other domains, for example designhost.net, botoxonline.net, rctheatreco.com and two more.
These name servers are often deployed together with the name servers ns1.designhost.net, ns2.designhost.net, ns1.botoxonline.net and ns2.botoxonline.net.
ns3.cleannameservers.com and ns4.cleannameservers.com share one IP address between them — 64.31.53.210.
These two host names — ns3.cleannameservers.com and ns4.cleannameservers.com — each point to 64.31.53.210 IP addresses.
Mail Servers
The sole mail server for hbc1.edu is mail.hbc1.edu.
There is one IP number for mail.hbc1.edu: 64.31.53.210.