us-ocb.org - robtex.com
us-ocb.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.128.236.15🇺🇸 WHOINET128.128.128.0/17 | ||||||
| PTR | us-ocb.com | ||||||
| PTR | deepseacoral.org | ||||||
| PTR | hdylake.org | ||||||
| PTR | ropeless.org | ||||||
| PTR | us-ocb.org | ||||||
| PTR | www.us-ocb.com | ||||||
| PTR | www.us-ocb.org | ||||||
| NS | bdds-xha.whoi.edu ⭐ | ||||||
| NS | bdds-ext01.whoi.edu | ||||||
| A | 128.128.250.58🇺🇸 WHOINET128.128.128.0/17 | ||||||
| PTR | bdds-ext01.whoi.edu | ||||||
| NS | bdds-ext02.whoi.edu | ||||||
| A | 128.128.250.59🇺🇸 WHOINET128.128.128.0/17 | ||||||
| PTR | bdds-ext02.whoi.edu | ||||||
| MX | mx1.whoi.edu ⭐ | ||||||
| A | 128.128.236.40🇺🇸 WHOINET128.128.128.0/17 | ||||||
| PTR | mail.whoi.edu | ||||||
| PTR | mailhost.whoi.edu | ||||||
| PTR | mx1.whoi.edu | ||||||
| PTR | outbox.whoi.edu | ||||||
| PTR | postal5.whoi.edu | ||||||
| MX | mx2.whoi.edu ⭐ | ||||||
| A | 128.128.236.41🇺🇸 WHOINET128.128.128.0/17 | ||||||
| PTR | mail.whoi.edu | ||||||
| PTR | mailhost.whoi.edu | ||||||
| PTR | mx2.whoi.edu | ||||||
| PTR | outbox.whoi.edu | ||||||
| PTR | postal6.whoi.edu | ||||||
| SOA | bdds-xha.whoi.eduhelpdesk@whoi.edu serial=715537184 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774446930 | ||||||
PTR for
Subdomains
www.us-ocb.org |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSbdds-ext01.whoi.edu2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:06:04
● 2026-03-25 14:15:08
●NSbdds-ext02.whoi.edu2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:06:04
● 2026-03-25 14:15:08
●NSbdds-xha.whoi.edu2026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:06:04
● 2026-03-25 14:15:08
○NSquine.whoi.edu2015-07-03 → 2017-10-23 · 4 obs
● 2017-10-23 04:53:20
○ 2026-03-11 17:06:04
○ 2026-03-25 14:15:08
○NSrussell.whoi.edu2015-07-03 → 2017-10-23 · 4 obs
● 2017-10-23 04:53:20
○ 2026-03-11 17:06:04
○ 2026-03-25 14:15:08
●A128.128.236.152026-03-11 → 2026-03-25 · 3 obs
● 2026-03-11 17:06:04
● 2026-03-25 14:15:08
○A128.128.76.1552017-08-25 → 2017-10-23 · 5 obs
● 2017-08-25 08:50:00
● 2017-10-23 04:53:20
○ 2026-03-11 17:06:04
○ 2026-03-25 14:15:08
○A128.128.76.172015-07-03 → 2017-01-08 · 4 obs
● 2017-01-08 21:48:24
○ 2017-08-25 08:50:00
○ 2026-03-25 14:15:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| us-ocb.org | bdds-ext02.whoi.edu, bdds-ext01.whoi.edu | - |
✅ Authoritative Response
Server:128.128.250.58
NS records: bdds-ext02.whoi.edu, bdds-ext01.whoi.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us-ocb.org (unsigned zone)
⏱️ Timing
Total: 506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.128.236.15 |
| NS | 2 | bdds-ext02.whoi.edu, bdds-ext01.whoi.edu |
| MX | 2 | mx2.whoi.edu (pri: 10), mx1.whoi.edu (pri: 10) |
| SOA | 1 | bdds-xha.whoi.edu helpdesk.whoi.edu |
Analysis
Hierarchy
us-ocb.org is the parent of www.us-ocb.org.
IP Addresses
us-ocb.org resolves to one IP number: 128.128.236.15.
other host names including www.us-ocb.org, deepseacoral.org, ropeless.org, us-ocb.com and hdylake.org share IP numbers with us-ocb.org.
Name Servers
us-ocb.org is delegated to three name servers bdds-ext01.whoi.edu, bdds-ext02.whoi.edu and bdds-xha.whoi.edu.
us-ocb.org at least partially shares name servers with other domains, for instance arcticbloom.org, oceanworlds.space, 236.128.128.in-addr.arpa, atlantis.whoi.edu and obsic.net.
Host names with one IP number:
bdds-ext01.whoi.edu points to 128.128.250.58
bdds-ext02.whoi.edu points to 128.128.250.59
Mail Servers
Two mail servers handle us-ocb.org: mx1.whoi.edu and mx2.whoi.edu.
us-ocb.org shares the same mail server setup as other domains, for instance wlan.whoi.edu, striker.whoi.edu, dmoserv2.whoi.edu, knorr.whoi.edu and cinar.org.
Host names with one IP number:
mx1.whoi.edu points to 128.128.236.40
mx2.whoi.edu points to 128.128.236.41