grassroots.tools - robtex.com
grassroots.tools
| DNSSEC | ⚠️ Not signed | ||||||
| A | 149.155.192.91🇬🇧 JANET149.155.0.0/16 Biotechnology And Biological Science Research Council West Common Harpenden Herts AL5 2JE UNITED KINGDOM | ||||||
| PTR | client.nbi.ac.uk | ||||||
| NS | pdns1.nbi.ac.uk ⭐ | ||||||
| A | 149.155.192.2🇬🇧 JANET149.155.0.0/16 Biotechnology And Biological Science Research Council West Common Harpenden Herts AL5 2JE UNITED KINGDOM | ||||||
| NS | pdns2.nbi.ac.uk | ||||||
| SOA | pdns1.nbi.ac.ukdns@enquiries.nbi.ac.uk 2025-10-09 #17 | ||||||
tools
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.tools ⭐ | ||||||
| NS | v0n1.nic.tools | ||||||
| NS | v0n2.nic.tools | ||||||
| NS | v0n3.nic.tools | ||||||
| NS | v2n0.nic.tools | ||||||
| NS | v2n1.nic.tools | ||||||
| SOA | v0n0.nic.toolshostmaster@donuts.email serial=1785107627 | ||||||
Subdomains
ckan.grassroots.tools |
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
○A149.155.192.1192018-01-02 → 2018-01-02 · 3 obs
○ 2026-07-27 00:03:14
○ 2026-07-27 00:03:16
●A149.155.192.912026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 00:03:14
● 2026-07-27 00:03:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tools | v0n1.nic.tools, v0n3.nic.tools, v2n1.nic.tools, v0n0.nic.tools... | 12 records |
| grassroots.tools | pdns2.nbi.ac.uk, pdns1.nbi.ac.uk | - |
✅ Authoritative Response
Server:149.155.192.3
NS records: pdns2.nbi.ac.uk, pdns1.nbi.ac.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grassroots.tools (unsigned zone)
⏱️ Timing
Total: 869ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.155.192.91 |
| NS | 2 | pdns2.nbi.ac.uk, pdns1.nbi.ac.uk |
| SOA | 1 | pdns1.nbi.ac.uk dns.enquiries.nbi.ac.uk |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n1.nic.tools, v0n1.nic.tools, v0n3.nic.tools...)
Analysis
Hierarchy
grassroots.tools is the parent zone for ckan.grassroots.tools.
IP Addresses
grassroots.tools has exactly one IP address — 149.155.192.91.
grassroots.services, tgac.ac.uk, www.signalink.org plus two other host names have IP numbers in common with grassroots.tools.
Name Servers
DNS delegation for grassroots.tools points to two name servers: pdns1.nbi.ac.uk and pdns2.nbi.ac.uk.
The name server configuration of grassroots.tools is shared with other domains, for instance quadram.co.uk, sainsbury-laboratory.org, actinobase.org and two others.
grassroots.tools partially shares its NS delegation with several other domains, including tsl.ac.uk, quadram.ac.uk, 192.155.149.in-addr.arpa and two others.
These name servers often co-occur with the name servers ns2.ja.net.
Host names resolving to a single IP address:
pdns1.nbi.ac.uk directs to 149.155.192.2.