null.io - robtex.com
null.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1776966128 | ||||||
Subdomains
www.null.io |
Same first word
Similar names
null.marketing |
null.se |
null.science |
null.market |
null.services |
null.pt |
null.com.tw |
null.org |
null.ie |
unll.org |
lunl.s3.amazonaws.com |
llun.net |
unll.com |
nlul.com |
llnu.fr |
DNS History
8 records (7 active, 1 former)
●NSns1.linode.com2015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
●NSns2.linode.com2015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
●NSns3.linode.com2015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
●NSns4.linode.com2015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
●NSns5.linode.com2015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
○MXmail.semantical.co.uk2015-09-01 → 2020-11-29 · 4 obs
● 2020-11-29 23:05:28
○ 2026-02-16 05:54:54
○ 2026-04-23 17:53:28
●MXsemantical.co.uk2026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 05:54:54
● 2026-04-23 17:53:28
●A178.79.136.1442015-09-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:53:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, b0.nic.io, c0.nic.io, a0.nic.io | - |
| null.io | ns1.linode.com, ns2.linode.com | - |
✅ Authoritative Response
Server:92.123.94.2
NS records: ns1.linode.com, ns2.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for null.io (unsigned zone)
⏱️ Timing
Total: 415ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.79.136.144 |
| NS | 5 | ns4.linode.com, ns1.linode.com... |
| MX | 1 | semantical.co.uk (pri: 10) |
| SOA | 1 | ns1.linode.com domains.semantical.co.uk |
Analysis
Hierarchy
null.io is the parent of www.null.io.
IP Addresses
null.io points to a single IP number: 178.79.136.144.
Other host names, for instance www.null.io, share IP numbers with null.io.
Name Servers
null.io is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.
null.io at least partially shares name servers with other domains, for instance efstratiou.info, cyron.org, fwd.wf, divfree.net and hobbybots.com.
Hosts with two IP numbers:
ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.
ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.
ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.
ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4.
ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2.
Mail Servers
null.io is handled by a single mail server, semantical.co.uk.
null.io uses the same mail server setup as other domains such as masteringemacs.org and inspiredpython.com.
Host name semantical.co.uk points to IP address 178.79.132.214.