stdlib.io - robtex.com
stdlib.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=1783192091 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.linode.com2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●NSns2.linode.com2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●NSns3.linode.com2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●NSns4.linode.com2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●NSns5.linode.com2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●MXmail.stdlib.io2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●A2600:3c03::f03c:91ff:fec8:f35d2018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
●A45.79.190.1322018-05-07 → 2026-07-04 · 2 obs
● 2026-07-04 19:28:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| stdlib.io | ns2.linode.com, ns1.linode.com, ns3.linode.com, ns4.linode.com... | - |
✅ Authoritative Response
Server:92.123.94.2
NS records: ns2.linode.com, ns1.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdlib.io (unsigned zone)
⏱️ Timing
Total: 747ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.79.190.132 |
| AAAA | 1 | 2600:3c03::f03c:91ff:fec8:f35d |
| NS | 5 | ns5.linode.com, ns3.linode.com... |
| MX | 1 | mail.stdlib.io (pri: 10) |
| TXT | 1 | google-site-verification=US4TOaTzuXig3Uf |
| SOA | 1 | ns1.linode.com kgryte.gmail.com |
Analysis
Hierarchy
The parent domain of mail.stdlib.io and www.stdlib.io is stdlib.io.
IP Addresses
stdlib.io points to the IP addresses 45.79.190.132 and 2600:3c03::f03c:91ff:fec8:f35d
Other hosts including li1289-132.members.linode.com, mail.stdlib.io and www.stdlib.io share IP addresses with stdlib.io.
Name Servers
The authoritative name servers for stdlib.io are ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.
The name servers of stdlib.io overlap at least partially with those of other domains — among them semsoluciones.com, hotel-volendam.nl, digitalmedia.tokyo and two more.
These name servers commonly appear alongside the name servers ns4.linode.com and ns5.linode.com.
Hosts with two IP numbers each:
The A records for ns1.linode.com return 92.123.94.2 and 2600:14c0:6::2.
The A records for ns2.linode.com return 92.123.94.3 and 2600:14c0:6::3.
The A records for ns3.linode.com return 92.123.95.3 and 2600:14c0:7::3.
The A records for ns4.linode.com return 92.123.95.4 and 2600:14c0:7::4.
The A records for ns5.linode.com return 92.123.95.2 and 2600:14c0:7::2.
Mail Servers
stdlib.io routes its mail through a single mail server, mail.stdlib.io.
mail.stdlib.io resolves to two IP numbers — 45.79.190.132 and 2600:3c03::f03c:91ff:fec8:f35d.