libraryofcode.dev - robtex.com
libraryofcode.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Subdomains
az1.libraryofcode.dev |
Same first word
libraryofcode.com |
libraryofcode.us |
libraryofcode.dev |
libraryofcode.org |
DNS History
8 records (8 active, 0 former)
●NSaz1.libraryofcode.dev2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●NSaz1.libraryofcode.org2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●MXalt1.aspmx.l.google.com2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●MXalt2.aspmx.l.google.com2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●MXalt3.aspmx.l.google.com2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●MXalt4.aspmx.l.google.com2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●MXaspmx.l.google.com2026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
●A165.22.42.282026-09-05 → 2026-09-23 · 2 obs
● 2026-09-23 13:58:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| libraryofcode.dev | az1.libraryofcode.org | - |
✅ Authoritative Response
Server:20.80.251.218
NS records: az1.libraryofcode.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 812ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 165.22.42.28 |
| NS | 1 | az1.libraryofcode.dev |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | google-site-verification=hRXkE5UKk4I1HNt |
| SOA | 1 | az1.libraryofcode.dev engineering.librar |
Analysis
Hierarchy
libraryofcode.dev is the parent zone for az1.libraryofcode.dev.
IP Addresses
libraryofcode.dev resolves to just one IP address, 165.22.42.28.
Name Servers
libraryofcode.dev uses two name servers for its delegation: az1.libraryofcode.dev and az1.libraryofcode.org.
Mail Servers
Mail for libraryofcode.dev is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
Host names that have two IP addresses:
aspmx.l.google.com directs traffic to 142.251.167.26 and 2607:f8b0:4004:c09::1a.
alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.