🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`az1.libraryofcode.dev`

	DNSSEC	⚠️ Not signed
	A	20.55.106.248^{🇺🇸 Microsoft20.48.0.0/12}

`libraryofcode.dev`

	DNSSEC	🔒 Signed (DS record present)
	A	165.22.42.28^{🇺🇸 DIGITALOCEAN165.22.32.0/20 DigitalOcean}
	NS	`az1.libraryofcode.dev` ⭐ ⚠️ Not in parent delegation
	NS	`az1.libraryofcode.org` ⚠️ Not in zone NS records
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`google-site-verification=hRXkE5UKk4I1HNt8XLXljB-0LSFw-PgX2_zFUmz-BPc`
	SOA	`az1.libraryofcode.dev`engineering@libraryofcode.org 2026-04-30 #1

NS for

libraryofcode.dev

Same first word

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DNS History

1 record (1 active, 0 former)

●A20.55.106.2482026-09-10 → 2026-09-27 · 2 obs

● 2026-09-10 09:29:54
● 2026-09-27 23:35:16

🔍 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: 431ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.55.106.248`

Analysis

Name Server Role

libraryofcode.dev is delegated to az1.libraryofcode.dev as a name server.

az1.libraryofcode.org is often paired with az1.libraryofcode.dev as a name server.

IP Addresses

az1.libraryofcode.dev has exactly one IP address — 20.55.106.248.

az1.libraryofcode.dev - robtex.com