🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`agentpatternsbook.dev`

DNSSEC	⚠️ Not signed
NS	`jarred.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jarred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jarred.ns.cloudflare.com`
		A	108.162.195.126^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	162.159.44.126^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	172.64.35.126^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
NS	`ophelia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ophelia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ophelia.ns.cloudflare.com`
		A	108.162.194.248^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	162.159.38.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
		A	172.64.34.248^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ophelia.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=KPYu0ckYGYUzAGmnuFaX6-fl8VAFCs409kgtXo_Skxo`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`jarred.ns.cloudflare.com`dns@cloudflare.com serial=2418378529

`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.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

agentpatternsbook.com

agentpatternsbook.dev

Previous names

Next names

DNS History

3 records (3 active, 0 former)

●NSjarred.ns.cloudflare.com2026-10-24 → 2026-10-29 · 2 obs

● 2026-10-24 12:44:24
● 2026-10-29 17:49:16

●NSophelia.ns.cloudflare.com2026-10-24 → 2026-10-29 · 2 obs

● 2026-10-24 12:44:24
● 2026-10-29 17:49:16

●MXsmtp.google.com2026-10-27 → 2026-10-29 · 2 obs

● 2026-10-27 20:34:32
● 2026-10-29 17:49:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
agentpatternsbook.dev	ophelia.ns.cloudflare.com, jarred.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.126

NS records: ophelia.ns.cloudflare.com, jarred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for agentpatternsbook.dev (unsigned zone)

⏱️ Timing

Total: 1056ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`jarred.ns.cloudflare.com, ophelia.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=KPYu0ckYGYUzAGm, v=spf1 include:_spf.google.com ~all`
SOA	1	`jarred.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

agentpatternsbook.dev is served by two delegated name servers, jarred.ns.cloudflare.com and ophelia.ns.cloudflare.com.

agentpatternsbook.dev uses the same name servers as several other domains — among them productionagentbook.com, vividtrade.cfd, sonicreplay.com and two more.

agentpatternsbook.dev shares at least some of its name servers with other domains, including merak606.app, pkr877.com, cspc.io and two others.

It is common to find these name servers alongside the name servers tom.ns.cloudflare.com, nancy.ns.cloudflare.com, kristin.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

jarred.ns.cloudflare.com carries IP addresses 108.162.195.126, 162.159.44.126 and 172.64.35.126, with 3 other addresses beyond those.

ophelia.ns.cloudflare.com carries IP addresses 108.162.194.248, 162.159.38.248 and 172.64.34.248, with 3 other addresses beyond those.

Mail Servers

Mail for agentpatternsbook.dev is handled by a single mail server, smtp.google.com.

agentpatternsbook.dev uses an identical mail server configuration to several other domains — among them statelineprptyservices.com, aliagaingenieros.com.pe, littleathletesrc.com and two more.

There is at least a partial overlap in mail servers between agentpatternsbook.dev and other domains like sjps.ylc.edu.tw, bnsp.go.id and ankaseyahat.com.

smtp.google.com resolves to 9 IP addresses — 64.233.180.26, 142.251.179.26, 142.251.179.27 and 6 others.

agentpatternsbook.dev - robtex.com