agentbuildingguide.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`agentbuildingguide.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	2a00:1450:4013:c18::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`er-in-f27.1e100.net`
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	2a00:1450:4013:c22::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqfv-in-f26.1e100.net`
		A	2a00:1450:4013:c24::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqxp-in-f26.1e100.net`
		A	108.177.119.27^{🇺🇸 Google108.177.119.0/24}
			PTR	`ei-in-f27.1e100.net`
		A	108.177.127.26^{🇺🇸 Google108.177.127.0/24}
			PTR	`el-in-f26.1e100.net`
		A	108.177.127.27^{🇺🇸 Google108.177.127.0/24}
			PTR	`el-in-f27.1e100.net`
		A	172.217.218.27^{🇺🇸 Google172.217.218.0/24}
			PTR	`en-in-f27.1e100.net`
		A	192.178.156.26^{🇺🇸 Google192.178.156.0/24}
			PTR	`yugrqog-in-f26.1e100.net`
TXT	`google-site-verification=eCfN2zRZriizfRB_YDXegb6IOwl8OhwokYiLySipVpU`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`jarred.ns.cloudflare.com`dns@cloudflare.com serial=2418470414

`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

agentbuildingguide.com

agentbuildingguide.dev

Previous names

Next names

DNS History

3 records (3 active, 0 former)

●NSjarred.ns.cloudflare.com2026-10-24 → 2026-11-01 · 2 obs

● 2026-10-24 17:34:12
● 2026-11-01 23:30:36

●NSophelia.ns.cloudflare.com2026-10-24 → 2026-11-01 · 2 obs

● 2026-10-24 17:34:12
● 2026-11-01 23:30:36

●MXsmtp.google.com2026-10-26 → 2026-11-01 · 2 obs

● 2026-10-26 01:40:36
● 2026-11-01 23:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
agentbuildingguide.dev	ophelia.ns.cloudflare.com, jarred.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.126

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1181ms | 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=eCfN2zRZriizfRB, v=spf1 include:_spf.google.com ~all`
SOA	1	`jarred.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

agentbuildingguide.dev uses two name servers for its delegation: jarred.ns.cloudflare.com and ophelia.ns.cloudflare.com.

agentbuildingguide.dev shares its name server setup with other domains, including arilao1107.workers.dev, xq5q2yimja.workers.dev, ounalogics-web.pages.dev and two others.

agentbuildingguide.dev partially shares its NS delegation with several other domains, including keyassociatesmn.com, gox789.bet, eg-petroleum.com.pk and two others.

These name servers are regularly seen alongside tom.ns.cloudflare.com and nancy.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

Hostname jarred.ns.cloudflare.com directs to 108.162.195.126, 162.159.44.126 and 172.64.35.126 along with 3 other IP addresses.

Hostname ophelia.ns.cloudflare.com directs to 108.162.194.248, 162.159.38.248 and 172.64.34.248 along with 3 other IP addresses.

Mail Servers

agentbuildingguide.dev has one mail server: smtp.google.com.

agentbuildingguide.dev shares the same mail server setup as other domains, including thedustyroadco.com, selectfoodtrucks.com, centralohiollc.com and two others.

agentbuildingguide.dev shares mail servers — at least in part — with other domains, including highticket-ladies.com, fleetlocationtools.com, vikalpbioanddistillery.com and two others.

The mail servers alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com frequently co-occur with these mail servers.

smtp.google.com points to 9 IP numbers: 108.177.119.27, 108.177.127.26, 108.177.127.27 and 6 other.