🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`agentdesignguide.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:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
TXT	`google-site-verification=yl6HW-R-lCSKcEBn-7I0YIMbDDQUkeULYJOEoHY9kOY`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`jarred.ns.cloudflare.com`dns@cloudflare.com serial=2418377927

`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

agentdesignguide.com

agentdesignguide.dev

Previous names

Next names

DNS History

3 records (3 active, 0 former)

●NSjarred.ns.cloudflare.com2026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 17:58:58
● 2026-11-07 18:47:34

●NSophelia.ns.cloudflare.com2026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 17:58:58
● 2026-11-07 18:47:34

●MXsmtp.google.com2026-11-01 → 2026-11-07 · 4 obs

● 2026-11-01 03:49:52
○ 2026-11-02 19:59:58
● 2026-11-03 00:22:22
● 2026-11-07 18:47:34

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.35.126

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for agentdesignguide.dev (unsigned zone)

⏱️ Timing

Total: 1578ms | 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=yl6HW-R-lCSKcEB, v=spf1 include:_spf.google.com ~all`
SOA	1	`jarred.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

Two name servers handle the delegation for agentdesignguide.dev: jarred.ns.cloudflare.com and ophelia.ns.cloudflare.com.

The name server configuration of agentdesignguide.dev is shared with other domains, for instance stylishinnovations.cfd, remzibey.online, fernando-400.workers.dev and two others.

There is at least partial name server overlap between agentdesignguide.dev and other domains — party-santi-2026.pages.dev, 4322win.org, bindinglink.pages.dev and two more among them.

The name servers tom.ns.cloudflare.com, nancy.ns.cloudflare.com and kristin.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

jarred.ns.cloudflare.com resolves to 108.162.195.126, 162.159.44.126 and 172.64.35.126 among others, with 3 other IP addresses in total.

ophelia.ns.cloudflare.com resolves to 108.162.194.248, 162.159.38.248 and 172.64.34.248 among others, with 3 other IP addresses in total.

Mail Servers

agentdesignguide.dev uses one mail server — smtp.google.com.

The mail server setup of agentdesignguide.dev matches that of other domains such as picklimedrop.com, welcomebizcovery.ch, parcelpathsummit.info and two others.

At least some of the mail servers used by agentdesignguide.dev are shared with other domains: zarlengoaccounting.com, homeproadvisor.info, sinapseed.com and two others among them.

These mail servers are routinely found in combination with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smtp.google.com has 9 IP addresses: 172.253.63.26, 172.253.115.26, 172.253.115.27 plus 6 more.

agentdesignguide.dev - robtex.com