`caltechlibrary.dev`

DNSSEC	🔒 Signed (DS record present)
A	198.49.23.145^{🇺🇸 SQUARESPACE-1}
NS	`ns-cloud-d1.googledomains.com` ⭐
		A	2001:4860:4802:32::6d^{🇺🇸 Google}
			PTR	`ns-cloud-d1.googledomains.com`
		A	216.239.32.109^{🇺🇸 Google}
			PTR	`ns-cloud-d1.googledomains.com`
NS	`ns-cloud-d2.googledomains.com`
		A	2001:4860:4802:34::6d^{🇺🇸 Google}
			PTR	`ns-cloud-d2.googledomains.com`
		A	216.239.34.109^{🇺🇸 Google}
			PTR	`ns-cloud-d2.googledomains.com`
NS	`ns-cloud-d3.googledomains.com`
		A	2001:4860:4802:36::6d^{🇺🇸 Google}
			PTR	`ns-cloud-d3.googledomains.com`
		A	216.239.36.109^{🇺🇸 Google}
			PTR	`ns-cloud-d3.googledomains.com`
NS	`ns-cloud-d4.googledomains.com`
		A	2001:4860:4802:38::6d^{🇺🇸 Google}
			PTR	`ns-cloud-d4.googledomains.com`
		A	216.239.38.109^{🇺🇸 Google}
			PTR	`ns-cloud-d4.googledomains.com`
SOA	`ns-cloud-d1.googledomains.com`cloud-dns-hostmaster@google.com serial=61

`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)

Up

feeds.caltechlibrary.dev

Same first word

caltechlibrary.dev

DNS History

5 records (5 active, 0 former)

●NSns-cloud-d1.googledomains.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 02:20:40
● 2026-02-24 13:34:44

●NSns-cloud-d2.googledomains.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 02:20:40
● 2026-02-24 13:34:44

●NSns-cloud-d3.googledomains.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 02:20:40
● 2026-02-24 13:34:44

●NSns-cloud-d4.googledomains.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 02:20:40
● 2026-02-24 13:34:44

●A198.49.23.1452026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 02:20:40
● 2026-02-24 13:34:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
caltechlibrary.dev	ns-cloud-d2.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com	-

✅ Authoritative Response

Server: 216.239.34.109

NS records: ns-cloud-d2.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.49.23.145`
NS	4	`ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com...`
SOA	1	`ns-cloud-d1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

AI analysis

The parent of feeds.caltechlibrary.dev is caltechlibrary.dev.

caltechlibrary.dev points to a single IP address: 198.49.23.145.

Other host names such as brewlabcoffee.co.uk, katierbromley.com, stuh.biz, clearpops.com and seirer.photography share IPs with caltechlibrary.dev.

caltechlibrary.dev is delegated to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.

caltechlibrary.dev at least partially shares name servers with other domains, for example helpinghooves.net, pafink.com, thukralgroup.com, awareapp.se and localconveyancer.com.

Host names with two IP numbers:

ns-cloud-d1.googledomains.com points to: 2001:4860:4802:32::6d and 216.239.32.109

ns-cloud-d2.googledomains.com points to: 2001:4860:4802:34::6d and 216.239.34.109

ns-cloud-d3.googledomains.com points to: 2001:4860:4802:36::6d and 216.239.36.109

ns-cloud-d4.googledomains.com points to: 2001:4860:4802:38::6d and 216.239.38.109

caltechlibrary.dev - robtex.com