`featureflagsbook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2cf9^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ce99^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.44.249^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.153^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kristin.ns.cloudflare.com` ⭐ 🔒
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
NS	`rudy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rudy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rudy.ns.cloudflare.com`
		A	108.162.193.229^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	172.64.33.229^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	173.245.59.229^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.44.249, 172.67.206.153
		IPv6	2606:4700:3036::6815:2cf9, 2606:4700:3037::ac43:ce99
SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2396146180

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

featureflagsbook.com

DNS History

6 records (6 active, 0 former)

●NSkristin.ns.cloudflare.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

●NSrudy.ns.cloudflare.com2026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

●A104.21.44.2492026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

●A172.67.206.1532026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

●A2606:4700:3036::6815:2cf92026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

●A2606:4700:3037::ac43:ce992026-02-24 → 2026-02-24 · 2 obs

● 2026-02-24 17:00:38
● 2026-02-24 20:26:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
featureflagsbook.com	rudy.ns.cloudflare.com, kristin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.181

NS records: rudy.ns.cloudflare.com, kristin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for featureflagsbook.com (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.44.249, 172.67.206.153`
AAAA	2	`2606:4700:3037::ac43:ce99, 2606:4700:3036::6815:2cf9`
NS	2	`kristin.ns.cloudflare.com, rudy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kristin.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rudy.ns.cloudflare.com, rudy.ns.cloudflare.com, rudy.ns.cloudflare.com...)

AI analysis

featureflagsbook.com points to four IP numbers: 2606:4700:3036::6815:2cf9, 2606:4700:3037::ac43:ce99, 104.21.44.249 and 172.67.206.153.

Other host names, for instance planeteenjeux.com, deardesigner.co.uk, zaisf.cn, technograd.com and kharphonk.com share IP numbers with featureflagsbook.com.

Delegation for featureflagsbook.com rests with two name servers, kristin.ns.cloudflare.com and rudy.ns.cloudflare.com.

featureflagsbook.com shares the same name server setup as other domains, including getuncivilized.com, topreviewd.com, drannacooper.com, dicebag.com and adambrown.dev.

featureflagsbook.com at least partially shares name servers with other domains, for instance percik.or.id, homealarm.fr, amazoncrew.info, gbmevents.az and hddunlock.com.

These name servers are commonly used with the name servers alan.ns.cloudflare.com.

Host names with six IP numbers: kristin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab5, 2803:f800:50::6ca2:c0b5, 2a06:98c1:50::ac40:20b5, 108.162.192.181, 172.64.32.181 and 173.245.58.181. rudy.ns.cloudflare.com points to: 2606:4700:58::adf5:3be5, 2803:f800:50::6ca2:c1e5, 2a06:98c1:50::ac40:21e5, 108.162.193.229, 172.64.33.229 and 173.245.59.229.

featureflagsbook.com - robtex.com