`readgoodbooks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8e61^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4f34^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.52^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.97^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brett.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brett.ns.cloudflare.com`
		A	108.162.193.76^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	172.64.33.76^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	173.245.59.76^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
NS	`fay.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c073^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2073^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fay.ns.cloudflare.com`
		A	108.162.192.115^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	172.64.32.115^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	173.245.58.115^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.52, 172.67.142.97
		IPv6 hints	2606:4700:3032::ac43:8e61, 2606:4700:3037::6815:4f34
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2399172421

`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=1775960967

Same first word

readgoodbooks.com

DNS History

12 records (6 active, 6 former)

●NSbrett.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

●NSfay.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

○NSns.buydomains.com2015-05-11 → 2017-03-17 · 4 obs

● 2015-05-11 01:01:02
● 2017-03-17 14:37:16
○ 2019-03-21 15:40:26
○ 2026-04-12 02:36:40

○NSns35.domaincontrol.com2019-03-21 → 2019-03-21 · 4 obs

○ 2017-03-17 14:37:16
● 2019-03-21 15:40:26
○ 2026-04-10 19:27:48
○ 2026-04-12 02:36:40

○NSns36.domaincontrol.com2019-03-21 → 2019-03-21 · 4 obs

○ 2017-03-17 14:37:16
● 2019-03-21 15:40:26
○ 2026-04-10 19:27:48
○ 2026-04-12 02:36:40

●A104.21.79.522026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

○A141.8.225.1242015-12-22 → 2017-03-17 · 5 obs

○ 2015-10-19 17:41:18
● 2015-12-22 18:31:28
● 2017-03-17 14:37:16
○ 2019-03-21 15:40:26
○ 2026-04-12 02:36:40

●A172.67.142.972026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

○A184.168.131.2412019-03-21 → 2019-03-21 · 4 obs

○ 2017-03-17 14:37:16
● 2019-03-21 15:40:26
○ 2026-04-10 19:27:48
○ 2026-04-12 02:36:40

●A2606:4700:3032::ac43:8e612026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

●A2606:4700:3037::6815:4f342026-04-10 → 2026-04-12 · 3 obs

○ 2019-03-21 15:40:26
● 2026-04-10 19:27:48
● 2026-04-12 02:36:40

○A50.63.202.1042015-05-11 → 2015-10-19 · 4 obs

● 2015-05-11 01:01:02
● 2015-10-19 17:41:18
○ 2015-12-22 18:31:28
○ 2026-04-12 02:36:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
readgoodbooks.com	fay.ns.cloudflare.com, brett.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.115

NS records: fay.ns.cloudflare.com, brett.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readgoodbooks.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.97, 104.21.79.52`
AAAA	2	`2606:4700:3037::6815:4f34, 2606:4700:3032::ac43:8e61`
NS	2	`brett.ns.cloudflare.com, fay.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brett.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

readgoodbooks.com points to four IP numbers: 2606:4700:3032::ac43:8e61, 2606:4700:3037::6815:4f34, 104.21.79.52 and 172.67.142.97.

For instance, other host names www.live-koora.pro, c54.nyc, amc-int.us, jygjtac.art and ecosmob.com share IP numbers with readgoodbooks.com.

Name Servers

readgoodbooks.com is delegated to two name servers: brett.ns.cloudflare.com and fay.ns.cloudflare.com.

readgoodbooks.com uses the same name server setup as other domains such as romatex.ro, amjadmajed.com, migia.ro, chrisgallardo.com and hjwyy.com.

readgoodbooks.com shares name servers with other domains at least partially, for example oscarliang.com, airdropinferium.live, junyijixie.com, fpvillage.org and hostistry.com.

These name servers are commonly used with the name servers neil.ns.cloudflare.com and jade.ns.cloudflare.com.

Host names with six IP numbers: host name brett.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4c, 2803:f800:50::6ca2:c14c, 2a06:98c1:50::ac40:214c, 108.162.193.76, 172.64.33.76 and 173.245.59.76; host name fay.ns.cloudflare.com points to: 2606:4700:50::adf5:3a73, 2803:f800:50::6ca2:c073, 2a06:98c1:50::ac40:2073, 108.162.192.115, 172.64.32.115 and 173.245.58.115.

readgoodbooks.com - robtex.com