`520books.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:a60^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:834b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.96^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.75^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harlan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlan.ns.cloudflare.com`
		A	108.162.195.250^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	162.159.44.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	172.64.35.250^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
NS	`nena.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nena.ns.cloudflare.com`
		A	108.162.194.161^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	162.159.38.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	172.64.34.161^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.10.96, 172.67.131.75
		IPv6	2606:4700:3030::6815:a60, 2606:4700:3033::ac43:834b
SOA	`harlan.ns.cloudflare.com`dns@cloudflare.com serial=2399404399

`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=1774402057

WOT: UNKNOWN (1/100)

Same first word

520books.com

Similar names

books520.xyz

DNS History

34 records (6 active, 28 former)

○NSa.share-dns.com2026-02-22 → 2026-03-09 · 4 obs

○ 2019-04-20 22:49:16
● 2026-02-22 10:30:14
● 2026-03-09 08:05:52
○ 2026-03-25 01:41:22

○NSa12.share-dns.com2026-02-22 → 2026-03-09 · 4 obs

○ 2019-04-20 22:49:16
● 2026-02-22 10:30:14
● 2026-03-09 08:05:52
○ 2026-03-25 01:41:22

○NSb.share-dns.net2026-02-22 → 2026-03-09 · 4 obs

○ 2019-04-20 22:49:16
● 2026-02-22 10:30:14
● 2026-03-09 08:05:52
○ 2026-03-25 01:41:22

○NSb12.share-dns.net2026-02-22 → 2026-03-09 · 4 obs

○ 2019-04-20 22:49:16
● 2026-02-22 10:30:14
● 2026-03-09 08:05:52
○ 2026-03-25 01:41:22

○NSdns7.hichina.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 05:26:14
○ 2015-12-21 18:28:14
○ 2026-03-25 01:41:22

○NSdns8.hichina.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 05:26:14
○ 2015-12-21 18:28:14
○ 2026-03-25 01:41:22

●NSharlan.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

○NSjuming.dnsdun.com2015-12-21 → 2015-12-21 · 4 obs

○ 2015-05-17 05:26:14
● 2015-12-21 18:28:14
○ 2016-07-14 05:00:54
○ 2026-03-25 01:41:22

○NSjuming.dnsdun.net2015-12-21 → 2015-12-21 · 4 obs

○ 2015-05-17 05:26:14
● 2015-12-21 18:28:14
○ 2016-07-14 05:00:54
○ 2026-03-25 01:41:22

○NSlocalhost2019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

●NSnena.ns.cloudflare.com2026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

○NSns1.dnspai.com2016-07-14 → 2016-07-14 · 4 obs

○ 2015-12-21 18:28:14
● 2016-07-14 05:00:54
○ 2017-02-15 13:10:42
○ 2026-03-25 01:41:22

○NSns1.mytrafficmanagement.com2019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○NSns1626.ztomy.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-14 05:00:54
● 2017-02-15 13:10:42
○ 2019-04-20 22:49:16
○ 2026-03-25 01:41:22

○NSns2.dnspai.com2016-07-14 → 2016-07-14 · 4 obs

○ 2015-12-21 18:28:14
● 2016-07-14 05:00:54
○ 2017-02-15 13:10:42
○ 2026-03-25 01:41:22

○NSns2.mytrafficmanagement.com2019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○NSns2626.ztomy.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-14 05:00:54
● 2017-02-15 13:10:42
○ 2019-04-20 22:49:16
○ 2026-03-25 01:41:22

●A104.21.10.962026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

○A112.125.17.1032015-10-10 → 2015-10-10 · 4 obs

○ 2015-05-17 05:26:14
● 2015-10-10 19:23:50
○ 2015-12-21 18:28:14
○ 2026-03-25 01:41:22

●A172.67.131.752026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

○A198.180.198.432016-07-14 → 2016-07-14 · 4 obs

○ 2015-12-21 18:28:14
● 2016-07-14 05:00:54
○ 2017-02-15 13:10:42
○ 2026-03-25 01:41:22

○A198.58.118.1672019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○A204.11.56.482017-02-15 → 2017-02-15 · 4 obs

○ 2016-07-14 05:00:54
● 2017-02-15 13:10:42
○ 2019-04-20 22:49:16
○ 2026-03-25 01:41:22

○A23.228.215.682015-12-21 → 2015-12-21 · 4 obs

○ 2015-10-10 19:23:50
● 2015-12-21 18:28:14
○ 2016-07-14 05:00:54
○ 2026-03-25 01:41:22

●A2606:4700:3030::6815:a602026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

●A2606:4700:3033::ac43:834b2026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 08:05:52
● 2026-03-25 01:41:22

○A38.33.47.1122026-02-22 → 2026-03-09 · 4 obs

○ 2019-04-20 22:49:16
● 2026-02-22 10:30:14
● 2026-03-09 08:05:52
○ 2026-03-25 01:41:22

○A45.33.2.792019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○A45.33.23.1832019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○A45.56.79.232019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○A45.79.19.1962019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○A61.155.149.952015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 05:26:14
○ 2015-10-10 19:23:50
○ 2026-03-25 01:41:22

○A96.126.123.2442019-04-20 → 2019-04-20 · 4 obs

○ 2017-02-15 13:10:42
● 2019-04-20 22:49:16
○ 2026-02-22 10:30:14
○ 2026-03-25 01:41:22

○PTRns1626.ztomy.com2017-02-15 → 2017-02-15 · 3 obs

● 2017-02-15 13:10:42
○ 2019-04-20 22:49:16
○ 2026-03-25 01:41:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
520books.com	nena.ns.cloudflare.com, harlan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.250

NS records: nena.ns.cloudflare.com, harlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 520books.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.75, 104.21.10.96`
AAAA	2	`2606:4700:3030::6815:a60, 2606:4700:3033::ac43:834b`
NS	2	`harlan.ns.cloudflare.com, nena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harlan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

520books.com points to four IP numbers: 2606:4700:3030::6815:a60, 2606:4700:3033::ac43:834b, 104.21.10.96 and 172.67.131.75.

Other host names, for instance www.sinpar.it, instantcash.com, otlcn.com, onspring.mobi and wst.space share IP numbers with 520books.com.

Name Servers

520books.com is delegated to two name servers: harlan.ns.cloudflare.com and nena.ns.cloudflare.com.

520books.com uses the same name server setup as other domains, for instance nbsharing.com, litagogo.com, phonde.com, impugna.com and resotage.com.

520books.com shares name servers with other domains at least partially, for instance ouesax.com, sunrayliao.com, polskiekasynaonline.net, payack.it and tyrolit.ee.

these name servers are often used together with the name servers rita.ns.cloudflare.com.

Host names with six IP numbers: harlan.ns.cloudflare.com points to 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250; nena.ns.cloudflare.com points to 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161.

520books.com - robtex.com

520books.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`520books.com`

`com`