books2school.com - robtex.com

books2school.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:ac28🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:2fc5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.197Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.40🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmeiling.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26fe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A2803:f800:50::6ca2:c2fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmeiling.ns.cloudflare.com
A2a06:98c1:50::ac40:22fe🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmeiling.ns.cloudflare.com
A108.162.194.254🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A162.159.38.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
A172.64.34.254🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeiling.ns.cloudflare.com
NSnash.ns.cloudflare.com
A2606:4700:58::adf5:3bd1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A2803:f800:50::6ca2:c1d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnash.ns.cloudflare.com
A2a06:98c1:50::ac40:21d1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnash.ns.cloudflare.com
A108.162.193.209🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A172.64.33.209🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A173.245.59.209🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.197, 172.67.172.40
IPv6 hints2606:4700:3033::ac43:ac28, 2606:4700:3035::6815:2fc5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=197, name=cloudflare-ech.com
SOAmeiling.ns.cloudflare.comdns@cloudflare.com serial=2409491433

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784808527
rank #809129 globally
rank #349788 in the tld

Same first word

books2school.com

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NSmeiling.ns.cloudflare.comnash.ns.cloudflare.comns35.domaincontrol.comns36.domaincontrol.comA104.21.47.197172.67.172.402606:4700:3033::ac43:ac282606:4700:3035::6815:2fc523.23.44.2012606:4700:3034::ac43:ac282606:4700:3036::6815:2fc5
●NSmeiling.ns.cloudflare.com2026-06-16 → 2026-07-23 · 3 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
● 2026-07-23 12:33:12
●NSnash.ns.cloudflare.com2026-06-16 → 2026-07-23 · 3 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
● 2026-07-23 12:33:12
○NSns35.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 04:56:30
○ 2026-06-16 18:11:30
○ 2026-07-23 12:33:12
○NSns36.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 04:56:30
○ 2026-06-16 18:11:30
○ 2026-07-23 12:33:12
●A104.21.47.1972026-06-16 → 2026-07-23 · 3 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
● 2026-07-23 12:33:12
●A172.67.172.402026-06-16 → 2026-07-23 · 3 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
● 2026-07-23 12:33:12
○A23.23.44.2012019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 04:56:30
○ 2026-06-16 18:11:30
○ 2026-07-23 12:33:12
●A2606:4700:3033::ac43:ac282026-07-02 → 2026-07-23 · 3 obs
○ 2026-06-16 18:11:30
● 2026-07-02 23:22:04
● 2026-07-23 12:33:12
○A2606:4700:3034::ac43:ac282026-06-16 → 2026-06-16 · 4 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
○ 2026-07-02 23:22:04
○ 2026-07-23 12:33:12
●A2606:4700:3035::6815:2fc52026-07-02 → 2026-07-23 · 3 obs
○ 2026-06-16 18:11:30
● 2026-07-02 23:22:04
● 2026-07-23 12:33:12
○A2606:4700:3036::6815:2fc52026-06-16 → 2026-06-16 · 4 obs
○ 2019-12-18 04:56:30
● 2026-06-16 18:11:30
○ 2026-07-02 23:22:04
○ 2026-07-23 12:33:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
books2school.comnash.ns.cloudflare.com, meiling.ns.cloudflare.com12 records

✅ Authoritative Response

Server:172.64.33.209

NS records: nash.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for books2school.com (unsigned zone)

⏱️ Timing

Total: 161ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.197, 172.67.172.40
AAAA22606:4700:3033::ac43:ac28, 2606:4700:3035::6815:2fc5
NS2meiling.ns.cloudflare.com, nash.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1meiling.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

books2school.com has four IP addresses: 104.21.47.197, 172.67.172.40, 2606:4700:3033::ac43:ac28 and 2606:4700:3035::6815:2fc5.

Additional host names — matec-vn.com, wolfautocentersterling.com, passme.info and two others — share IP numbers with books2school.com.

Name Servers

DNS delegation for books2school.com points to two name servers: meiling.ns.cloudflare.com and nash.ns.cloudflare.com.

books2school.com shares its name server setup with other domains, including nodejs-china.org, chinaqihao.com, zbyjedu.com and two others.

books2school.com has at least partial name server overlap with other domains, such as codebycyrus.com, bonusverensiteler-kararehberi.vip, geomodulecode.digital and two others.

It is common to find these name servers paired with the name servers vasilii.ns.cloudflare.com, aspen.ns.cloudflare.com, theo.ns.cloudflare.com and woz.ns.cloudflare.com.

Host names with 6 IP numbers:

meiling.ns.cloudflare.com has IP addresses 108.162.194.254, 162.159.38.254 and 172.64.34.254, plus 3 other.

nash.ns.cloudflare.com has IP addresses 108.162.193.209, 172.64.33.209 and 173.245.59.209, plus 3 other.