bookto21.com - robtex.com

bookto21.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:8f9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bcda🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.249Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.218🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrian.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c24🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A2803:f800:50::6ca2:c324🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrian.ns.cloudflare.com
A2a06:98c1:50::ac40:2324🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrian.ns.cloudflare.com
A108.162.195.36🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A162.159.44.36Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A172.64.35.36🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
NSliv.ns.cloudflare.com
A2606:4700:50::adf5:3abc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A2803:f800:50::6ca2:c0bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliv.ns.cloudflare.com
A2a06:98c1:50::ac40:20bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliv.ns.cloudflare.com
A108.162.192.188🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A172.64.32.188🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
A173.245.58.188🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliv.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.249, 172.67.188.218
IPv6 hints2606:4700:3035::6815:8f9, 2606:4700:3036::ac43:bcda
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAbrian.ns.cloudflare.comdns@cloudflare.com serial=2409339171

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=1785435447

Same first word

bookto21.com

Similar names

bookto12.com

DNS History

10 records (6 active, 4 former)

NSbrian.ns.cloudflare.comliv.ns.cloudflare.comA104.21.8.249172.67.188.2182606:4700:3035::6815:8f92606:4700:3036::ac43:bcda188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSbrian.ns.cloudflare.com2026-07-20 → 2026-07-30 · 2 obs
● 2026-07-20 13:56:20
● 2026-07-30 18:38:26
●NSliv.ns.cloudflare.com2026-07-20 → 2026-07-30 · 2 obs
● 2026-07-20 13:56:20
● 2026-07-30 18:38:26
●A104.21.8.2492026-07-28 → 2026-07-30 · 3 obs
○ 2026-07-20 13:56:20
● 2026-07-28 10:25:58
● 2026-07-30 18:38:26
●A172.67.188.2182026-07-28 → 2026-07-30 · 3 obs
○ 2026-07-20 13:56:20
● 2026-07-28 10:25:58
● 2026-07-30 18:38:26
○A188.114.96.02026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 13:56:20
○ 2026-07-28 10:25:58
○ 2026-07-30 18:38:26
○A188.114.97.02026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 13:56:20
○ 2026-07-28 10:25:58
○ 2026-07-30 18:38:26
●A2606:4700:3035::6815:8f92026-07-28 → 2026-07-30 · 3 obs
○ 2026-07-20 13:56:20
● 2026-07-28 10:25:58
● 2026-07-30 18:38:26
●A2606:4700:3036::ac43:bcda2026-07-28 → 2026-07-30 · 3 obs
○ 2026-07-20 13:56:20
● 2026-07-28 10:25:58
● 2026-07-30 18:38:26
○A2a06:98c1:3120::2026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 13:56:20
○ 2026-07-28 10:25:58
○ 2026-07-30 18:38:26
○A2a06:98c1:3121::2026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 13:56:20
○ 2026-07-28 10:25:58
○ 2026-07-30 18:38:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
bookto21.comliv.ns.cloudflare.com, brian.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.188

NS records: liv.ns.cloudflare.com, brian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookto21.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.8.249, 172.67.188.218
AAAA22606:4700:3036::ac43:bcda, 2606:4700:3035::6815:8f9
NS2brian.ns.cloudflare.com, liv.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brian.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bookto21.com directs to four IP numbers, which are 104.21.8.249, 172.67.188.218, 2606:4700:3035::6815:8f9 and 2606:4700:3036::ac43:bcda.

Among the host names that share IP numbers with bookto21.com are wxybkj.com, barstowairconditioningservice.com, imstillstandingbygracemd.com and two others.

Name Servers

bookto21.com is served by two delegated name servers, brian.ns.cloudflare.com and liv.ns.cloudflare.com.

bookto21.com has the same name server delegation as a number of other domains, such as bookto20.com, p-3m.com, newtoki552.com and two more.

At least some of bookto21.com's name servers are shared with other domains, for example autolyk.com, midwestrocktops.com, teraboxfreewatch.space and two more.

These name servers tend to be used in conjunction with the name servers elma.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

brian.ns.cloudflare.com carries IP addresses 108.162.195.36, 162.159.44.36 and 172.64.35.36, with 3 other addresses beyond those.

liv.ns.cloudflare.com carries IP addresses 108.162.192.188, 172.64.32.188 and 173.245.58.188, with 3 other addresses beyond those.