book18.org - robtex.com
book18.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:5d15🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3030::ac43:cb03🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.93.21Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.203.3🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jay.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 108.162.193.123🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 172.64.33.123🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 173.245.59.123🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| NS | michelle.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| A | 108.162.192.201🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| A | 172.64.32.201🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| A | 173.245.58.201🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | michelle.ns.cloudflare.com | ||||||
| TXT | google-site-verification=aLuu-M-u16KblB1BNatdcOvTT4Oe6IRKcT5WQM9QuVQ | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.93.21, 172.67.203.3 | ||||||
| IPv6 | 2606:4700:3030::6815:5d15, 2606:4700:3030::ac43:cb03 | ||||||
| SOA | jay.ns.cloudflare.comdns@cloudflare.com serial=2396328516 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSjay.ns.cloudflare.com2026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
●NSmichelle.ns.cloudflare.com2026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
●A104.21.93.212026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
●A172.67.203.32026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
●A2606:4700:3030::6815:5d152026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
●A2606:4700:3030::ac43:cb032026-02-23 → 2026-03-09 · 2 obs
● 2026-03-09 15:36:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| book18.org | jay.ns.cloudflare.com, michelle.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.33.123
NS records: jay.ns.cloudflare.com, michelle.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for book18.org (unsigned zone)
⏱️ Timing
Total: 616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.93.21, 172.67.203.3 |
| AAAA | 2 | 2606:4700:3030::ac43:cb03, 2606:4700:3030::6815:5d15 |
| NS | 2 | jay.ns.cloudflare.com, michelle.ns.cloudflare.com |
| TXT | 1 | google-site-verification=aLuu-M-u16KblB1 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jay.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
Four IP numbers are pointed to by book18.org: 2606:4700:3030::6815:5d15, 2606:4700:3030::ac43:cb03, 104.21.93.21 and 172.67.203.3.
other host names including karenthrelkelnd.com, www.ghostworld-themovie.com, jingjishe.com, agokhale.com and fafa29.com share IP numbers with book18.org.
Name Servers
book18.org is delegated to two name servers jay.ns.cloudflare.com and michelle.ns.cloudflare.com.
book18.org shares the same name server setup as other domains, for instance (0x736578)1.org, oasissalon.net, everafter.gr, jav.place and qingse.one.
book18.org at least partially shares name servers with other domains, for instance protocoljmkmadyu78723t5.pages.dev, suaragame.id, blundstone.de, hospitalitytechnology.com.mv and metroresidences.sg.
These name servers are commonly used alongside luke.ns.cloudflare.com and devin.ns.cloudflare.com.
Host names with six IP numbers:
Host name jay.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7b, 2803:f800:50::6ca2:c17b, 2a06:98c1:50::ac40:217b, 108.162.193.123, 172.64.33.123 and 173.245.59.123.
Host name michelle.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac9, 2803:f800:50::6ca2:c0c9, 2a06:98c1:50::ac40:20c9, 108.162.192.201, 172.64.32.201 and 173.245.58.201.