2ndbook.org - robtex.com
2ndbook.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3953🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:a18f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.83Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.161.143🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kami.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 108.162.192.177🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 172.64.32.177🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 173.245.58.177🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| NS | micah.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bce🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ce🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ce🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| A | 108.162.193.206🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| A | 172.64.33.206🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| A | 173.245.59.206🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | micah.ns.cloudflare.com | ||||||
| MX | mail.2ndbook.org ⭐ | ||||||
| A | 99.198.111.154🇺🇸 SINGLEHOP99.198.96.0/20 | ||||||
| PTR | d.hostknox.com | ||||||
| TXT | v=spf1 a mx -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.57.83, 172.67.161.143 | ||||||
| IPv6 | 2606:4700:3031::6815:3953, 2606:4700:3031::ac43:a18f | ||||||
| SOA | kami.ns.cloudflare.comdns@cloudflare.com serial=2399303539 | ||||||
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=1773551953 | ||||||
Same first word
DNS History
7 records (7 active, 0 former)
●NSkami.ns.cloudflare.com2026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●NSmicah.ns.cloudflare.com2026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●MXmail.2ndbook.org2026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●A104.21.57.832026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●A172.67.161.1432026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●A2606:4700:3031::6815:39532026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
●A2606:4700:3031::ac43:a18f2026-03-02 → 2026-03-24 · 2 obs
● 2026-03-24 01:14:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 2ndbook.org | kami.ns.cloudflare.com, micah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.177
NS records: kami.ns.cloudflare.com, micah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2ndbook.org (unsigned zone)
⏱️ Timing
Total: 260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.57.83, 172.67.161.143 |
| AAAA | 2 | 2606:4700:3031::6815:3953, 2606:4700:3031::ac43:a18f |
| NS | 2 | kami.ns.cloudflare.com, micah.ns.cloudflare.com |
| MX | 1 | mail.2ndbook.org (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kami.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
2ndbook.org resolves to four IP numbers: 2606:4700:3031::6815:3953, 2606:4700:3031::ac43:a18f, 104.21.57.83 and 172.67.161.143.
other host names for instance nthzine.com, w7853.com, camgalleria.com, www.lot88.net and briandickinson.net.cdn.cloudflare.net share IP numbers with 2ndbook.org.
Name Servers
2ndbook.org is delegated to two name servers: kami.ns.cloudflare.com and micah.ns.cloudflare.com.
2ndbook.org shares the same name server setup as other domains, for example praschhof-lungau.at, recifepasseios.com.br, drherz.org, indicados.com.br and fitmotherproject.com.
2ndbook.org at least partially shares name servers with other domains, for instance ihuman.dk, latblog.com, 2change.co.il, khabrna.com and tradecom48.ru.
These name servers are commonly used with evan.ns.cloudflare.com, love.ns.cloudflare.com and rodney.ns.cloudflare.com.
Host names with six IP numbers:
kami.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab1, 2803:f800:50::6ca2:c0b1, 2a06:98c1:50::ac40:20b1, 108.162.192.177, 172.64.32.177 and 173.245.58.177; micah.ns.cloudflare.com points to: 2606:4700:58::adf5:3bce, 2803:f800:50::6ca2:c1ce, 2a06:98c1:50::ac40:21ce, 108.162.193.206, 172.64.33.206 and 173.245.59.206.
Mail Servers
2ndbook.org is handled by a single mail server, mail.2ndbook.org.
Host name mail.2ndbook.org points to IP address 99.198.111.154.