chembook.org - robtex.com
chembook.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.180.5.9🇺🇸 AS400754107.180.0.0/18 IAD2 Allocation | ||||||
| PTR | 9.5.180.107.host.secureserver.net | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| MX | mail.chembook.org ⭐ | ||||||
| A | 107.180.5.9🇺🇸 AS400754107.180.0.0/18 IAD2 Allocation | ||||||
| PTR | 9.5.180.107.host.secureserver.net | ||||||
| TXT | v=spf1 a mx ptr include:secureserver.net ~all | ||||||
| TXT | google-site-verification=UF6OcLFnREPh28BPVVktryKTGZXJsLKXXwe3I-pes7A | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2023-06-07 #0 | ||||||
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=1775993258 | ||||||
Subdomains
mail.chembook.org |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns17.domaincontrol.com2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 11:47:28
●NSns18.domaincontrol.com2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 11:47:28
○NSns77.domaincontrol.com2015-11-13 → 2016-07-02 · 4 obs
● 2016-07-02 04:52:22
○ 2017-02-09 05:47:24
○ 2026-04-12 11:47:28
○NSns78.domaincontrol.com2015-11-13 → 2016-07-02 · 4 obs
● 2016-07-02 04:52:22
○ 2017-02-09 05:47:24
○ 2026-04-12 11:47:28
●MXmail.chembook.org2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 11:47:28
○MXmailstore1.secureserver.net2015-11-13 → 2016-07-02 · 4 obs
● 2016-07-02 04:52:22
○ 2017-02-09 05:47:24
○ 2026-04-12 11:47:28
○MXsmtp.secureserver.net2015-11-13 → 2016-07-02 · 4 obs
● 2016-07-02 04:52:22
○ 2017-02-09 05:47:24
○ 2026-04-12 11:47:28
●A107.180.5.92026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 11:47:28
○A184.168.221.412015-11-13 → 2016-07-02 · 4 obs
● 2016-07-02 04:52:22
○ 2017-02-09 05:47:24
○ 2026-04-12 11:47:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| chembook.org | ns18.domaincontrol.com, ns17.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.9
NS records: ns18.domaincontrol.com, ns17.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chembook.org (unsigned zone)
⏱️ Timing
Total: 341ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.180.5.9 |
| NS | 2 | ns17.domaincontrol.com, ns18.domaincontrol.com |
| MX | 1 | mail.chembook.org (pri: 0) |
| TXT | 2 | v=spf1 a mx ptr include:secureserver.net, google-site-verification=UF6OcLFnREPh28B |
| SOA | 1 | ns17.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
chembook.org is the parent of mail.chembook.org.
IP Addresses
chembook.org points to IP number 107.180.5.9.
For instance, other host names mail.pemberley.com, pemberley.com, uttarakhandtaxi.com, ca-hemp.com and gsquaredguns.com share IP numbers with chembook.org.
Name Servers
chembook.org is delegated to two name servers: ns17.domaincontrol.com and ns18.domaincontrol.com.
chembook.org uses the same name server setup as other domains such as io2ui.com, hssb-online.de, agorau.com, montessori-international.ca and varsitygenie.com.
Host names with two IP numbers:
ns17.domaincontrol.com points to 2603:5:21c0::9 and 97.74.108.9; ns18.domaincontrol.com points to 2603:5:22c0::9 and 173.201.76.9.
Mail Servers
chembook.org is handled by a single mail server, mail.chembook.org.
mail.chembook.org points to a single IP: 107.180.5.9.