dotnetbooks.com - robtex.com
dotnetbooks.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.worldwidedns.net ⚠️ Not in zone NS records | ||||||
| A | 2001:4802:7a61:501:2422:918:2689:75fc🇺🇸 RACKSPACE-IAD2001:4802::/32 Rackspace IAD | ||||||
| A | 207.97.208.112🇺🇸 RACKSPACE-IAD207.97.192.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| NS | ns2.worldwidedns.net ⚠️ Not in zone NS records | ||||||
| A | 2a06:fb00:1::2:115🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | ns42.worldwidedns.net | ||||||
| A | 185.136.97.115CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | ns42.worldwidedns.net | ||||||
| NS | ns3.worldwidedns.net ⚠️ Not in zone NS records | ||||||
| A | 2a06:fb00:1::3:115🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | ns43.worldwidedns.net | ||||||
| A | 185.136.98.115🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd | ||||||
| PTR | ns43.worldwidedns.net | ||||||
| MX | localhost ⭐ | ||||||
| TXT | expired | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774726297 | ||||||
Subdomains
mail.dotnetbooks.com |
DNS History
10 records (4 active, 6 former)
○NSns1.livedns.co.uk2015-08-05 → 2017-09-30 · 4 obs
● 2017-09-30 07:48:10
○ 2026-03-28 19:41:16
○ 2026-03-28 19:41:18
●NSns1.worldwidedns.net2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 19:41:16
● 2026-03-28 19:41:18
○NSns2.livedns.co.uk2015-08-05 → 2017-09-30 · 4 obs
● 2017-09-30 07:48:10
○ 2026-03-28 19:41:16
○ 2026-03-28 19:41:18
●NSns2.worldwidedns.net2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 19:41:16
● 2026-03-28 19:41:18
○NSns3.livedns.co.uk2015-08-05 → 2017-09-30 · 4 obs
● 2017-09-30 07:48:10
○ 2026-03-28 19:41:16
○ 2026-03-28 19:41:18
●NSns3.worldwidedns.net2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 19:41:16
● 2026-03-28 19:41:18
●MXlocalhost2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 19:41:16
● 2026-03-28 19:41:18
○MXmailserver.dotnetbooks.com2015-08-05 → 2017-09-30 · 4 obs
● 2017-09-30 07:48:10
○ 2026-03-28 19:41:16
○ 2026-03-28 19:41:18
○A213.171.218.1942015-08-05 → 2016-04-11 · 4 obs
● 2016-04-11 11:19:52
○ 2016-11-20 14:12:36
○ 2026-03-28 19:41:18
○A88.208.252.2352016-11-20 → 2017-09-30 · 5 obs
● 2016-11-20 14:12:36
● 2017-09-30 07:48:10
○ 2026-03-28 19:41:16
○ 2026-03-28 19:41:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| dotnetbooks.com | ns2.worldwidedns.net, ns1.worldwidedns.net, ns3.worldwidedns.net | - |
✅ Authoritative Response
Server:185.136.97.115
NS records: ns2.worldwidedns.net, ns1.worldwidedns.net, ns3.worldwidedns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dotnetbooks.com (unsigned zone)
⏱️ Timing
Total: 952ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| AAAA | 1 | ::1 |
| MX | 1 | localhost (pri: 0) |
Analysis
Hierarchy
The parent of mail.dotnetbooks.com is dotnetbooks.com.
Name Servers
dotnetbooks.com is delegated to three name servers ns1.worldwidedns.net, ns2.worldwidedns.net and ns3.worldwidedns.net.
dotnetbooks.com at least partially shares name servers with other domains, for instance netpoint.net, realtystationinc.com, nirmalbhartia.org, kavsons.com and hotelcamea.com.
these name servers are commonly used with ns41.worldwidedns.net, ns42.worldwidedns.net, ns43.worldwidedns.net, ns4.by-design.net, ns5.by-design.net, ns1.fastzonefiles.net, ns2.fastzonefiles.net, ns3.fastzonefiles.net, ns4.worldwidedns.net and ns5.worldwidedns.net.
Host names with two IP numbers:
ns1.worldwidedns.net points to 2001:4802:7a61:501:2422:918:2689:75fc and 207.97.208.112; ns2.worldwidedns.net points to 2a06:fb00:1::2:115 and 185.136.97.115; ns3.worldwidedns.net points to 2a06:fb00:1::3:115 and 185.136.98.115.
Mail Servers
dotnetbooks.com is handled by a single mail server, localhost.
dotnetbooks.com uses the same mail server setup as other domains, for instance bauplus.com, webcamerachat.com, cmmtr.com, 5-2.de and lx.cl.