fbooks.us - robtex.com
fbooks.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1784186182 | ||||||
Subdomains
www.fbooks.us |
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
○NSns1.alwaysdnsllc.com2018-09-16 → 2018-09-16 · 3 obs
○ 2026-06-21 20:55:46
○ 2026-07-16 07:50:36
●NSns1036.ui-dns.org2026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
●NSns1083.ui-dns.biz2026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
●NSns1094.ui-dns.de2026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
●NSns1111.ui-dns.com2026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
○NSns2.alwaysdnsllc.com2018-09-16 → 2018-09-16 · 3 obs
○ 2026-06-21 20:55:46
○ 2026-07-16 07:50:36
●A2607:f1c0:100f:f000::2002026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
○A40.84.192.2212018-09-16 → 2018-09-16 · 3 obs
○ 2026-06-21 20:55:46
○ 2026-07-16 07:50:36
●A74.208.236.2222026-06-21 → 2026-07-16 · 3 obs
● 2026-06-21 20:55:46
● 2026-07-16 07:50:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| fbooks.us | ns1083.ui-dns.biz, ns1094.ui-dns.de, ns1111.ui-dns.com, ns1036.ui-dns.org | - |
✅ Authoritative Response
Server:217.160.83.36
NS records: ns1083.ui-dns.biz, ns1094.ui-dns.de, ns1111.ui-dns.com, ns1036.ui-dns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fbooks.us (unsigned zone)
⏱️ Timing
Total: 1518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.208.236.222 |
| AAAA | 1 | 2607:f1c0:100f:f000::200 |
| NS | 4 | ns1111.ui-dns.com, ns1083.ui-dns.biz... |
| MX | 2 | mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-us.ionos.com ~all |
| SOA | 1 | ns1036.ui-dns.org hostmaster.1und1.com |
Analysis
Hierarchy
www.fbooks.us is delegated beneath fbooks.us.
IP Addresses
fbooks.us has two IP addresses: 74.208.236.222 and 2607:f1c0:100f:f000::200
Two other host names, along with nitelynx.com, talanow.com and drivereducationstation.com, also share IP numbers with fbooks.us.
Name Servers
The NS records for fbooks.us point to four name servers: ns1083.ui-dns.biz, ns1111.ui-dns.com, ns1094.ui-dns.de and ns1036.ui-dns.org.
There is at least partial name server overlap between fbooks.us and other domains — colonialbrickandstone.com, 3813444.com, pse-gmbh.net and two more among them.
These name servers regularly appear alongside ns1083.ui-dns.com, ns1083.ui-dns.de, ns1083.ui-dns.org and 7 other name servers in NS record sets.
All four hostnames — ns1083.ui-dns.biz, ns1111.ui-dns.com, ns1094.ui-dns.de and ns1036.ui-dns.org — resolve to two IP numbers apiece: ns1083.ui-dns.biz to 185.132.33.83 and 2607:f1c0:fe:53:185:132:33:83; ns1111.ui-dns.com to 217.160.82.111 and 2001:8d8:fe:53:0:d9a0:526f:100; ns1094.ui-dns.de to 185.132.32.94 and 2607:f1c0:fe:53:185:132:32:94; ns1036.ui-dns.org to 217.160.83.36 and 2001:8d8:fe:53:0:d9a0:5324:100.
Mail Servers
fbooks.us is served by two mail servers, mx00.ionos.com and mx01.ionos.com.
Among the domains sharing a mail server setup with fbooks.us are gpstrackingrealtime.com, daivus.com, rustedhinge.com and two others.
fbooks.us and other domains — lvlup.vc for instance — share at least some mail servers.
mx00.ionos.com → 74.208.5.3 and mx01.ionos.com → 74.208.5.21: one IP number per host name.