textbookofsurgery.com - robtex.com
textbookofsurgery.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.reedelsevier.com ⭐ | ||||||
| A | 138.12.4.5🇺🇸 AS32472138.12.0.0/17 | ||||||
| PTR | ns1.reedelsevier.com | ||||||
| NS | ns2.reedelsevier.com | ||||||
| A | 198.176.82.98🇬🇧 REED-ELSEVIER-EMEA-GCC198.176.82.0/24 | ||||||
| NS | ns3.reedelsevier.com | ||||||
| A | 198.176.82.101🇬🇧 REED-ELSEVIER-EMEA-GCC198.176.82.0/24 | ||||||
| PTR | ns3.reedelsevier.com | ||||||
| SOA | ns1.reedelsevier.comhostmaster@elsevier.co.uk 2011-07-07 #35 | ||||||
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=1776791147 | ||||||
Same first word
textbookofsurgery.com |
DNS History
10 records (3 active, 7 former)
○NSns.elsevier.co.uk2015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
○NSns0-t.dns.pipex.net2015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
○NSns1-t.dns.pipex.net2015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
●NSns1.reedelsevier.com2026-04-04 → 2026-04-21 · 3 obs
● 2026-04-04 01:24:30
● 2026-04-21 17:14:40
●NSns2.reedelsevier.com2026-04-04 → 2026-04-21 · 3 obs
● 2026-04-04 01:24:30
● 2026-04-21 17:14:40
●NSns3.reedelsevier.com2026-04-04 → 2026-04-21 · 3 obs
● 2026-04-04 01:24:30
● 2026-04-21 17:14:40
○MXmail1.harcourt.com2015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
○MXmail2.harcourt.com2015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
○A145.36.214.672015-05-25 → 2016-11-24 · 4 obs
● 2016-11-24 21:38:28
○ 2026-04-04 01:24:30
○ 2026-04-21 17:14:40
○A217.19.248.1322026-04-04 → 2026-04-21 · 2 obs
○ 2026-04-21 17:14:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net... | - |
| textbookofsurgery.com | ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com | 3 records |
✅ Authoritative Response
Server:138.12.4.5
NS records: ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for textbookofsurgery.com (unsigned zone)
⏱️ Timing
Total: 3201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.reedelsevier.com, ns3.reedelsevier.com... |
| SOA | 1 | ns1.reedelsevier.com hostmaster.elsevier |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com)
Analysis
Name Servers
The delegation for textbookofsurgery.com is handled by three name servers: ns1.reedelsevier.com, ns2.reedelsevier.com and ns3.reedelsevier.com.
textbookofsurgery.com at least partially shares name servers with other domains, for instance relxplc.uk, jpain.org, thecsmgr.com, subjectchairs.com and healthpolicyjrnl.net.
Host names with one IP number:
ns1.reedelsevier.com points to 138.12.4.5.
ns2.reedelsevier.com points to 198.176.82.98.
ns3.reedelsevier.com points to 198.176.82.101.