librarycentral.com - robtex.com
librarycentral.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.proquest.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.proquest.com ⚠️ Not in zone NS records | ||||||
| NS | ns3.proquest.com ⚠️ Not in zone NS records | ||||||
| NS | ns4.proquest.com ⚠️ Not in zone NS records | ||||||
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=1786248204 | ||||||
Same first word
librarycentral.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.proquest.com2026-05-26 → 2026-08-09 · 3 obs
○ 2015-06-23 04:13:26
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
●NSns2.proquest.com2026-05-26 → 2026-08-09 · 3 obs
○ 2015-06-23 04:13:26
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
○NSns3.bigchalk.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 16:00:46
○ 2015-06-23 04:13:26
○ 2026-08-09 04:09:34
○ 2015-06-23 04:13:26
○ 2026-08-09 04:09:34
●NSns3.proquest.com2026-05-26 → 2026-08-09 · 3 obs
○ 2015-06-23 04:13:26
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
○NSns4.bigchalk.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 16:00:46
○ 2015-06-23 04:13:26
○ 2026-08-09 04:09:34
○ 2015-06-23 04:13:26
○ 2026-08-09 04:09:34
●NSns4.proquest.com2026-05-26 → 2026-08-09 · 3 obs
○ 2015-06-23 04:13:26
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
● 2026-05-26 00:36:52
● 2026-08-09 04:09:34
🔍 DNS Trace
Analysis
Name Servers
The NS records for librarycentral.com point to four name servers: ns1.proquest.com, ns2.proquest.com, ns3.proquest.com and ns4.proquest.com.
There is at least partial name server overlap between librarycentral.com and other domains — classpaper.com, explorasource.com, proquestoneacademic.com and two more among them.
These name servers regularly appear alongside ns1.nameresolve.com, ns2.nameresolve.com, ns1.ipower.com and 7 other name servers in NS record sets.