`polyextranet.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.com`hostmaster@lexisnexis.com serial=18

`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.net`nstld@verisign-grs.com serial=1776097247

Same first word

polyextranet.com

polyextranet.fr

DNS History

6 records (3 active, 3 former)

○NSns1.prosodie.net2015-07-25 → 2017-03-25 · 4 obs

● 2015-07-25 13:25:18
● 2017-03-25 23:39:04
○ 2026-04-08 23:05:38
○ 2026-04-13 16:23:44

●NSns1.reedelsevier.com2026-04-08 → 2026-04-13 · 3 obs

○ 2017-03-25 23:39:04
● 2026-04-08 23:05:38
● 2026-04-13 16:23:44

○NSns2.prosodie.net2015-07-25 → 2017-03-25 · 4 obs

● 2015-07-25 13:25:18
● 2017-03-25 23:39:04
○ 2026-04-08 23:05:38
○ 2026-04-13 16:23:44

●NSns2.reedelsevier.com2026-04-08 → 2026-04-13 · 3 obs

○ 2017-03-25 23:39:04
● 2026-04-08 23:05:38
● 2026-04-13 16:23:44

○NSns3.prosodie.net2015-07-25 → 2017-03-25 · 4 obs

● 2015-07-25 13:25:18
● 2017-03-25 23:39:04
○ 2026-04-08 23:05:38
○ 2026-04-13 16:23:44

●NSns3.reedelsevier.com2026-04-08 → 2026-04-13 · 3 obs

○ 2017-03-25 23:39:04
● 2026-04-08 23:05:38
● 2026-04-13 16:23:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
polyextranet.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 polyextranet.com (unsigned zone)

⏱️ Timing

Total: 3284ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns3.reedelsevier.com, ns1.reedelsevier.com...`
SOA	1	`ns1.reedelsevier.com hostmaster.lexisnex`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com)

Analysis

Name Servers

polyextranet.com is delegated to three name servers: ns1.reedelsevier.com, ns2.reedelsevier.com and ns3.reedelsevier.com.

At least part of the name servers for polyextranet.com are shared with other domains, for instance academicpedsjnl.org, elsevier.jp, ipmanagement-asia.com, theexamninja.com and pcorm.com.

Host names with a single IP:

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

polyextranet.com - robtex.com