open-science-central.com - robtex.com
open-science-central.com
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=1775432622 | ||||||
Same first word
open-science-central.com |
DNS History
12 records (6 active, 6 former)
○NSns10.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
○NSns11.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
○NSns12.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
○NSns13.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
○NSns14.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
○NSns15.dnsmadeeasy.com2015-08-19 → 2017-10-17 · 4 obs
● 2017-10-17 15:00:56
○ 2026-02-21 16:17:04
○ 2026-04-06 00:01:42
●NSpdns1.ultradns.net2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
●NSpdns2.ultradns.net2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
●NSpdns3.ultradns.org2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
●NSpdns4.ultradns.org2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
●NSpdns5.ultradns.info2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
●NSpdns6.ultradns.co.uk2026-02-21 → 2026-04-06 · 3 obs
● 2026-02-21 16:17:04
● 2026-04-06 00:01:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net... | - |
| open-science-central.com | pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server:204.74.108.1
NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for open-science-central.com (unsigned zone)
⏱️ Timing
Total: 922ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net hostmaster.springer.c |
Analysis
Name Servers
open-science-central.com delegates to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
open-science-central.com at least partially shares name servers with other domains, for instance espedia.kr, location-de-vehicules.net, 250.41.72.in-addr.arpa, expediacop.com and pdchealthcare.nl.
These name servers are commonly used with the following: udns1.ultradns.net, udns2.ultradns.net, dns-external-master.amazon.com and dns1.p01.nsone.net.
Host names with two IP numbers:
pdns5.ultradns.info points to 2610:a1:1016::1 and 204.74.114.1.
pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1.
pdns2.ultradns.net points to 2610:a1:1014::1 and 204.74.109.1.
pdns3.ultradns.org points to 2610:a1:1015::1 and 199.7.68.1.
pdns4.ultradns.org points to 2001:502:4612::1 and 199.7.69.1.
pdns6.ultradns.co.uk points to 2610:a1:1017::1 and 204.74.115.1.