systemsbiol.com - robtex.com
systemsbiol.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=1778692166 | ||||||
Same first word
systemsbiol.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSpdns1.ultradns.net2008-03-17 → 2026-05-13 · 4 obs
○ 2015-06-08 10:42:36
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
●NSpdns2.ultradns.net2008-03-17 → 2026-05-13 · 4 obs
○ 2015-06-08 10:42:36
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
●NSpdns3.ultradns.org2008-03-17 → 2026-05-13 · 4 obs
○ 2015-06-08 10:42:36
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
○NSpdns4.ultradns.info2008-03-17 → 2008-03-17 · 3 obs
○ 2015-06-08 10:42:36
○ 2026-05-13 17:25:46
●NSpdns4.ultradns.org2026-03-21 → 2026-05-13 · 3 obs
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
●NSpdns5.ultradns.info2026-03-21 → 2026-05-13 · 3 obs
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
●NSpdns6.ultradns.co.uk2026-03-21 → 2026-05-13 · 3 obs
● 2026-03-21 15:59:34
● 2026-05-13 17:25:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| systemsbiol.com | pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server:204.74.109.1
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 systemsbiol.com (unsigned zone)
⏱️ Timing
Total: 779ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net hostmaster.springerna |
Analysis
Name Servers
systemsbiol.com is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
systemsbiol.com at least partially shares name servers with other domains, for instance nisbets.com, vmdconseil.ca, bmcurol.com, macmillannewwriting.com and hotelscom.net.
These name servers are often used together with the name servers udns1.ultradns.net, udns2.ultradns.net, dns-external-master.amazon.com, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, a1-76.akam.net, a28-67.akam.net and a3-66.akam.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.