encyclopaediaofmath.com - robtex.com
encyclopaediaofmath.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=1774580592 | ||||||
Same first word
encyclopaediaofmath.com |
DNS History
10 records (7 active, 3 former)
○NSdns1.springer.com2015-06-06 → 2018-06-15 · 4 obs
● 2018-06-15 16:43:10
○ 2026-02-21 16:11:18
○ 2026-03-27 03:20:52
○NSdns2.springer.com2015-06-06 → 2018-06-15 · 4 obs
● 2018-06-15 16:43:10
○ 2026-02-21 16:11:18
○ 2026-03-27 03:20:52
○NSdns4.springer.com2015-06-06 → 2018-06-15 · 4 obs
● 2018-06-15 16:43:10
○ 2026-02-21 16:11:18
○ 2026-03-27 03:20:52
●NSpdns1.ultradns.net2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●NSpdns2.ultradns.net2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●NSpdns3.ultradns.org2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●NSpdns4.ultradns.org2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●NSpdns5.ultradns.info2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●NSpdns6.ultradns.co.uk2026-02-21 → 2026-03-27 · 3 obs
● 2026-02-21 16:11:18
● 2026-03-27 03:20:52
●A80.242.138.722015-06-06 → 2026-03-27 · 2 obs
● 2026-03-27 03:20:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| encyclopaediaofmath.com | pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server:199.7.69.1
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 encyclopaediaofmath.com (unsigned zone)
⏱️ Timing
Total: 608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.242.138.72 |
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net hostmaster.springer.c |
Analysis
IP Addresses
encyclopaediaofmath.com points to a single IP address: 80.242.138.72.
Other host names, for instance springerreferencelive.com, springer-live16.xmachina.net, statprob.com and encyclopediaofmath.com share IP numbers with encyclopaediaofmath.com.
Name Servers
encyclopaediaofmath.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.
At least part of the name servers for encyclopaediaofmath.com are shared with other domains, for instance friendfinderinc.com, wirtestenundpunkten.de, 2.69.80.in-addr.arpa, 232.127.199.in-addr.arpa and 137.0.96.in-addr.arpa.
These name servers are commonly used together with the name servers udns1.ultradns.net, udns2.ultradns.net, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net and dns4.p09.nsone.net.
Host pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1.
Host pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1.
Host pdns2.ultradns.net points to: 2610:a1:1014::1 and 204.74.109.1.
Host pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1.
Host pdns4.ultradns.org points to: 2001:502:4612::1 and 199.7.69.1.
Host pdns6.ultradns.co.uk points to: 2610:a1:1017::1 and 204.74.115.1.