ctst.com - dns.ninja
ctst.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns82.ultradns.biz ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1015::76🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns82.ultradns.biz | ||||||
| A | 156.154.66.82🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns82.ultradns.biz | ||||||
| NS | pdns82.ultradns.com ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::76🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns82.ultradns.com | ||||||
| A | 156.154.64.82🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns82.ultradns.com | ||||||
| NS | pdns82.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1014::76🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns82.ultradns.net | ||||||
| A | 156.154.65.82🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns82.ultradns.net | ||||||
| NS | pdns82.ultradns.org ⚠️ Not in zone NS records | ||||||
| A | 2001:502:4612::76🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns82.ultradns.org | ||||||
| A | 156.154.67.82🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns82.ultradns.org | ||||||
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=1785419717 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.ctst.com2015-08-23 → 2017-01-20 · 4 obs
● 2017-01-20 07:07:58
○ 2026-07-14 23:46:20
○ 2026-07-30 13:59:28
●NSpdns82.ultradns.biz2015-08-23 → 2026-07-30 · 2 obs
● 2026-07-30 13:59:28
●NSpdns82.ultradns.com2015-08-23 → 2026-07-30 · 2 obs
● 2026-07-30 13:59:28
●NSpdns82.ultradns.net2015-08-23 → 2026-07-30 · 2 obs
● 2026-07-30 13:59:28
●NSpdns82.ultradns.org2015-08-23 → 2026-07-30 · 2 obs
● 2026-07-30 13:59:28
○MXmx1.sherweb2010.com2015-08-23 → 2017-01-20 · 4 obs
● 2017-01-20 07:07:58
○ 2026-07-14 23:46:20
○ 2026-07-30 13:59:28
○MXmx2.sherweb2010.com2015-08-23 → 2017-01-20 · 4 obs
● 2017-01-20 07:07:58
○ 2026-07-14 23:46:20
○ 2026-07-30 13:59:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| ctst.com | pdns82.ultradns.net, pdns82.ultradns.com, pdns82.ultradns.biz, pdns82.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.67.82
NS records: pdns82.ultradns.net, pdns82.ultradns.com, pdns82.ultradns.biz, pdns82.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctst.com (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns82.ultradns.com, pdns82.ultradns.com)
Analysis
Name Servers
Four name servers handle the delegation for ctst.com: pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org.
ctst.com partially shares its NS delegation with several other domains, including kuulas.fi, omnicommediagroup.mobi, drum.co.uk and two others.
pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org each carry two IP addresses. pdns82.ultradns.biz has 156.154.66.82 and 2610:a1:1015::76; pdns82.ultradns.com has 156.154.64.82 and 2001:502:f3ff::76; pdns82.ultradns.net has 156.154.65.82 and 2610:a1:1014::76; pdns82.ultradns.org has 156.154.67.82 and 2001:502:4612::76.