proxy.crestron.io - robtex.com
proxy.crestron.io
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns81.ultradns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:502:f3ff::75🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns81.ultradns.com | ||||||
| A | 156.154.64.81🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns81.ultradns.com | ||||||
| NS | pdns81.ultradns.biz ⚠️ Not in parent delegation | ||||||
| A | 2610:a1:1015::75🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns81.ultradns.biz | ||||||
| A | 156.154.66.81🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns81.ultradns.biz | ||||||
| NS | pdns81.ultradns.net ⚠️ Not in parent delegation | ||||||
| A | 2610:a1:1014::75🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns81.ultradns.net | ||||||
| A | 156.154.65.81🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns81.ultradns.net | ||||||
| NS | pdns81.ultradns.org ⚠️ Not in parent delegation | ||||||
| A | 2001:502:4612::75🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns81.ultradns.org | ||||||
| A | 156.154.67.81🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns81.ultradns.org | ||||||
| SOA | pdns81.ultradns.commpetrone@crestron.com 2021-10-01 #10 | ||||||
crestron.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 40.121.221.52🇺🇸 Microsoft40.120.0.0/14 | ||||||
| NS | pdns81.ultradns.com ⭐ | ||||||
| NS | pdns81.ultradns.biz | ||||||
| NS | pdns81.ultradns.net | ||||||
| NS | pdns81.ultradns.org | ||||||
| TXT | MS=ms99008059 | ||||||
| TXT | _1ydibov0gmp2nvw743pk6givre4juhi | ||||||
| TXT | _36na5i395xugs6zbmugkizrqm4zbxu6 | ||||||
| TXT | _u9vruct99s44fsurz65rak4atn3rky0 | ||||||
| TXT | _xl5o1s4lvlmo9yjdy1id4fsoki78hli | ||||||
| TXT | 4757-67D4-EDC9-1339-2641-129B-2D9C-FA89 | ||||||
| TXT | v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all | ||||||
| TXT | google-site-verification=A4ePJhujyOtSJ34ps8QsUKltidHfKujyLSajzRpf9Sk
| ||||||
| SOA | pdns81.ultradns.comsking@crestron.com serial=2017033533 | ||||||
Subdomains
relayapi.proxy.crestron.io |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSpdns81.ultradns.biz2026-02-27 → 2026-04-15 · 2 obs
● 2026-04-15 03:50:26
●NSpdns81.ultradns.com2026-02-27 → 2026-04-15 · 2 obs
● 2026-04-15 03:50:26
●NSpdns81.ultradns.net2026-02-27 → 2026-04-15 · 2 obs
● 2026-04-15 03:50:26
●NSpdns81.ultradns.org2026-02-27 → 2026-04-15 · 2 obs
● 2026-04-15 03:50:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | b0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io | - |
| crestron.io | pdns81.ultradns.com, pdns81.ultradns.net, pdns81.ultradns.biz, pdns81.ultradns.org | - |
✅ Authoritative Response
Server:156.154.64.81
NS records: pdns81.ultradns.com, pdns81.ultradns.net, pdns81.ultradns.biz, pdns81.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crestron.io (unsigned zone)
⏱️ Timing
Total: 393ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | pdns81.ultradns.biz, pdns81.ultradns.com... |
| SOA | 1 | pdns81.ultradns.com mpetrone.crestron.co |
Analysis
Hierarchy
proxy.crestron.io is the parent of relayapi.proxy.crestron.io.
Name Servers
proxy.crestron.io is delegated to four name servers: pdns81.ultradns.biz, pdns81.ultradns.com, pdns81.ultradns.net and pdns81.ultradns.org.
proxy.crestron.io at least partially shares name servers with other domains, for instance techdepot.gr, viking-direct.org, officepost.nl, cintitle.com and officedepotreturns.com.
Host names with two IP numbers:
pdns81.ultradns.biz points to 2610:a1:1015::75 and 156.154.66.81; pdns81.ultradns.com points to 2001:502:f3ff::75 and 156.154.64.81; pdns81.ultradns.net points to 2610:a1:1014::75 and 156.154.65.81; pdns81.ultradns.org points to 2001:502:4612::75 and 156.154.67.81.