subst.com - dns.ninja
subst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.55.210.157🇨🇦 Equinix216.55.208.0/21 Proxy for Allstream Customer | ||||||
| NS | pdns03.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21f0::33🇺🇸 GODADDY-DNS2603:5:21f0::/44 | ||||||
| PTR | pdns03.domaincontrol.com | ||||||
| A | 97.74.111.51🇺🇸 GODADDY-DNS97.74.110.0/23 | ||||||
| PTR | pdns03.domaincontrol.com | ||||||
| NS | pdns04.domaincontrol.com | ||||||
| A | 2603:5:22f0::33🇺🇸 GODADDY-DNS2603:5:22f0::/44 | ||||||
| PTR | pdns04.domaincontrol.com | ||||||
| A | 173.201.79.51🇺🇸 GODADDY-DNS173.201.78.0/23 | ||||||
| PTR | pdns04.domaincontrol.com | ||||||
| MX | mail.subst.com ⭐ | ||||||
| A | 216.55.210.158🇨🇦 Equinix216.55.208.0/21 Proxy for Allstream Customer | ||||||
| PTR | mail.subst.com | ||||||
| TXT | v=spf1 mx ip4:216.55.210.158 ip4:216.55.210.157 ip4:216.55.210.130 -all | ||||||
| SOA | pdns03.domaincontrol.comdns@jomax.net 2021-10-27 #2 | ||||||
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=1784476337 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSdns.wellnesscheckpoint.com2016-12-10 → 2016-12-10 · 4 obs
● 2016-12-10 07:44:06
○ 2026-03-23 08:45:26
○ 2026-07-19 16:09:32
○NSdns1.subst.com2007-11-10 → 2007-11-10 · 3 obs
○ 2015-08-21 19:59:20
○ 2026-07-19 16:09:32
○NSdns3.webfury.net2007-11-10 → 2016-05-18 · 4 obs
● 2016-05-18 07:46:06
○ 2016-12-10 07:44:06
○ 2026-07-19 16:09:32
●NSpdns03.domaincontrol.com2015-08-21 → 2026-07-19 · 3 obs
● 2015-08-21 19:59:20
● 2026-07-19 16:09:32
●NSpdns04.domaincontrol.com2015-08-21 → 2026-07-19 · 3 obs
● 2015-08-21 19:59:20
● 2026-07-19 16:09:32
○NSpuck.nether.net2015-08-21 → 2016-12-10 · 5 obs
● 2015-08-21 19:59:20
● 2016-12-10 07:44:06
○ 2026-03-23 08:45:26
○ 2026-07-19 16:09:32
●MXmail.subst.com2007-11-10 → 2026-07-19 · 2 obs
● 2026-07-19 16:09:32
○A139.142.233.1522015-08-21 → 2016-05-18 · 5 obs
● 2015-08-21 19:59:20
● 2016-05-18 07:46:06
○ 2016-12-10 07:44:06
○ 2026-07-19 16:09:32
○A139.142.233.1542007-11-10 → 2007-11-10 · 3 obs
○ 2015-08-21 19:59:20
○ 2026-07-19 16:09:32
●A216.55.210.1572016-12-10 → 2026-07-19 · 3 obs
● 2016-12-10 07:44:06
● 2026-07-19 16:09:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| subst.com | pdns03.domaincontrol.com, pdns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.79.51
NS records: pdns03.domaincontrol.com, pdns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for subst.com (unsigned zone)
⏱️ Timing
Total: 226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.55.210.157 |
| NS | 2 | pdns04.domaincontrol.com, pdns03.domaincontrol.com |
| MX | 1 | mail.subst.com (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:216.55.210.158 ip4:216.55. |
| SOA | 1 | pdns03.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns03.domaincontrol.com, pdns03.domaincontrol.com, pdns04.domaincontrol.com...)
Analysis
Hierarchy
subst.com serves as the parent of www.subst.com and mail.subst.com.
IP Addresses
subst.com has exactly one IP address — 216.55.210.157.
Additional host names such as webfury.net, zorianna.com, ehrmantraut.ca and www.subst.com share IP numbers with subst.com.
Name Servers
subst.com is served by two delegated name servers, pdns03.domaincontrol.com and pdns04.domaincontrol.com.
The name server configuration of subst.com is shared with other domains, for instance bankersbankleasing.com, orilliabinrental.com, r3thinkyouroptions.com and two others.
subst.com has a partial name server overlap with other domains — among them jevisite.ca and cedarslakeside.com.
Each of the two host names carries two IP addresses: pdns03.domaincontrol.com points to 97.74.111.51 and 2603:5:21f0::33, and pdns04.domaincontrol.com points to 173.201.79.51 and 2603:5:22f0::33.
Mail Servers
subst.com uses one mail server — mail.subst.com.
subst.com uses the same mail servers as other domains, including alive-health.ca.
There is one IP number for mail.subst.com: 216.55.210.158.