substack.co - dns.ninja
substack.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759675111 | ||||||
Same first word
substack.life |
substack.info |
substack.com |
substack.today |
substack.net |
substack.support |
substack.link |
substack.co |
substack.ai |
substack.ca |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.parkingcrew.net2026-04-04 → 2026-06-05 · 2 obs
● 2026-06-05 12:27:06
●NSns2.parkingcrew.net2026-04-04 → 2026-06-05 · 2 obs
● 2026-06-05 12:27:06
●MXmail.h-email.net2026-04-04 → 2026-06-05 · 2 obs
● 2026-06-05 12:27:06
●A104.247.81.992026-04-04 → 2026-06-05 · 4 obs
○ 2026-04-13 09:29:48
● 2026-04-14 07:56:44
● 2026-06-05 12:27:06
○A185.53.178.992026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 09:29:48
○ 2026-04-14 07:56:44
○ 2026-06-05 12:27:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| substack.co | ns1.parkingcrew.net, ns2.parkingcrew.net | - |
✅ Authoritative Response
Server:13.248.158.159
NS records: ns1.parkingcrew.net, ns2.parkingcrew.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substack.co (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.247.81.99 |
| NS | 2 | ns1.parkingcrew.net, ns2.parkingcrew.net |
| MX | 1 | mail.h-email.net (pri: 5) |
| TXT | 1 | v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| SOA | 1 | ns1.parkingcrew.net hostmaster.substack. |
Analysis
IP Addresses
substack.co has exactly one IP address — 104.247.81.99.
pc-182-127.cable.aina.net, 121-72-134-233.dsl.telstraclear.net, mail.gratisboard.de plus two other host names have IP numbers in common with substack.co.
Name Servers
The NS records for substack.co delegate to ns1.parkingcrew.net and ns2.parkingcrew.net.
The name server configuration of substack.co is shared with other domains, for instance rates.html.pl, yourmoneyguide.mobi, suphia.com and two others.
substack.co shares at least some of its name servers with other domains, including int1.darkorbit.oyun.samsundahaber.com, 115.1.27.static-mumbai.tcl.net.in, static-130.209.99.14-tataidc.co.in and two others.
ns1.parkingcrew.net and ns2.parkingcrew.net each resolve to one IP number: ns1.parkingcrew.net points to 13.248.158.159 and ns2.parkingcrew.net points to 76.223.21.9.
Mail Servers
substack.co uses one mail server — mail.h-email.net.
The mail server setup of substack.co matches that of other domains such as seruv.org.il, sucursalvirtualbancolombia.com, stars24.de and two others.
mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus seven other addresses.