substack.us - robtex.com
substack.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1788304403 | ||||||
Same first word
Similar names
csusakbt.hu |
bsctsuka.workers.dev |
basstuck.de |
stackbus.com |
subtsack.com |
usbstack.com |
stabucks.com |
substakc.com |
stabucks.in |
stabucks.ph |
bastucks.com |
stacksub.com |
busstack.com |
stackbus.space |
stabucks.com.ph |
Previous names
Next names
DNS History
9 records (7 active, 2 former)
●NSns1.aftermarket.com2026-08-31 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
●NSns1.afternic.com2026-08-31 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
●NSns2.aftermarket.com2026-08-31 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
●NSns2.afternic.com2026-08-31 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
●MXmx1.simplelogin.co2026-09-02 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
●MXmx2.simplelogin.co2026-09-02 → 2026-09-02 · 2 obs
● 2026-09-02 00:08:00
○A13.248.169.482026-08-31 → 2026-08-31 · 3 obs
○ 2026-09-02 00:07:56
○ 2026-09-02 00:08:00
●A3.33.224.1472026-09-02 → 2026-09-02 · 3 obs
● 2026-09-02 00:07:56
● 2026-09-02 00:08:00
○A76.223.54.1462026-08-31 → 2026-08-31 · 3 obs
○ 2026-09-02 00:07:56
○ 2026-09-02 00:08:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| substack.us | ns2.aftermarket.com, ns2.afternic.com, ns1.afternic.com, ns1.aftermarket.com | - |
✅ Authoritative Response
Server:3.141.121.8
NS records: ns2.aftermarket.com, ns2.afternic.com, ns1.afternic.com, ns1.aftermarket.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substack.us (unsigned zone)
⏱️ Timing
Total: 791ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.33.224.147 |
| AAAA | 1 | 2600:9000:a413:2068:7cac:af4e:cf97:8818 |
| NS | 2 | ns2.aftermarket.com, ns1.aftermarket.com |
| MX | 2 | mx1.simplelogin.co (pri: 1), mx2.simplelogin.co (pri: 5) |
| TXT | 9 | 9b291e26-36b4-4798-8c54-b3eee39b08b8, v=spf1 include:simplelogin.co ~all... |
| SOA | 1 | ns1.aftermarket.com support.aftermarket. |
Analysis
IP Addresses
substack.us directs to one IP number, which is 3.33.224.147.
Among the host names that share IP numbers with substack.us are ce.ae, winbig.us, techandlers.com and two others.
Name Servers
The domain substack.us is delegated to these four name servers: ns1.aftermarket.com, ns2.aftermarket.com, ns1.afternic.com and ns2.afternic.com.
The name servers of substack.us overlap at least partially with those of other domains — among them utilitycounter.com, fineart.org, wearefirework.com and two more.
The name servers ns1.domain.io, ns2.domain.io and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn are commonly seen alongside these name servers.
Each of the four hosts ns1.aftermarket.com, ns2.aftermarket.com, ns1.afternic.com and ns2.afternic.com has two IP addresses. ns1.aftermarket.com points to 3.141.121.8 and 2600:1f16:529:db01::53. ns2.aftermarket.com points to 3.15.73.134 and 2600:1f16:529:db00::53. ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.
Mail Servers
The MX records for substack.us point to two mail servers: mx1.simplelogin.co and mx2.simplelogin.co.
substack.us has the same mail server arrangement as a number of other domains, for example cfilippou.com, johnbasl.net, garrigai.com and two more.
The mail servers for substack.us overlap at least partially with those of other domains, including mx.pfiffner.me and pithypiquantphysicist.com.
mx1.simplelogin.co and mx2.simplelogin.co each resolve to two IP addresses: 176.119.200.136 and 185.205.70.136.
mx1.simplelogin.co and mx2.simplelogin.co are host names that each point to 176.119.200.136 IP addresses.
mx1.simplelogin.co and mx2.simplelogin.co are host names that each point to 185.205.70.136 IP addresses.