simstack.io - robtex.com
simstack.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1788810849 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NSjack.ns.cloudflare.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●NSpat.ns.cloudflare.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●MXalt1.aspmx.l.google.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●MXalt2.aspmx.l.google.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●MXalt3.aspmx.l.google.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●MXalt4.aspmx.l.google.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●MXaspmx.l.google.com2026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
●A76.76.21.212026-08-29 → 2026-09-07 · 2 obs
● 2026-09-07 20:52:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | 8 records |
| simstack.io | pat.ns.cloudflare.com, jack.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.121
NS records: pat.ns.cloudflare.com, jack.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simstack.io (unsigned zone)
⏱️ Timing
Total: 1101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | jack.ns.cloudflare.com, pat.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 4 | google-site-verification=HzdcK-7G3YPkNDC, google-site-verification=h14_fOhoytrpfJX... |
| SOA | 1 | jack.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.io, a0.nic.io, a2.nic.io...)
Analysis
IP Addresses
simstack.io has exactly one IP address — 76.76.21.21.
carbonsyncanalytics.com, mopany.com, petlifeessentials.com plus two other host names have IP numbers in common with simstack.io.
Name Servers
simstack.io is served by two delegated name servers, jack.ns.cloudflare.com and pat.ns.cloudflare.com.
The name server configuration of simstack.io is shared with other domains, for instance industry-season-4-episode-6-dear-henry.pages.dev, overwatch-skin-codes.pages.dev, pjmedia.com and two others.
There is at least partial name server overlap between simstack.io and other domains — abstralexis.workers.dev, missdaphne844.pages.dev, telyotorwarenlanzena.buzz and two more among them.
These name servers are routinely deployed together with the name servers erin.ns.cloudflare.com.
Hosts with 6 IP addresses each:
jack.ns.cloudflare.com carries IP addresses 108.162.193.121, 172.64.33.121 and 173.245.59.121, with 3 other addresses beyond those.
pat.ns.cloudflare.com carries IP addresses 108.162.192.139, 172.64.32.139 and 173.245.58.139, with 3 other addresses beyond those.
Mail Servers
Five mail servers handle simstack.io: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by simstack.io are shared with other domains: onion.se, darlenenavarre.com, wizrocket.net and two others among them.
These mail servers are often deployed together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 172.253.62.26 and 2607:f8b0:4004:c2d::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.