callstack.io - dns.ninja
callstack.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=1781230843 | ||||||
Same first word
DNS History
12 records (11 active, 1 former)
●NSjoel.ns.cloudflare.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●NSzita.ns.cloudflare.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●MXalt1.aspmx.l.google.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●MXalt2.aspmx.l.google.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●MXaspmx.l.google.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●MXaspmx2.googlemail.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●MXaspmx3.googlemail.com2016-12-05 → 2026-06-12 · 2 obs
● 2026-06-12 02:35:18
●A104.21.79.262026-03-29 → 2026-06-12 · 3 obs
● 2026-03-29 05:51:40
● 2026-06-12 02:35:18
●A172.67.140.2342026-03-29 → 2026-06-12 · 3 obs
● 2026-03-29 05:51:40
● 2026-06-12 02:35:18
●A2606:4700:3031::ac43:8cea2026-03-29 → 2026-06-12 · 3 obs
● 2026-03-29 05:51:40
● 2026-06-12 02:35:18
●A2606:4700:3034::6815:4f1a2026-03-29 → 2026-06-12 · 3 obs
● 2026-03-29 05:51:40
● 2026-06-12 02:35:18
○A54.217.211.1442016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-29 05:51:40
○ 2026-06-12 02:35:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| callstack.io | joel.ns.cloudflare.com, zita.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.243
NS records: joel.ns.cloudflare.com, zita.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for callstack.io (unsigned zone)
⏱️ Timing
Total: 3449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.79.26, 172.67.140.234 |
| AAAA | 2 | 2606:4700:3031::ac43:8cea, 2606:4700:3034::6815:4f1a |
| NS | 2 | joel.ns.cloudflare.com, zita.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 2 | google-site-verification=0nNmteMOxCGbJwg, v=spf1 include:_spf.google.com ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joel.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
callstack.io points to four IP numbers: 104.21.79.26, 172.67.140.234, 2606:4700:3031::ac43:8cea and 2606:4700:3034::6815:4f1a.
Two other host names, along with www.taxpayers.org.au, de.(0x68656e746169)-image.com and vcbhv.shanghai1688.cn, also share IP numbers with callstack.io.
Name Servers
callstack.io is served by two delegated name servers, joel.ns.cloudflare.com and zita.ns.cloudflare.com.
callstack.io shares its NS records with other domains, for example kallaste.ee, nimi.ee, helme.ee and two others.
At least some of callstack.io's name servers are shared with other domains, for example tv99kubo.tv, mainami.top, smotret-(0x706f726e)o-onlain.com and two more.
These name servers tend to be deployed in combination with the name servers martin.ns.cloudflare.com and april.ns.cloudflare.com.
DNS names with 6 IP addresses:
joel.ns.cloudflare.com carries IP addresses 108.162.193.184, 172.64.33.184 and 173.245.59.184, with 3 other addresses beyond those.
zita.ns.cloudflare.com carries IP addresses 108.162.192.243, 172.64.32.243 and 173.245.58.243, with 3 other addresses beyond those.
Mail Servers
callstack.io has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between callstack.io and other domains, including topnotchwatch.com, ns500754.ns500731.ns500671.ns500754.ns500754.ns500704.ns500705.ns500671.ns500705.ns500688.ns500649.ns500666.ns500666.ns500153.tenderladiesbz.com, ns500754.ns500731.ns500754.ns500704.ns500704.ns500705.ns500688.ns500688.ns500649.ns500671.ns500291.ns500291.ns500131.lustychickser.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com maps to two IP addresses — 142.250.31.26 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.26 IP addresses.
These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.