021.io - robtex.com
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021.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=1771291657 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
●MXaspmx.l.google.com2026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
●A52.178.92.962026-02-17 → 2026-02-17 · 2 obs
● 2026-02-17 06:03:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | b0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io | - |
| 021.io | dns3.home.pl, dns.home.pl, dns2.home.pl | - |
✅ Authoritative Response
Server: 217.160.81.248
NS records: dns3.home.pl, dns.home.pl, dns2.home.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 021.io (unsigned zone)
⏱️ Timing
Total: 529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.178.92.96 |
| NS | 3 | dns3.home.pl, dns.home.pl... |
| MX | 5 | alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 6 | MS=ms61281700, C4A6F440C893EFE84378B0D9B23C38FD0C50FC9D... |
| SOA | 1 | dns.home.pl admin.home.pl |
AI analysis
021.io resolves to one IP number: 52.178.92.96.
other host names including aegisflow.com, cvlaudit.com, cursos-enfermeria.net, besidethekitchentable.com and theheart.dev share IP numbers with 021.io.
021.io is delegated to three name servers dns2.home.pl, dns3.home.pl and dns.home.pl.
021.io at least partially shares name servers with other domains, for instance cloudserver023374.home.pl, cloudserver3127871.home.pl, cloudserver086143.home.pl, cloudserver051358.home.pl and cloudserver002003.home.pl.
Host names with two IP numbers:
dns2.home.pl points to: 2001:8d8:fe:53:6870::2 and 217.160.81.248.
dns3.home.pl points to: 2607:f1c0:fe:53:185:132:34:251 and 185.132.34.251.
dns.home.pl points to: 2001:8d8:fe:53:6870::1 and 217.160.80.244.
021.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
021.io shares some mail servers with other domains, at least partially, for instance oaksschools.com, deserthr.com, loveadorned.com, ns500759.ns500758.ns500759.ns500698.ns500736.ns500735.ns500736.ns500576.ns500698.ns500576.ns500619.ns500576.ns500652.trackreceptor.com and silentlambs.org.
These mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27