critically.io - robtex.com
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critically.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
critically.io |
DNS History
7 records (7 active, 0 former)
●NSns-1327.awsdns-37.org2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●NSns-1787.awsdns-31.co.uk2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●NSns-377.awsdns-47.com2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●NSns-638.awsdns-15.net2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●MXmail.protonmail.ch2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●MXmailsec.protonmail.ch2026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
●A52.1.236.1052026-02-15 → 2026-02-18 · 2 obs
● 2026-02-18 10:09:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| critically.io | ns-638.awsdns-15.net, ns-1787.awsdns-31.co.uk, ns-1327.awsdns-37.org, ns-377.awsdns-47.com | - |
✅ Authoritative Response
Server: 205.251.197.47
NS records: ns-638.awsdns-15.net, ns-1787.awsdns-31.co.uk, ns-1327.awsdns-37.org, ns-377.awsdns-47.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for critically.io (unsigned zone)
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.1.236.105 |
| NS | 4 | ns-1327.awsdns-37.org, ns-1787.awsdns-31.co.uk... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | protonmail-verification=9a9a325f705f25e1, v=spf1 include:_spf.protonmail.ch ~all. |
| SOA | 1 | ns-1787.awsdns-31.co.uk awsdns-hostmaste |
AI analysis
critically.io points to a single IP address: 52.1.236.105.
Other host names, for instance ec2-52-1-236-105.compute-1.amazonaws.com, share IP numbers with critically.io.
critically.io is delegated to four name servers: ns-377.awsdns-47.com, ns-638.awsdns-15.net, ns-1327.awsdns-37.org and ns-1787.awsdns-31.co.uk.
critically.io at least partially shares name servers with other domains, for example firstapponline.com, oltica.com, d67cyg6drmqwg.cloudfront.net, sip-found.lab.eu.aws.bandwidth.com and goldilocks.com.ph.
These name servers are often used together with ns-2044.awsdns-63.co.uk and ns-1346.awsdns-40.org.
Host names with two IP numbers:
ns-377.awsdns-47.com points to: 2600:9000:5301:7900::1 and 205.251.193.121
ns-638.awsdns-15.net points to: 2600:9000:5302:7e00::1 and 205.251.194.126
ns-1327.awsdns-37.org points to: 2600:9000:5305:2f00::1 and 205.251.197.47
ns-1787.awsdns-31.co.uk points to: 2600:9000:5306:fb00::1 and 205.251.198.251
Two mail servers handle critically.io: mail.protonmail.ch and mailsec.protonmail.ch.
critically.io shares the same mail server setup as other domains, including jellysquid.me, eren.co, luki.email, adcrax.com and kbsd.be.
critically.io shares at least partially some mail servers with other domains, for instance teachings.nl, trendmediaworld.com, baboon.io, blitlab.com and thelastsimon.com.
Host names with three IP numbers:
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.