fizzbuzz.io - robtex.com
fizzbuzz.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.211.231.38🇺🇸 Amazon | ||||||
| PTR | ec2-18-211-231-38.compute-1.amazonaws.com | ||||||
| A | 54.205.8.205🇺🇸 Amazon | ||||||
| A | 54.235.77.118🇺🇸 Amazon | ||||||
| A | 174.129.128.48🇺🇸 Amazon | ||||||
| NS | ns1.dnsimple.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4 Cloudflare | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple-edge.net | ||||||
| A | 2620:111:8005::53🇺🇸 AS32771 | ||||||
| A | 199.247.153.53🇺🇸 AS32771 | ||||||
| PTR | ip-199-247-153-53.defastlink.net | ||||||
| NS | ns3.dnsimple.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4 Cloudflare | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple-edge.org | ||||||
| A | 2620:111:8007::53🇺🇸 AS32771 | ||||||
| A | 199.247.155.53🇺🇸 AS32771 | ||||||
| PTR | ip-199-247-155-53.defastlink.net | ||||||
| TXT | ALIAS for fizzbuzz.herokuapp.com | ||||||
| SOA | ns1.dnsimple.comadmin@dnsimple.com 2013-02-20 #8 | ||||||
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
20 records (8 active, 12 former)
●NSns1.dnsimple.com2026-02-15 → 2026-02-23 · 2 obs
● 2026-02-23 18:54:50
●NSns2.dnsimple-edge.net2026-02-15 → 2026-02-23 · 2 obs
● 2026-02-23 18:54:50
●NSns3.dnsimple.com2026-02-15 → 2026-02-23 · 2 obs
● 2026-02-23 18:54:50
●NSns4.dnsimple-edge.org2026-02-15 → 2026-02-23 · 2 obs
● 2026-02-23 18:54:50
●A174.129.128.482026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 18:54:48
● 2026-02-23 18:54:50
●A18.211.231.382026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 18:54:48
● 2026-02-23 18:54:50
○A23.22.144.1652026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 04:51:48
○ 2026-02-23 18:54:48
○ 2026-02-23 18:54:50
○A23.22.52.72026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 04:51:48
○ 2026-02-23 18:54:48
○ 2026-02-23 18:54:50
○A3.210.192.52026-02-15 → 2026-02-15 · 3 obs
○ 2026-02-16 04:51:48
○ 2026-02-23 18:54:50
○A3.216.88.242026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 04:51:48
○ 2026-02-23 18:54:48
○ 2026-02-23 18:54:50
○A3.219.96.232026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 04:51:48
○ 2026-02-23 18:54:48
○ 2026-02-23 18:54:50
○A3.229.186.1022026-02-15 → 2026-02-15 · 3 obs
○ 2026-02-16 04:51:48
○ 2026-02-23 18:54:50
○A34.201.81.342026-02-15 → 2026-02-23 · 2 obs
○ 2026-02-23 18:54:50
○A54.146.248.822026-02-15 → 2026-02-15 · 3 obs
○ 2026-02-16 04:51:48
○ 2026-02-23 18:54:50
●A54.205.8.2052026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 18:54:48
● 2026-02-23 18:54:50
○A54.208.186.1822026-02-15 → 2026-02-23 · 2 obs
○ 2026-02-23 18:54:50
○A54.224.34.302026-02-15 → 2026-02-23 · 2 obs
○ 2026-02-23 18:54:50
●A54.235.77.1182026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 18:54:48
● 2026-02-23 18:54:50
○A54.243.129.2152026-02-15 → 2026-02-23 · 2 obs
○ 2026-02-23 18:54:50
○A54.83.6.652026-02-15 → 2026-02-15 · 3 obs
○ 2026-02-16 04:51:48
○ 2026-02-23 18:54:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| fizzbuzz.io | ns4.dnsimple-edge.org, ns3.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple-edge.net | - |
✅ Authoritative Response
Server: 199.247.155.53
NS records: ns4.dnsimple-edge.org, ns3.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple-edge.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fizzbuzz.io (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.216.88.24, 3.219.96.23... |
| NS | 4 | ns1.dnsimple.com, ns2.dnsimple-edge.net... |
| TXT | 1 | ALIAS for fizzbuzz.herokuapp.com |
| SOA | 1 | ns1.dnsimple.com admin.dnsimple.com |
AI analysis
fizzbuzz.io points to four IP numbers: 18.211.231.38, 54.205.8.205, 54.235.77.118 and 174.129.128.48.
Other host names, for instance mutube.herokuapp.com, austinhiphopscene.com, labamba.herokuapp.com, acolectiva.org and bubbleiqbot.herokuapp.com share IP numbers with fizzbuzz.io.
fizzbuzz.io is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.
fizzbuzz.io at least partially shares name servers with other domains, for instance alxesey.com, wp-sms.com, plugintosmart.com, mikemcquaid.com and electricavenueatx.com.
These name servers are commonly used with ns2.dnsimple.com and ns4.dnsimple.com.
Host names with two IP numbers:
ns1.dnsimple.com points to: 2400:cb00:2049:1::a29f:1804 and 162.159.24.4.
ns3.dnsimple.com points to: 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4.
ns2.dnsimple-edge.net points to: 2620:111:8005::53 and 199.247.153.53.
ns4.dnsimple-edge.org points to: 2620:111:8007::53 and 199.247.155.53.