www.stackoverflow.io - robtex.com
www.stackoverflow.io
| CNAME | undefinedbehavior.github.io | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| A | 185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24 | ||||||
| A | 185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
stackoverflow.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.30.252.153🇺🇸 GITHUB192.30.252.0/24 GitHub Build software better, together. https://github.com || https://github.com/about | ||||||
| A | 192.30.252.154🇺🇸 GITHUB192.30.252.0/24 GitHub Build software better, together. https://github.com || https://github.com/about | ||||||
| NS | ns-cloud-c1.googledomains.com ⭐ | ||||||
| NS | ns-cloud-c2.googledomains.com | ||||||
| NS | ns-cloud-c3.googledomains.com | ||||||
| NS | ns-cloud-c4.googledomains.com | ||||||
| SOA | ns-cloud-c1.googledomains.comcloud-dns-hostmaster@google.com serial=10 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●CNAMEundefinedbehavior.github.io2018-07-03 → 2026-07-05 · 2 obs
● 2018-07-03 10:56:18
● 2026-07-05 05:11:14
● 2026-07-05 05:11:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| stackoverflow.io | ns-cloud-c3.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.36.108
NS records: ns-cloud-c3.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackoverflow.io (unsigned zone)
⏱️ Timing
Total: 561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | undefinedbehavior.github.io |
Analysis
IP Addresses
www.stackoverflow.io points to 8 IP addresses, including 185.199.108.153, 185.199.109.153 and 185.199.110.153, plus 5 other.
wer.si, cuberule.com, arpitbaghla.github.io plus two other host names have IP numbers in common with www.stackoverflow.io.