cf-dns01.stackoverflow.com - dns.ninja
cf-dns01.stackoverflow.com
| DNSSEC | ⚠️ Not signed | ||||||
stackoverflow.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.252.206.1🇺🇸 Cloudflare198.252.206.0/24 BYOIP ✓ In HTTPS hints | ||||||
| NS | damian.ns.cloudflare.com ⭐ | ||||||
| NS | sureena.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| TXT | MS=ms52592611 | ||||||
| TXT | ZOOM_verify_AbkNwz5bBl0eurcDKyhhuk | ||||||
| TXT | adobe-idp-site-verification=25ba5203f3687c9cd6ee3223ee5de1528917828d1da3ebd3b... | ||||||
| TXT | anthropic-domain-verification-q70207=cKyy0llXkD10O4rDQpWz8tQ5K | ||||||
| TXT | apple-domain-verification=O9jlnJXAQ7sNSZqC | ||||||
| TXT | atlassian-domain-verification=byLeZgl3MIcfOqwWuMhq8Fhr/1zem/jIaouJegvDZbBKUU5... | ||||||
| TXT | cursor-domain-verification-sb0ayf=Pk6AyptQuTpzpcuSlfYGWloxv | ||||||
| TXT | docker-verification=d65aee54-9091-4ceb-b792-61f5d5804050 | ||||||
| TXT | docusign=4262531d-29f4-4a62-9f33-ae9f66f5247b | ||||||
| TXT | google-site-verification=2Bi6SYw5skkRexdtdLPL2gpxeIhLxnYVqITVP9Htl3w | ||||||
| TXT | google-site-verification=ctogLnZNAdc_CXq8yOhODMLpmugGynjxKecKHDz4oL8 | ||||||
| TXT | google-site-verification=o3EMam8yBGo1yEjyybIiZcOunGHOQKpo8JmOtp9n1BU | ||||||
| TXT | google-site-verification=rdWtMbplKjbRHGr2dNONfwkqithlUvjr3u6i8QEz_mo | ||||||
| TXT | ibmid=4e7cbbb3-5f12-40b4-96c7-5b064347b822 | ||||||
| TXT | make-domain-verification=eec31159-f381-4f38-9d89-e59123dd023e | ||||||
| TXT | onetrust-domain-verification=0d9d67f856334905a54256085a5768b3 | ||||||
| TXT | onetrust-domain-verification=e445562296a64c649ae3d520230b8c4c | ||||||
| TXT | openai-domain-verification=dv-GLNufzbWDzAq0fDXHD6jxeCK | ||||||
| TXT | profound-domain-verification-5p599x=hWudYd2Du6WOYOod5ko9Rwnp8 | ||||||
| TXT | v=MCPv1; k=ed25519; p=VhBofO8RaYvTvHT7q5tTty+HQeCU8R6h5Y8k/sj20So= | ||||||
| TXT | v=spf1 ip4:52.38.191.241 include:_spf1.stackoverflow.com ~all | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 198.252.206.1 | ||||||
| SOA | damian.ns.cloudflare.comdns@cloudflare.com serial=2406680760 | ||||||
rank #175 globally
rank #113 in the tld
Semrush Rank:#564 Keywords:3,354,802 Traffic:5,051,223/mo
WOT: SAFE (94/100)
📈 Tranco rank: #501
Stack Overflow is the largest online community for programmers, founded in 2008 by Jeff Atwood and Joel Spolsky. With over 100 million monthly visitors, Stack Overflow has become essential infrastructure for software development.
Beyond the Q&A site, Stack Overflow offers Stack Overflow for Teams, Stack Overflow Talent, and Advertising. The Stack Exchange network extends the Q&A model to hundreds of topics.
Stack Overflow's infrastructure handles massive traffic from developers worldwide. The platform was famous for running on surprisingly modest infrastructure relative to its traffic.
DNS for stackoverflow.com uses Cloudflare's authoritative DNS infrastructure. The platform's Q&A content is delivered globally through CDN for fast page loads.
Previously NS for
DNS History
2 records (0 active, 2 former)
○A173.245.58.532015-08-17 → 2016-06-04 · 4 obs
● 2016-06-04 18:58:22
○ 2016-06-27 07:23:34
○ 2026-06-14 05:00:20
○A2400:cb00:2049:1::adf5:3a352015-08-17 → 2016-06-04 · 4 obs
● 2016-06-04 18:58:22
○ 2016-06-27 07:23:34
○ 2026-06-14 05:00:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net... | - |
| stackoverflow.com | sureena.ns.cloudflare.com, damian.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.126
NS records: sureena.ns.cloudflare.com, damian.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackoverflow.com (unsigned zone)
⏱️ Timing
Total: 119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sureena.ns.cloudflare.com, sureena.ns.cloudflare.com, sureena.ns.cloudflare.com...)