sync.stackoverflow.tech - robtex.com
sync.stackoverflow.tech
| DNSSEC | β οΈ Not signed | ||||||
| A | 104.21.20.248Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.195.37πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.20.248, 172.67.195.37 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com | ||||||
stackoverflow.tech
| DNSSEC | β οΈ Not signed | ||||||
| NS | hank.ns.cloudflare.com β | ||||||
| NS | roxy.ns.cloudflare.com | ||||||
| SOA | hank.ns.cloudflare.comdns@cloudflare.com serial=2402339102 | ||||||
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
βA104.21.20.2482026-02-19 β 2026-05-12 Β· 3 obs
β 2017-12-09 22:54:54
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
βA104.25.149.992017-12-09 β 2017-12-09 Β· 3 obs
β 2017-12-09 22:54:54
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
βA104.25.150.992017-12-09 β 2017-12-09 Β· 3 obs
β 2017-12-09 22:54:54
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
βA172.67.195.372026-02-19 β 2026-05-12 Β· 3 obs
β 2017-12-09 22:54:54
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
β 2026-02-19 10:12:06
β 2026-05-12 23:30:56
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.com | - |
| stackoverflow.tech | roxy.ns.cloudflare.com, hank.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.192.142
NS records: roxy.ns.cloudflare.com, hank.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for stackoverflow.tech (unsigned zone)
β±οΈ Timing
Total: 182ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.195.37, 104.21.20.248 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
sync.stackoverflow.tech points to two IP numbers: 104.21.20.248 and 172.67.195.37.
Other host names such as pcbovoorst.nl, www.coffeehttp.com, pugscode.org, 1xbet-signup.xyz and nextclubbase.com share IPs with sync.stackoverflow.tech.