sdtr.dev - robtex.com
sdtr.dev
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::ac43:ad68πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:480aπΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.72.10Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.173.104πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3af9πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | jay.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7bπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17bπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217bπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 108.162.193.123πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 172.64.33.123πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 173.245.59.123πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.72.10, 172.67.173.104 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:ad68, 2606:4700:3032::6815:480a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2412234360 | ||||||
dev
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns-tld1.charlestonroadregistry.com β | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
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DNS History
10 records (6 active, 4 former)
βNSdorthy.ns.cloudflare.com2026-08-18 β 2026-08-24 Β· 2 obs
β 2026-08-24 17:14:06
βNSjay.ns.cloudflare.com2026-08-18 β 2026-08-24 Β· 2 obs
β 2026-08-24 17:14:06
βA104.21.72.102026-08-18 β 2026-08-24 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA172.67.173.1042026-08-18 β 2026-08-24 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA188.114.96.02026-08-21 β 2026-08-21 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA188.114.97.02026-08-21 β 2026-08-21 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA2606:4700:3030::ac43:ad682026-08-18 β 2026-08-24 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA2606:4700:3032::6815:480a2026-08-18 β 2026-08-24 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA2a06:98c1:3120::2026-08-21 β 2026-08-21 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
βA2a06:98c1:3121::2026-08-21 β 2026-08-21 Β· 4 obs
β 2026-08-21 07:34:42
β 2026-08-23 10:01:22
β 2026-08-24 17:14:06
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| sdtr.dev | jay.ns.cloudflare.com, dorthy.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.123
NS records: jay.ns.cloudflare.com, dorthy.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sdtr.dev (unsigned zone)
β±οΈ Timing
Total: 494ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.72.10, 172.67.173.104 |
| AAAA | 2 | 2606:4700:3032::6815:480a, 2606:4700:3030::ac43:ad68 |
| NS | 2 | dorthy.ns.cloudflare.com, jay.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
sdtr.dev points to the four IP addresses 104.21.72.10, 172.67.173.104, 2606:4700:3030::ac43:ad68 and 2606:4700:3032::6815:480a.
Two other host names, along with institutefamily.org, nyimg.com and dhwnews.net, also share IP numbers with sdtr.dev.
Name Servers
The NS records for sdtr.dev delegate to dorthy.ns.cloudflare.com and jay.ns.cloudflare.com.
sdtr.dev shares its NS records with other domains, for example onourrolls.com, woodparts.ca, europath.mt and two others.
There is at least partial name server overlap between sdtr.dev and other domains β hngrasp.com, quynhanmobile.com, hxmzyg.com and two more among them.
These name servers frequently co-occur with the name servers rayden.ns.cloudflare.com and abdullah.ns.cloudflare.com.
DNS names with 6 IP addresses:
dorthy.ns.cloudflare.com maps to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 additional IP addresses.
jay.ns.cloudflare.com maps to 108.162.193.123, 172.64.33.123, 173.245.59.123 and 3 additional IP addresses.