obcalc.app - robtex.com
obcalc.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c422🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:3c74🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.60.116Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.34🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fatima.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 108.162.194.188🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 162.159.38.188Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 172.64.34.188🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| NS | fred.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.116, 172.67.196.34 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c422, 2606:4700:3036::6815:3c74 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com | ||||||
| SOA | fatima.ns.cloudflare.comdns@cloudflare.com serial=2410987173 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| 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=101427 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSfatima.ns.cloudflare.com2026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
●NSfred.ns.cloudflare.com2026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
●A104.21.60.1162026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
●A172.67.196.342026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
●A2606:4700:3033::ac43:c4222026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
●A2606:4700:3036::6815:3c742026-07-14 → 2026-08-02 · 2 obs
● 2026-08-02 04:56:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| obcalc.app | fred.ns.cloudflare.com, fatima.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.188
NS records: fred.ns.cloudflare.com, fatima.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for obcalc.app (unsigned zone)
⏱️ Timing
Total: 574ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.196.34, 104.21.60.116 |
| AAAA | 2 | 2606:4700:3033::ac43:c422, 2606:4700:3036::6815:3c74 |
| NS | 2 | fatima.ns.cloudflare.com, fred.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fatima.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
obcalc.app directs to four IP numbers, which are 104.21.60.116, 172.67.196.34, 2606:4700:3033::ac43:c422 and 2606:4700:3036::6815:3c74.
Additional host names — www.gvtjob.com, eyucoba.top, 108credit.com and two others — share IP numbers with obcalc.app.
Name Servers
obcalc.app is served by two delegated name servers, fatima.ns.cloudflare.com and fred.ns.cloudflare.com.
obcalc.app shares its name server setup with other domains, including staugustinefl.cc, spinworldcasino.nl, abscasino.io and two others.
There is at least partial name server overlap between obcalc.app and other domains — yeyadabigexholdingsinc.pics, pet-ra.com, 51klts.com and two more among them.
These name servers frequently co-occur with the name servers pedro.ns.cloudflare.com and cecelia.ns.cloudflare.com.
Host names with 6 IP numbers:
fatima.ns.cloudflare.com carries IP addresses 108.162.194.188, 162.159.38.188 and 172.64.34.188, with 3 other addresses beyond those.
fred.ns.cloudflare.com carries IP addresses 108.162.193.113, 172.64.33.113 and 173.245.59.113, with 3 other addresses beyond those.