studybuddy.study - dns.ninja
studybuddy.study
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::6815:5889πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:b416πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.88.137Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.180.22πΊπΈ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | noah.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b85πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c185π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2185πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| A | 108.162.193.133πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| A | 172.64.33.133πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| A | 173.245.59.133πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | noah.ns.cloudflare.com | ||||||
| NS | sofia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3adfπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0dfπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20dfπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 108.162.192.223πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 172.64.32.223πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 173.245.58.223πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net β | ||||||
| A | 2606:4700:f5::11πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(33) | ||||||
| A | 2606:4700:f5::eπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::fπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(97) | ||||||
| A | 2606:4700:f5::bπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::cπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::dπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.88.137, 172.67.180.22 | ||||||
| IPv6 hints | 2606:4700:3031::6815:5889, 2606:4700:3031::ac43:b416 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com | ||||||
| SOA | noah.ns.cloudflare.comdns@cloudflare.com serial=2418016741 | ||||||
study
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.nic.study β | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1793038351 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
13 records (9 active, 4 former)
βNSnoah.ns.cloudflare.com2026-10-20 β 2026-10-26 Β· 2 obs
β 2026-10-26 18:56:26
βNSsofia.ns.cloudflare.com2026-10-20 β 2026-10-26 Β· 2 obs
β 2026-10-26 18:56:26
βMXroute1.mx.cloudflare.net2026-10-20 β 2026-10-26 Β· 2 obs
β 2026-10-26 18:56:26
βMXroute2.mx.cloudflare.net2026-10-20 β 2026-10-26 Β· 2 obs
β 2026-10-26 18:56:26
βMXroute3.mx.cloudflare.net2026-10-20 β 2026-10-26 Β· 2 obs
β 2026-10-26 18:56:26
βA104.21.88.1372026-10-26 β 2026-10-26 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA172.67.180.222026-10-26 β 2026-10-26 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA188.114.96.02026-10-20 β 2026-10-20 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA188.114.97.02026-10-20 β 2026-10-20 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA2606:4700:3031::6815:58892026-10-26 β 2026-10-26 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA2606:4700:3031::ac43:b4162026-10-26 β 2026-10-26 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA2a06:98c1:3120::2026-10-20 β 2026-10-20 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
βA2a06:98c1:3121::2026-10-20 β 2026-10-20 Β· 3 obs
β 2026-10-26 09:02:42
β 2026-10-26 18:56:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | c.nic.study, z.nic.study, a.nic.study, b.nic.study... | 12 records |
| studybuddy.study | sofia.ns.cloudflare.com, noah.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.32.223
NS records: sofia.ns.cloudflare.com, noah.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for studybuddy.study (unsigned zone)
β±οΈ Timing
Total: 936ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.180.22, 104.21.88.137 |
| AAAA | 2 | 2606:4700:3031::ac43:b416, 2606:4700:3031::6815:5889 |
| NS | 2 | noah.ns.cloudflare.com, sofia.ns.cloudflare.com |
| MX | 3 | route2.mx.cloudflare.net (pri: 33), route3.mx.cloudflare.net (pri: 6)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | noah.ns.cloudflare.com dns.cloudflare.co |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
studybuddy.study points to the four IP addresses 104.21.88.137, 172.67.180.22, 2606:4700:3031::6815:5889 and 2606:4700:3031::ac43:b416.
daysi.plus, fiberscan.net, qlsuni.top and two other host names share IP numbers with studybuddy.study.
Name Servers
Two name servers handle the delegation for studybuddy.study: noah.ns.cloudflare.com and sofia.ns.cloudflare.com.
studybuddy.study uses the same name servers as several other domains β among them doeda-hdoo.xyz, doeda-ywnj.xyz, (0x706f726e)ofilmizlexx.com and two more.
There is at least partial name server overlap between studybuddy.study and other domains β ultimatefund1000.site, zoltaniosif95.workers.dev, tqdev.net and two more among them.
These name servers frequently co-occur with the name servers coleman.ns.cloudflare.com and annalise.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
noah.ns.cloudflare.com resolves to 108.162.193.133, 172.64.33.133 and 173.245.59.133 among others, with 3 other IP addresses in total.
sofia.ns.cloudflare.com resolves to 108.162.192.223, 172.64.32.223 and 173.245.58.223 among others, with 3 other IP addresses in total.
Mail Servers
Incoming mail for studybuddy.study is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
studybuddy.study has at least partial mail server overlap with other domains such as royaltacos53.com, cineencasa.win, familyneo.com and two more.
Hostnames that resolve to 6 IP addresses:
route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.
route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.
route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.