zfufec.study - robtex.com
zfufec.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c8e3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2c94🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.148Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.200.227🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | javon.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c6c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c36c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:236c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| A | 108.162.195.108🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| A | 162.159.44.108Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| A | 172.64.35.108🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | javon.ns.cloudflare.com | ||||||
| NS | ursula.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26bf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bf🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| A | 108.162.194.191🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| A | 162.159.38.191Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| A | 172.64.34.191🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ursula.ns.cloudflare.com | ||||||
| TXT | google-site-verification=BRDFTthnSftYLJ4QRLDfGEzd9zdUnys-dD2Z59rE7Tk | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.44.148, 172.67.200.227 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c8e3, 2606:4700:3035::6815:2c94 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com | ||||||
| SOA | javon.ns.cloudflare.comdns@cloudflare.com serial=2401947354 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| 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=1778283643 | ||||||
Subdomains
www.zfufec.study |
Same first word
zfufec.study |
DNS History
10 records (6 active, 4 former)
●NSjavon.ns.cloudflare.com2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:48
●NSursula.ns.cloudflare.com2026-04-15 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:48
●A104.21.44.1482026-04-15 → 2026-05-09 · 5 obs
● 2026-05-01 06:37:36
○ 2026-05-06 10:22:38
● 2026-05-08 17:39:52
● 2026-05-09 01:16:48
●A172.67.200.2272026-04-15 → 2026-05-09 · 5 obs
● 2026-05-01 06:37:36
○ 2026-05-06 10:22:38
● 2026-05-08 17:39:52
● 2026-05-09 01:16:48
○A188.114.96.02026-05-06 → 2026-05-06 · 4 obs
● 2026-05-06 10:22:38
○ 2026-05-08 17:39:52
○ 2026-05-09 01:16:48
○A188.114.97.02026-05-06 → 2026-05-06 · 4 obs
● 2026-05-06 10:22:38
○ 2026-05-08 17:39:52
○ 2026-05-09 01:16:48
●A2606:4700:3033::ac43:c8e32026-04-15 → 2026-05-09 · 5 obs
● 2026-05-01 06:37:36
○ 2026-05-06 10:22:38
● 2026-05-08 17:39:52
● 2026-05-09 01:16:48
●A2606:4700:3035::6815:2c942026-04-15 → 2026-05-09 · 5 obs
● 2026-05-01 06:37:36
○ 2026-05-06 10:22:38
● 2026-05-08 17:39:52
● 2026-05-09 01:16:48
○A2a06:98c1:3120::2026-05-06 → 2026-05-06 · 4 obs
● 2026-05-06 10:22:38
○ 2026-05-08 17:39:52
○ 2026-05-09 01:16:48
○A2a06:98c1:3121::2026-05-06 → 2026-05-06 · 4 obs
● 2026-05-06 10:22:38
○ 2026-05-08 17:39:52
○ 2026-05-09 01:16:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | x.nic.study, c.nic.study, z.nic.study, a.nic.study... | 12 records |
| zfufec.study | javon.ns.cloudflare.com, ursula.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.108
NS records: javon.ns.cloudflare.com, ursula.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zfufec.study (unsigned zone)
⏱️ Timing
Total: 816ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.200.227, 104.21.44.148 |
| AAAA | 2 | 2606:4700:3033::ac43:c8e3, 2606:4700:3035::6815:2c94 |
| NS | 2 | javon.ns.cloudflare.com, ursula.ns.cloudflare.com |
| TXT | 1 | google-site-verification=BRDFTthnSftYLJ4 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | javon.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.study, y.nic.study, x.nic.study...)
Analysis
Hierarchy
zfufec.study is parent of www.zfufec.study.
IP Addresses
zfufec.study points to four IP numbers: 2606:4700:3033::ac43:c8e3, 2606:4700:3035::6815:2c94, 104.21.44.148 and 172.67.200.227.
Other host names, for instance silentarchive.us, mail.errr.com, mediamosa.org, www.errr.com and asterixx.com.au share IP numbers with zfufec.study.
Name Servers
zfufec.study's delegation is to two name servers javon.ns.cloudflare.com and ursula.ns.cloudflare.com.
zfufec.study shares the same name server configuration as other domains, such as webaxtrf.bar, sqpay88.com, sqpay555.com, plusoneonline.com and love-coach.online.
zfufec.study at least partially shares its name servers with other domains, for instance webcertain.it, prenas.sk, phantomdns.com, b5c5e8.com and newparkmanorhotel.co.uk.
These name servers are often used together with the name servers elisabeth.ns.cloudflare.com.
Host names with six IP numbers:
javon.ns.cloudflare.com points to: 2606:4700:58::a29f:2c6c, 2803:f800:50::6ca2:c36c, 2a06:98c1:50::ac40:236c, 108.162.195.108, 162.159.44.108 and 172.64.35.108.
ursula.ns.cloudflare.com points to: 2606:4700:50::a29f:26bf, 2803:f800:50::6ca2:c2bf, 2a06:98c1:50::ac40:22bf, 108.162.194.191, 162.159.38.191 and 172.64.34.191.