dfczedu.com - robtex.com
dfczedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:57🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:96c6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.0.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.198🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | nova.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2681🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c281🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2281🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 108.162.194.129🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 162.159.38.129Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 172.64.34.129🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| NS | rudy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3be5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21e5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| A | 108.162.193.229🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| A | 172.64.33.229🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| A | 173.245.59.229🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rudy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.0.87, 172.67.150.198 | ||||||
| IPv6 hints | 2606:4700:3033::6815:57, 2606:4700:3037::ac43:96c6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com | ||||||
| SOA | nova.ns.cloudflare.comdns@cloudflare.com serial=2401540896 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776146777 | ||||||
Same first word
dfczedu.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSnova.ns.cloudflare.com2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
○NSns17.xincache.com2015-09-01 → 2016-07-11 · 4 obs
● 2016-07-11 10:10:54
○ 2026-02-18 02:01:42
○ 2026-04-14 06:13:08
○NSns18.xincache.com2015-09-01 → 2016-07-11 · 4 obs
● 2016-07-11 10:10:54
○ 2026-02-18 02:01:42
○ 2026-04-14 06:13:08
●NSrudy.ns.cloudflare.com2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
○A103.10.84.772015-09-01 → 2016-07-11 · 4 obs
● 2016-07-11 10:10:54
○ 2026-02-18 02:01:42
○ 2026-04-14 06:13:08
●A104.21.0.872026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
●A172.67.150.1982026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
●A2606:4700:3033::6815:572026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
●A2606:4700:3037::ac43:96c62026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 02:01:42
● 2026-04-14 06:13:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dfczedu.com | rudy.ns.cloudflare.com, nova.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.129
NS records: rudy.ns.cloudflare.com, nova.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfczedu.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.150.198, 104.21.0.87 |
| AAAA | 2 | 2606:4700:3037::ac43:96c6, 2606:4700:3033::6815:57 |
| NS | 2 | nova.ns.cloudflare.com, rudy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | nova.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (rudy.ns.cloudflare.com, rudy.ns.cloudflare.com, rudy.ns.cloudflare.com...)
Analysis
IP Addresses
dfczedu.com maps to four IP numbers: 2606:4700:3033::6815:57, 2606:4700:3037::ac43:96c6, 104.21.0.87 and 172.67.150.198.
Other host names, for instance wijhelpenziekenhuizen.nl, ilanfirsov.me, jxidc.com.cdn.cloudflare.net, thorvip.net and zsylgs.com share IP numbers with dfczedu.com.
Name Servers
Two name servers nova.ns.cloudflare.com and rudy.ns.cloudflare.com are delegated to dfczedu.com.
dfczedu.com uses the same name server configuration as other domains, such as frdym.com, henju.net, edingcn.com, 7xyw.com and lin-cha.com.
dfczedu.com at least partially shares name servers with other domains such as buggiesunlimited.com, photos.edu.pl, gomalaysia.my, 8o7yt1zsw0xu5.xyz and thb168.xin.
These name servers are commonly used with rommy.ns.cloudflare.com and piers.ns.cloudflare.com.
Host names with six IP numbers: Host name nova.ns.cloudflare.com points to 2606:4700:50::a29f:2681, 2803:f800:50::6ca2:c281, 2a06:98c1:50::ac40:2281, 108.162.194.129, 162.159.38.129 and 172.64.34.129; host name rudy.ns.cloudflare.com points to 2606:4700:58::adf5:3be5, 2803:f800:50::6ca2:c1e5, 2a06:98c1:50::ac40:21e5, 108.162.193.229, 172.64.33.229 and 173.245.59.229.