fdczedu.com - robtex.com
fdczedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::ac43:ba99🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:4c26🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.76.38Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.186.153🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | karl.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21be🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 108.162.193.190🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 172.64.33.190🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 173.245.59.190🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| NS | leanna.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2697🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c297🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2297🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| A | 108.162.194.151🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| A | 162.159.38.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| A | 172.64.34.151🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leanna.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.76.38, 172.67.186.153 | ||||||
| IPv6 hints | 2606:4700:3036::ac43:ba99, 2606:4700:3037::6815:4c26 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com | ||||||
| SOA | karl.ns.cloudflare.comdns@cloudflare.com serial=2399816763 | ||||||
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=1776130282 | ||||||
Same first word
fdczedu.com |
Similar names
DNS History
15 records (6 active, 9 former)
○NSf1g1ns1.dnspod.net2015-11-15 → 2017-02-13 · 4 obs
● 2017-02-13 16:40:10
○ 2018-11-29 23:35:04
○ 2026-04-14 01:56:10
○NSf1g1ns2.dnspod.net2015-11-15 → 2016-06-19 · 4 obs
● 2016-06-19 01:49:26
○ 2018-11-29 23:35:04
○ 2026-04-14 01:56:10
●NSkarl.ns.cloudflare.com2026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
●NSleanna.ns.cloudflare.com2026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
○NSns7.alidns.com2026-04-12 → 2026-04-14 · 2 obs
○ 2026-04-14 01:56:10
○NSns8.alidns.com2026-04-12 → 2026-04-14 · 2 obs
○ 2026-04-14 01:56:10
○NSv1.dns234.net2018-11-29 → 2018-11-29 · 4 obs
● 2018-11-29 23:35:04
○ 2026-04-12 19:26:28
○ 2026-04-14 01:56:10
○NSv2.dns234.net2018-11-29 → 2018-11-29 · 4 obs
● 2018-11-29 23:35:04
○ 2026-04-12 19:26:28
○ 2026-04-14 01:56:10
●A104.21.76.382026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
○A107.165.241.1942018-11-29 → 2018-11-29 · 4 obs
● 2018-11-29 23:35:04
○ 2026-04-12 19:26:28
○ 2026-04-14 01:56:10
○A139.129.148.1352015-11-15 → 2017-02-13 · 4 obs
● 2017-02-13 16:40:10
○ 2018-11-29 23:35:04
○ 2026-04-14 01:56:10
●A172.67.186.1532026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
●A2606:4700:3036::ac43:ba992026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
●A2606:4700:3037::6815:4c262026-04-12 → 2026-04-14 · 3 obs
● 2026-04-12 19:26:28
● 2026-04-14 01:56:10
○CNAMEexpired.hichina.com2026-04-12 → 2026-04-14 · 2 obs
○ 2026-04-14 01:56:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| fdczedu.com | karl.ns.cloudflare.com, leanna.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.190
NS records: karl.ns.cloudflare.com, leanna.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fdczedu.com (unsigned zone)
⏱️ Timing
Total: 127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.76.38, 172.67.186.153 |
| AAAA | 2 | 2606:4700:3036::ac43:ba99, 2606:4700:3037::6815:4c26 |
| NS | 2 | karl.ns.cloudflare.com, leanna.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | karl.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (karl.ns.cloudflare.com, karl.ns.cloudflare.com, karl.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by fdczedu.com: 2606:4700:3036::ac43:ba99, 2606:4700:3037::6815:4c26, 104.21.76.38 and 172.67.186.153.
other host names including www.jialingchen.com, xmtenfei.com, ivctv.com, shemaletubesx.com and lawandtheworkplace.com share IP numbers with fdczedu.com.
Name Servers
fdczedu.com is delegated to two name servers karl.ns.cloudflare.com and leanna.ns.cloudflare.com.
fdczedu.com shares the same name server setup as other domains, for instance lintaoren.cn, 90hudson.com, to-me.eu, sy56168.com and hqgpj.com.
fdczedu.com at least partially shares name servers with other domains, for instance bart.style, alevelegaltech.com.br, veranimes.net, 888999.run and etomdagen.dk.
Host names with six IP numbers:
Host name karl.ns.cloudflare.com points to: 2606:4700:58::adf5:3bbe, 2803:f800:50::6ca2:c1be, 2a06:98c1:50::ac40:21be, 108.162.193.190, 172.64.33.190 and 173.245.59.190.
Host name leanna.ns.cloudflare.com points to: 2606:4700:50::a29f:2697, 2803:f800:50::6ca2:c297, 2a06:98c1:50::ac40:2297, 108.162.194.151, 162.159.38.151 and 172.64.34.151.