college-cn.com - robtex.com
college-cn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:259b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d251🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.37.155Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.210.81🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | memphis.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 108.162.195.189🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 162.159.44.189Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 172.64.35.189🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| NS | val.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3aea🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ea🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ea🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 108.162.192.234🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 172.64.32.234🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 173.245.58.234🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| TXT | google-site-verification=mK0Wmy0IAj2T1xxCfgqctJoYRVmT2sN3yfp_Pb1JRbo | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.37.155, 172.67.210.81 | ||||||
| IPv6 hints | 2606:4700:3036::6815:259b, 2606:4700:3037::ac43:d251 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=7, name=cloudflare-ech.com | ||||||
| SOA | memphis.ns.cloudflare.comdns@cloudflare.com serial=2407918528 | ||||||
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=1785311932 | ||||||
Same first word
college-cn.com |
DNS History
10 records (6 active, 4 former)
●NSmemphis.ns.cloudflare.com2026-07-07 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
●NSval.ns.cloudflare.com2026-07-07 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
●A104.21.37.1552026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
●A172.67.210.812026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
○A188.114.96.02026-07-07 → 2026-07-07 · 2 obs
○ 2026-07-29 08:26:52
○A188.114.97.02026-07-07 → 2026-07-07 · 2 obs
○ 2026-07-29 08:26:52
●A2606:4700:3036::6815:259b2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
●A2606:4700:3037::ac43:d2512026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 08:26:52
○A2a06:98c1:3120::2026-07-07 → 2026-07-07 · 2 obs
○ 2026-07-29 08:26:52
○A2a06:98c1:3121::2026-07-07 → 2026-07-07 · 2 obs
○ 2026-07-29 08:26:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| college-cn.com | val.ns.cloudflare.com, memphis.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.234
NS records: val.ns.cloudflare.com, memphis.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for college-cn.com (unsigned zone)
⏱️ Timing
Total: 201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.210.81, 104.21.37.155 |
| AAAA | 2 | 2606:4700:3036::6815:259b, 2606:4700:3037::ac43:d251 |
| NS | 2 | memphis.ns.cloudflare.com, val.ns.cloudflare.com |
| TXT | 1 | google-site-verification=mK0Wmy0IAj2T1xx |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | memphis.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (val.ns.cloudflare.com, val.ns.cloudflare.com, val.ns.cloudflare.com...)
Analysis
IP Addresses
college-cn.com directs to four IP numbers, which are 104.21.37.155, 172.67.210.81, 2606:4700:3036::6815:259b and 2606:4700:3037::ac43:d251.
juliansykeswildlife.com, assindor.it, pt.leak(0x787878).com plus two other host names have IP numbers in common with college-cn.com.
Name Servers
Two name servers handle the delegation for college-cn.com: memphis.ns.cloudflare.com and val.ns.cloudflare.com.
The name server configuration of college-cn.com is shared with other domains, for instance entfind.com, getdelve.com, 53728.com and two others.
There is at least partial name server overlap between college-cn.com and other domains — ne.gop, luckynailssalina.com, shrisinfotech.com and two more among them.
These name servers frequently co-occur with the name servers venus.ns.cloudflare.com and indie.ns.cloudflare.com.
Hosts with 6 IP addresses each:
memphis.ns.cloudflare.com resolves to 108.162.195.189, 162.159.44.189 and 172.64.35.189 among others, with 3 other IP addresses in total.
val.ns.cloudflare.com resolves to 108.162.192.234, 172.64.32.234 and 173.245.58.234 among others, with 3 other IP addresses in total.