linuxprofessor.com - robtex.com

linuxprofessor.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:4aa4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:cc44🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.164Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.68🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadelaide.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2601🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadelaide.ns.cloudflare.com
A2803:f800:50::6ca2:c201🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadelaide.ns.cloudflare.com
A2a06:98c1:50::ac40:2201🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadelaide.ns.cloudflare.com
A108.162.194.1🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadelaide.ns.cloudflare.com
A162.159.38.1Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadelaide.ns.cloudflare.com
A172.64.34.1🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadelaide.ns.cloudflare.com
NSryan.ns.cloudflare.com
A2606:4700:58::a29f:2ce5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A2803:f800:50::6ca2:c3e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRryan.ns.cloudflare.com
A2a06:98c1:50::ac40:23e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRryan.ns.cloudflare.com
A108.162.195.229🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A162.159.44.229Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A172.64.35.229🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
MXa48-186.linuxprofessor.com ⭐
A77.36.4.12🇷🇴 M-177.36.4.0/22
TXTv=spf1 a mx exists:%{i}._spf.linuxprofessor.com +all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.164, 172.67.204.68
IPv6 hints2606:4700:3035::6815:4aa4, 2606:4700:3035::ac43:cc44
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOAadelaide.ns.cloudflare.comdns@cloudflare.com serial=2402541376

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777423486

Same first word

linuxprofessor.com

DNS History

11 records (7 active, 4 former)

NSadelaide.ns.cloudflare.comryan.ns.cloudflare.comMXa48-186.linuxprofessor.comA104.21.74.164172.67.204.682606:4700:3035::6815:4aa42606:4700:3035::ac43:cc44188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSadelaide.ns.cloudflare.com2026-03-22 → 2026-04-29 · 2 obs
● 2026-03-22 04:25:56
● 2026-04-29 01:03:16
●NSryan.ns.cloudflare.com2026-03-22 → 2026-04-29 · 2 obs
● 2026-03-22 04:25:56
● 2026-04-29 01:03:16
●MXa48-186.linuxprofessor.com2026-03-22 → 2026-04-29 · 2 obs
● 2026-03-22 04:25:56
● 2026-04-29 01:03:16
●A104.21.74.1642026-03-22 → 2026-04-29 · 5 obs
● 2026-03-22 04:25:56
● 2026-04-13 05:47:50
○ 2026-04-14 06:15:48
● 2026-04-20 11:48:12
● 2026-04-29 01:03:16
●A172.67.204.682026-03-22 → 2026-04-29 · 5 obs
● 2026-03-22 04:25:56
● 2026-04-13 05:47:50
○ 2026-04-14 06:15:48
● 2026-04-20 11:48:12
● 2026-04-29 01:03:16
○A188.114.96.02026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 05:47:50
● 2026-04-14 06:15:48
○ 2026-04-20 11:48:12
○ 2026-04-29 01:03:16
○A188.114.97.02026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 05:47:50
● 2026-04-14 06:15:48
○ 2026-04-20 11:48:12
○ 2026-04-29 01:03:16
●A2606:4700:3035::6815:4aa42026-03-22 → 2026-04-29 · 5 obs
● 2026-03-22 04:25:56
● 2026-04-13 05:47:50
○ 2026-04-14 06:15:48
● 2026-04-20 11:48:12
● 2026-04-29 01:03:16
●A2606:4700:3035::ac43:cc442026-03-22 → 2026-04-29 · 5 obs
● 2026-03-22 04:25:56
● 2026-04-13 05:47:50
○ 2026-04-14 06:15:48
● 2026-04-20 11:48:12
● 2026-04-29 01:03:16
○A2a06:98c1:3120::2026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 05:47:50
● 2026-04-14 06:15:48
○ 2026-04-20 11:48:12
○ 2026-04-29 01:03:16
○A2a06:98c1:3121::2026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 05:47:50
● 2026-04-14 06:15:48
○ 2026-04-20 11:48:12
○ 2026-04-29 01:03:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
linuxprofessor.comadelaide.ns.cloudflare.com, ryan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.229

NS records: adelaide.ns.cloudflare.com, ryan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxprofessor.com (unsigned zone)

⏱️ Timing

Total: 230ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.164, 172.67.204.68
AAAA22606:4700:3035::6815:4aa4, 2606:4700:3035::ac43:cc44
NS2adelaide.ns.cloudflare.com, ryan.ns.cloudflare.com
MX1a48-186.linuxprofessor.com (pri: 10)
TXT1v=spf1 a mx exists:%{i}._spf.linuxprofes
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adelaide.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (adelaide.ns.cloudflare.com, adelaide.ns.cloudflare.com, adelaide.ns.cloudflare.com...)

Analysis

IP Addresses

linuxprofessor.com points to four IP numbers: 2606:4700:3035::6815:4aa4, 2606:4700:3035::ac43:cc44, 104.21.74.164 and 172.67.204.68.

Other host names including www.zappiehost.com, zeroo.info, banbenbon.com, www.(0x6e756465)femalevideos.com and www.joshmiddleton.com share IP numbers with linuxprofessor.com.

Name Servers

linuxprofessor.com's delegation uses two name servers, adelaide.ns.cloudflare.com and ryan.ns.cloudflare.com.

linuxprofessor.com shares the same name server setup as other domains, for example addhoo.com, atchersystems.com, hanbao.cloud, archersystemsa.com and archersystdems.com.

linuxprofessor.com at least partially shares name servers with other domains, including finpecia.company, 917755.com, funbahis516.com, cz-soft.net and cpdbu.com.

these name servers are commonly used with tom.ns.cloudflare.com, evelyn.ns.cloudflare.com, santino.ns.cloudflare.com, anita.ns.cloudflare.com and roxy.ns.cloudflare.com.

Host names with six IP numbers:

adelaide.ns.cloudflare.com points to: 2606:4700:50::a29f:2601, 2803:f800:50::6ca2:c201, 2a06:98c1:50::ac40:2201, 108.162.194.1, 162.159.38.1 and 172.64.34.1.

ryan.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce5, 2803:f800:50::6ca2:c3e5, 2a06:98c1:50::ac40:23e5, 108.162.195.229, 162.159.44.229 and 172.64.35.229.

Mail Servers

linuxprofessor.com is handled by a single mail server, a48-186.linuxprofessor.com.

a48-186.linuxprofessor.com points to a single IP: 77.36.4.12.