professor.cx - robtex.com

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professor.cx

DNSSEC⚠️ Not signed
A2606:4700:10::6814:1f12πŸ‡ΊπŸ‡Έ Cloudflare βœ“ In HTTPS hints
A2606:4700:10::ac42:a68fπŸ‡ΊπŸ‡Έ Cloudflare βœ“ In HTTPS hints
A104.20.31.18 Cloudflare βœ“ In HTTPS hints
A172.66.166.143πŸ‡ΊπŸ‡Έ Cloudflare βœ“ In HTTPS hints
NSbetty.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4bπŸ‡ΊπŸ‡Έ Cloudflare
PTRbetty.ns.cloudflare.com
A2803:f800:50::6ca2:c04bπŸ‡¨πŸ‡· Cloudflare
PTRbetty.ns.cloudflare.com
A2a06:98c1:50::ac40:204bπŸ‡ΊπŸ‡Έ Cloudflare
PTRbetty.ns.cloudflare.com
A108.162.192.75πŸ‡ΊπŸ‡Έ Cloudflare
PTRbetty.ns.cloudflare.com
A172.64.32.75πŸ‡ΊπŸ‡Έ Cloudflare
PTRbetty.ns.cloudflare.com
A173.245.58.75πŸ‡ΊπŸ‡Έ Cloudflare
PTRbetty.ns.cloudflare.com
NSbrodie.ns.cloudflare.com πŸ”’
A2606:4700:58::a29f:2cedπŸ‡ΊπŸ‡Έ Cloudflare
PTRbrodie.ns.cloudflare.com
A2803:f800:50::6ca2:c3edπŸ‡¨πŸ‡· Cloudflare
PTRbrodie.ns.cloudflare.com
A2a06:98c1:50::ac40:23edπŸ‡ΊπŸ‡Έ Cloudflare
PTRbrodie.ns.cloudflare.com
A108.162.195.237πŸ‡ΊπŸ‡Έ Cloudflare
PTRbrodie.ns.cloudflare.com
A162.159.44.237 Cloudflare
PTRbrodie.ns.cloudflare.com
A172.64.35.237πŸ‡ΊπŸ‡Έ Cloudflare
PTRbrodie.ns.cloudflare.com
MXmx10.antispam.mailspamprotection.com ⭐
A34.149.79.66πŸ‡ΊπŸ‡Έ Google
PTR66.79.149.34.bc.googleusercontent.com
MXmx20.antispam.mailspamprotection.com(20)
A34.120.156.61πŸ‡ΊπŸ‡Έ Google
PTR61.156.120.34.bc.googleusercontent.com
MXmx30.antispam.mailspamprotection.com(30)
A34.111.121.216πŸ‡ΊπŸ‡Έ Google
PTR216.121.111.34.bc.googleusercontent.com
TXTgoogle-site-verification=gs_Lywi8ui45bLYVPO_smpjqjV2_vIoVpIJd-qZIcm0
TXTgoogle-site-verification=zL4cKW0Dvytg2P17GmoVU8a1NPnBWb88m6GlGxhcoS0
TXTv=spf1 +a +mx include:professor.cx.spf.auto.dnssmarthost.net include:mailgun....
HTTPSHTTP/2 βœ“ hints match
IPv4104.20.31.18, 172.66.166.143
IPv62606:4700:10::6814:1f12, 2606:4700:10::ac42:a68f
SOAbetty.ns.cloudflare.comdns@cloudflare.com serial=2395533570

cx

DNSSECπŸ”’ Signed (DS record present)
NSns.anycast.nic.cx ⭐ πŸ”’
NSns1.anycastdns.cz πŸ”’
NSns2.anycastdns.cz πŸ”’
TXTGeneration Time: 1771419830
TXTGeneration Time ISO 8601: 2026-02-18 13:03:50
SOAns.anycast.nic.cxhostmaster@coccaregistry.org 2026-02-18 #6

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSbetty.ns.cloudflare.combrodie.ns.cloudflare.comMXmx10.antispam.mailspamprotection.commx20.antispam.mailspamprotection.commx30.antispam.mailspamprotection.comA104.20.31.18172.66.166.1432606:4700:10::6814:1f122606:4700:10::ac42:a68f
●NSbetty.ns.cloudflare.com2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●NSbrodie.ns.cloudflare.com2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●MXmx10.antispam.mailspamprotection.com2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●MXmx20.antispam.mailspamprotection.com2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●MXmx30.antispam.mailspamprotection.com2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●A104.20.31.182026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●A172.66.166.1432026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●A2606:4700:10::6814:1f122026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36
●A2606:4700:10::ac42:a68f2026-02-17 β†’ 2026-02-19 Β· 2 obs
● 2026-02-17 16:52:52
● 2026-02-19 01:39:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cxns.anycast.nic.cx, ns1.anycastdns.cz, ns2.anycastdns.cz5 records
professor.cxbetty.ns.cloudflare.com, brodie.ns.cloudflare.com-

βœ… Authoritative Response

Server: 108.162.195.237

NS records: betty.ns.cloudflare.com, brodie.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professor.cx (unsigned zone)

⏱️ Timing

Total: 721ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.66.166.143, 104.20.31.18
AAAA22606:4700:10::ac42:a68f, 2606:4700:10::6814:1f12
NS2betty.ns.cloudflare.com, brodie.ns.cloudflare.com
MX3mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr...
TXT3google-site-verification=gs_Lywi8ui45bLY, google-site-verification=zL4cKW0Dvytg2P1...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1betty.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 5

In-bailiwick: 2 (ns.anycast.nic.cx, ns.anycast.nic.cx)

Out-of-bailiwick: 3 (ns1.anycastdns.cz, ns2.anycastdns.cz, ns1.anycastdns.cz)

AI analysis

professor.cx points to four IP numbers: 2606:4700:10::6814:1f12, 2606:4700:10::ac42:a68f, 104.20.31.18 and 172.66.166.143.

Other host names, for instance blog.yidio.com, yidio.com, petitfute.com, pro.petitfute.com and api.yidio.com share IP numbers with professor.cx.

professor.cx is delegated to two name servers: betty.ns.cloudflare.com and brodie.ns.cloudflare.com.

professor.cx uses the same name server setup as other domains, for instance xc608.com, 345365d.com, 881sun.com, l99c.cc and 27788b.com.

professor.cx shares name servers with other domains at least partially, for instance localfitusa.com, sussexsheds.com, yakeen.com, kaeser.network and c2cpackhorse.co.uk.

These name servers are commonly used with piotr.ns.cloudflare.com, ashley.ns.cloudflare.com, lamar.ns.cloudflare.com and hans.ns.cloudflare.com.

Host names with six IP numbers: betty.ns.cloudflare.com points to 2606:4700:50::adf5:3a4b, 2803:f800:50::6ca2:c04b, 2a06:98c1:50::ac40:204b, 108.162.192.75, 172.64.32.75 and 173.245.58.75; brodie.ns.cloudflare.com points to 2606:4700:58::a29f:2ced, 2803:f800:50::6ca2:c3ed, 2a06:98c1:50::ac40:23ed, 108.162.195.237, 162.159.44.237 and 172.64.35.237.

professor.cx is handled by three mail servers: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.

professor.cx shares some mail servers with other domains, including hzyilin.com, carolynneeson.co.uk, reweaving.org, studiomicera.it and m-das.com.

Host names with a single IP number:

mx10.antispam.mailspamprotection.com points to 34.149.79.66.

mx20.antispam.mailspamprotection.com points to 34.120.156.61.

mx30.antispam.mailspamprotection.com points to 34.111.121.216.