crystal-instructor.com - robtex.com

crystal-instructor.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:b716🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:202f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.47Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.22🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgordon.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgordon.ns.cloudflare.com
A2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgordon.ns.cloudflare.com
A108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
A173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgordon.ns.cloudflare.com
NSlila.ns.cloudflare.com
A2606:4700:50::adf5:3aba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A2803:f800:50::6ca2:c0ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlila.ns.cloudflare.com
A2a06:98c1:50::ac40:20ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlila.ns.cloudflare.com
A108.162.192.186🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A172.64.32.186🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A173.245.58.186🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.47, 172.67.183.22
IPv6 hints2606:4700:3035::ac43:b716, 2606:4700:3037::6815:202f
SOAgordon.ns.cloudflare.comdns@cloudflare.com serial=2409768730

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=1784499942
⚠️ On DNS blocklist: tif

Same first word

crystal-instructor.com

DNS History

12 records (6 active, 6 former)

NSgordon.ns.cloudflare.comlila.ns.cloudflare.comA104.21.32.47172.67.183.222606:4700:3035::ac43:b7162606:4700:3037::6815:202f188.114.96.0188.114.97.02606:4700:3031::ac43:b7162606:4700:3034::6815:202f2a06:98c1:3120::2a06:98c1:3121::
●NSgordon.ns.cloudflare.com2026-04-05 → 2026-07-19 · 2 obs
● 2026-04-05 00:43:22
● 2026-07-19 22:52:08
●NSlila.ns.cloudflare.com2026-04-05 → 2026-07-19 · 2 obs
● 2026-04-05 00:43:22
● 2026-07-19 22:52:08
●A104.21.32.472026-04-05 → 2026-07-19 · 5 obs
● 2026-04-05 00:43:22
● 2026-04-29 11:17:00
○ 2026-04-29 11:49:00
● 2026-05-01 02:23:14
● 2026-07-19 22:52:08
●A172.67.183.222026-04-05 → 2026-07-19 · 5 obs
● 2026-04-05 00:43:22
● 2026-04-29 11:17:00
○ 2026-04-29 11:49:00
● 2026-05-01 02:23:14
● 2026-07-19 22:52:08
○A188.114.96.02026-04-29 → 2026-04-29 · 4 obs
○ 2026-04-29 11:17:00
● 2026-04-29 11:49:00
○ 2026-05-01 02:23:14
○ 2026-07-19 22:52:08
○A188.114.97.02026-04-29 → 2026-04-29 · 4 obs
○ 2026-04-29 11:17:00
● 2026-04-29 11:49:00
○ 2026-05-01 02:23:14
○ 2026-07-19 22:52:08
○A2606:4700:3031::ac43:b7162026-04-05 → 2026-05-01 · 6 obs
● 2026-04-05 00:43:22
● 2026-04-29 11:17:00
○ 2026-04-29 11:49:00
● 2026-05-01 02:23:14
○ 2026-07-12 06:28:48
○ 2026-07-19 22:52:08
○A2606:4700:3034::6815:202f2026-04-05 → 2026-05-01 · 6 obs
● 2026-04-05 00:43:22
● 2026-04-29 11:17:00
○ 2026-04-29 11:49:00
● 2026-05-01 02:23:14
○ 2026-07-12 06:28:48
○ 2026-07-19 22:52:08
●A2606:4700:3035::ac43:b7162026-07-12 → 2026-07-19 · 3 obs
○ 2026-05-01 02:23:14
● 2026-07-12 06:28:48
● 2026-07-19 22:52:08
●A2606:4700:3037::6815:202f2026-07-12 → 2026-07-19 · 3 obs
○ 2026-05-01 02:23:14
● 2026-07-12 06:28:48
● 2026-07-19 22:52:08
○A2a06:98c1:3120::2026-04-29 → 2026-04-29 · 4 obs
○ 2026-04-29 11:17:00
● 2026-04-29 11:49:00
○ 2026-05-01 02:23:14
○ 2026-07-19 22:52:08
○A2a06:98c1:3121::2026-04-29 → 2026-04-29 · 4 obs
○ 2026-04-29 11:17:00
● 2026-04-29 11:49:00
○ 2026-05-01 02:23:14
○ 2026-07-19 22:52:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
crystal-instructor.comgordon.ns.cloudflare.com, lila.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.170

NS records: gordon.ns.cloudflare.com, lila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crystal-instructor.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.183.22, 104.21.32.47
AAAA22606:4700:3035::ac43:b716, 2606:4700:3037::6815:202f
NS2gordon.ns.cloudflare.com, lila.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gordon.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

crystal-instructor.com resolves to four IP addresses: 104.21.32.47, 172.67.183.22, 2606:4700:3035::ac43:b716 and 2606:4700:3037::6815:202f.

Among the host names that share IP numbers with crystal-instructor.com are chillish.app, getfix.win, www.qhhx.com.cn and two others.

Name Servers

crystal-instructor.com is delegated to two name servers: gordon.ns.cloudflare.com and lila.ns.cloudflare.com.

crystal-instructor.com has the same name server delegation as a number of other domains, such as 1intop.ru, mischiefmakersmanual.com, dshp.pro and two more.

crystal-instructor.com has at least partial name server overlap with other domains, such as stuckengroup.de, studentempire.com, lqwtjh.com and two others.

It is common to find these name servers paired with the name servers aspen.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gordon.ns.cloudflare.com resolves to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 other IP addresses.

lila.ns.cloudflare.com resolves to 108.162.192.186, 172.64.32.186, 173.245.58.186 and 3 other IP addresses.