rctdedu.com - robtex.com

rctdedu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1e51🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:ac82🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.81Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.130🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaspen.ns.cloudflare.com ⭐
A2606:4700:50::a29f:266d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A2803:f800:50::6ca2:c26d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaspen.ns.cloudflare.com
A2a06:98c1:50::ac40:226d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaspen.ns.cloudflare.com
A108.162.194.109🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A162.159.38.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A172.64.34.109🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
NSnash.ns.cloudflare.com
A2606:4700:58::adf5:3bd1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A2803:f800:50::6ca2:c1d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnash.ns.cloudflare.com
A2a06:98c1:50::ac40:21d1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnash.ns.cloudflare.com
A108.162.193.209🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A172.64.33.209🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A173.245.59.209🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.81, 172.67.172.130
IPv6 hints2606:4700:3031::6815:1e51, 2606:4700:3036::ac43:ac82
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOAaspen.ns.cloudflare.comdns@cloudflare.com serial=2410903287

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=1785878289

Same first word

rctdedu.com

Similar names

deductr.com

DNS History

12 records (6 active, 6 former)

NSaspen.ns.cloudflare.comnash.ns.cloudflare.comA104.21.30.81172.67.172.1302606:4700:3031::6815:1e512606:4700:3036::ac43:ac82188.114.96.0188.114.97.02606:4700:3030::6815:1e512606:4700:3031::ac43:ac822a06:98c1:3120::2a06:98c1:3121::
●NSaspen.ns.cloudflare.com2026-04-27 → 2026-08-04 · 2 obs
● 2026-04-27 14:53:10
● 2026-08-04 21:35:44
●NSnash.ns.cloudflare.com2026-04-27 → 2026-08-04 · 2 obs
● 2026-04-27 14:53:10
● 2026-08-04 21:35:44
●A104.21.30.812026-04-27 → 2026-08-04 · 5 obs
● 2026-04-27 14:53:10
● 2026-05-06 11:33:16
○ 2026-05-07 05:28:00
● 2026-05-08 14:58:52
● 2026-08-04 21:35:44
●A172.67.172.1302026-04-27 → 2026-08-04 · 5 obs
● 2026-04-27 14:53:10
● 2026-05-06 11:33:16
○ 2026-05-07 05:28:00
● 2026-05-08 14:58:52
● 2026-08-04 21:35:44
○A188.114.96.02026-05-07 → 2026-05-07 · 4 obs
○ 2026-05-06 11:33:16
● 2026-05-07 05:28:00
○ 2026-05-08 14:58:52
○ 2026-08-04 21:35:44
○A188.114.97.02026-05-07 → 2026-05-07 · 4 obs
○ 2026-05-06 11:33:16
● 2026-05-07 05:28:00
○ 2026-05-08 14:58:52
○ 2026-08-04 21:35:44
○A2606:4700:3030::6815:1e512026-04-27 → 2026-06-16 · 7 obs
● 2026-04-27 14:53:10
● 2026-05-06 11:33:16
○ 2026-05-07 05:28:00
● 2026-05-08 14:58:52
● 2026-06-16 13:28:22
○ 2026-06-24 23:36:30
○ 2026-08-04 21:35:44
●A2606:4700:3031::6815:1e512026-06-24 → 2026-08-04 · 3 obs
○ 2026-06-16 13:28:22
● 2026-06-24 23:36:30
● 2026-08-04 21:35:44
○A2606:4700:3031::ac43:ac822026-04-27 → 2026-06-16 · 7 obs
● 2026-04-27 14:53:10
● 2026-05-06 11:33:16
○ 2026-05-07 05:28:00
● 2026-05-08 14:58:52
● 2026-06-16 13:28:22
○ 2026-06-24 23:36:30
○ 2026-08-04 21:35:44
●A2606:4700:3036::ac43:ac822026-06-24 → 2026-08-04 · 3 obs
○ 2026-06-16 13:28:22
● 2026-06-24 23:36:30
● 2026-08-04 21:35:44
○A2a06:98c1:3120::2026-05-07 → 2026-05-07 · 4 obs
○ 2026-05-06 11:33:16
● 2026-05-07 05:28:00
○ 2026-05-08 14:58:52
○ 2026-08-04 21:35:44
○A2a06:98c1:3121::2026-05-07 → 2026-05-07 · 4 obs
○ 2026-05-06 11:33:16
● 2026-05-07 05:28:00
○ 2026-05-08 14:58:52
○ 2026-08-04 21:35:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rctdedu.comnash.ns.cloudflare.com, aspen.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.109

NS records: nash.ns.cloudflare.com, aspen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rctdedu.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.172.130, 104.21.30.81
AAAA22606:4700:3031::6815:1e51, 2606:4700:3036::ac43:ac82
NS2aspen.ns.cloudflare.com, nash.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aspen.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rctdedu.com directs to four IP numbers, which are 104.21.30.81, 172.67.172.130, 2606:4700:3031::6815:1e51 and 2606:4700:3036::ac43:ac82.

masterbotsolana.net, nct-usa.net, 852xiubiao.com and two other host names share IP numbers with rctdedu.com.

Name Servers

rctdedu.com is delegated to two name servers: aspen.ns.cloudflare.com and nash.ns.cloudflare.com.

rctdedu.com uses the same name servers as several other domains — among them gdlsxcb.com, hnshgt.com, abf88.com and two more.

At least some of rctdedu.com's name servers are shared with other domains, for example phorinyxela.sbs, kennedybluecommunications.com, acessomaisbr.com.br and two more.

These name servers are often deployed together with the name servers gordon.ns.cloudflare.com, meiling.ns.cloudflare.com, kianchau.ns.cloudflare.com and rodrigo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

aspen.ns.cloudflare.com resolves to 108.162.194.109, 162.159.38.109, 172.64.34.109 and 3 other IP addresses.

nash.ns.cloudflare.com resolves to 108.162.193.209, 172.64.33.209, 173.245.59.209 and 3 other IP addresses.