rhs.edu.bd - robtex.com

rhs.edu.bd

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8cdaπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::6815:5edfπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.94.223Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.140.218πŸ‡ΊπŸ‡Έ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSalex.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b64πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A2803:f800:50::6ca2:c164πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalex.ns.cloudflare.com
A2a06:98c1:50::ac40:2164πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRalex.ns.cloudflare.com
A108.162.193.100πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A172.64.33.100πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A173.245.59.100πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
NSdalary.ns.cloudflare.com
A2606:4700:50::a29f:26dcπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdalary.ns.cloudflare.com
A2803:f800:50::6ca2:c2dcπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdalary.ns.cloudflare.com
A2a06:98c1:50::ac40:22dcπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdalary.ns.cloudflare.com
A108.162.194.220πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdalary.ns.cloudflare.com
A162.159.38.220Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdalary.ns.cloudflare.com
A172.64.34.220πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdalary.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.94.223, 172.67.140.218
IPv6 hints2606:4700:3033::ac43:8cda, 2606:4700:3037::6815:5edf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com
SOAalex.ns.cloudflare.comdns@cloudflare.com serial=2398951199

edu.bd

DNSSEC⚠️ Not signed
NSdns.bd ⭐ ⚠️ Not in parent delegation
NSbd-ns.anycast.pch.net ⚠️ Not in parent delegation
NSjamuna.btcl.net.bd ⚠️ Not in parent delegation
NSsurma.btcl.net.bd ⚠️ Not in parent delegation
SOAdns.bdroot@dns.bd 2026-04-14 #22
WOT: SAFE (50/100)

Previously MX for

Same first word

Similar names

DNS History

10 records (6 active, 4 former)

20222023202420252026NSalex.ns.cloudflare.comdalary.ns.cloudflare.comdns1.ctghostbd.comdns2.ctghostbd.comMXrhs.edu.bdA104.21.94.223172.67.140.2182606:4700:3033::ac43:8cda2606:4700:3037::6815:5edf95.217.53.141
●NSalex.ns.cloudflare.com2026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
●NSdalary.ns.cloudflare.com2026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
β—‹NSdns1.ctghostbd.com2021-06-08 β†’ 2021-06-08 Β· 3 obs
● 2021-06-08 08:56:20
β—‹ 2026-03-27 07:50:04
β—‹ 2026-04-14 06:22:32
β—‹NSdns2.ctghostbd.com2021-06-08 β†’ 2021-06-08 Β· 3 obs
● 2021-06-08 08:56:20
β—‹ 2026-03-27 07:50:04
β—‹ 2026-04-14 06:22:32
β—‹MXrhs.edu.bd2021-06-08 β†’ 2021-06-08 Β· 3 obs
● 2021-06-08 08:56:20
β—‹ 2026-03-27 07:50:04
β—‹ 2026-04-14 06:22:32
●A104.21.94.2232026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
●A172.67.140.2182026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
●A2606:4700:3033::ac43:8cda2026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
●A2606:4700:3037::6815:5edf2026-03-27 β†’ 2026-04-14 Β· 3 obs
β—‹ 2021-06-08 08:56:20
● 2026-03-27 07:50:04
● 2026-04-14 06:22:32
β—‹A95.217.53.1412021-06-08 β†’ 2021-06-08 Β· 3 obs
● 2021-06-08 08:56:20
β—‹ 2026-03-27 07:50:04
β—‹ 2026-04-14 06:22:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
bdjamuna.btcl.net.bd, dns.bd, bd-ns.anycast.pch.net, surma.btcl.net.bd8 records
rhs.edu.bddalary.ns.cloudflare.com, alex.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.59.100

NS records: dalary.ns.cloudflare.com, alex.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rhs.edu.bd (unsigned zone)

⏱️ Timing

Total: 1155ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.140.218, 104.21.94.223
AAAA22606:4700:3033::ac43:8cda, 2606:4700:3037::6815:5edf
NS2alex.ns.cloudflare.com, dalary.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alex.ns.cloudflare.com dns.cloudflare.co

πŸ“Œ Glue Records Collected

Total: 8

In-bailiwick: 6 (jamuna.btcl.net.bd, surma.btcl.net.bd, dns.bd...)

Out-of-bailiwick: 2 (bd-ns.anycast.pch.net, bd-ns.anycast.pch.net)

Analysis

IP Addresses

rhs.edu.bd maps to four IP numbers: 2606:4700:3033::ac43:8cda, 2606:4700:3037::6815:5edf, 104.21.94.223 and 172.67.140.218.

other host names include 438dj.com, reachcon.cn, www.youtel.pro, tcpaindoctor.com and xifibehuexsystems.pics; they share IP numbers with rhs.edu.bd.

Name Servers

Two name servers alex.ns.cloudflare.com and dalary.ns.cloudflare.com handle the delegation for rhs.edu.bd.

rhs.edu.bd uses the same name server setup as other domains, including confnav.com, realestdata.com and bsmhs.edu.bd.

rhs.edu.bd at least partially shares name servers with other domains, for instance blushbymounika.com, itherald.com, graneingag.pro, hbhdmc.net and white-pin.com.

These name servers are commonly used with the following: jermaine.ns.cloudflare.com, rustam.ns.cloudflare.com, cleo.ns.cloudflare.com and zoe.ns.cloudflare.com.

Six IP addresses per host:

alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; dalary.ns.cloudflare.com points to 2606:4700:50::a29f:26dc, 2803:f800:50::6ca2:c2dc, 2a06:98c1:50::ac40:22dc, 108.162.194.220, 162.159.38.220 and 172.64.34.220