bis.edu.bd - robtex.com

bis.edu.bd

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:be42🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:5c4d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.92.77Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.66🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbonnie.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbonnie.ns.cloudflare.com
A2803:f800:50::6ca2:c04c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbonnie.ns.cloudflare.com
A2a06:98c1:50::ac40:204c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbonnie.ns.cloudflare.com
A108.162.192.76🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbonnie.ns.cloudflare.com
A172.64.32.76🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbonnie.ns.cloudflare.com
A173.245.58.76🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbonnie.ns.cloudflare.com
NSpiotr.ns.cloudflare.com
A2606:4700:58::adf5:3bde🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpiotr.ns.cloudflare.com
A2803:f800:50::6ca2:c1de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpiotr.ns.cloudflare.com
A2a06:98c1:50::ac40:21de🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpiotr.ns.cloudflare.com
A108.162.193.222🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpiotr.ns.cloudflare.com
A172.64.33.222🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpiotr.ns.cloudflare.com
A173.245.59.222🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpiotr.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c0b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
TXTgoogle-gws-recovery-domain-verification=67210336
TXTgoogle-site-verification=YSayRTKzNGY0aqsIkM5xzxJcVHjnitu0i9T0BlD3Kko
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.92.77, 172.67.190.66
IPv6 hints2606:4700:3030::ac43:be42, 2606:4700:3035::6815:5c4d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com
SOAbonnie.ns.cloudflare.comdns@cloudflare.com serial=2403570643

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 2026-05-15 #16
WOT: SAFE (50/100)

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DNS History

7 records (7 active, 0 former)

NSbonnie.ns.cloudflare.compiotr.ns.cloudflare.comMXsmtp.google.comA104.21.92.77172.67.190.662606:4700:3030::ac43:be422606:4700:3035::6815:5c4d
●NSbonnie.ns.cloudflare.com2026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●NSpiotr.ns.cloudflare.com2026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●MXsmtp.google.com2026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●A104.21.92.772026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●A172.67.190.662026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●A2606:4700:3030::ac43:be422026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44
●A2606:4700:3035::6815:5c4d2026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 04:47:04
● 2026-05-15 02:49:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bdjamuna.btcl.net.bd, bd-ns.anycast.pch.net, dns.bd, surma.btcl.net.bd8 records
bis.edu.bdpiotr.ns.cloudflare.com, bonnie.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.76

NS records: piotr.ns.cloudflare.com, bonnie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1935ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.92.77, 172.67.190.66
AAAA22606:4700:3030::ac43:be42, 2606:4700:3035::6815:5c4d
NS2bonnie.ns.cloudflare.com, piotr.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-gws-recovery-domain-verification=, google-site-verification=YSayRTKzNGY0aqs
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bonnie.ns.cloudflare.com dns.cloudflare.

📌 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

bis.edu.bd maps to four IP numbers: 2606:4700:3030::ac43:be42, 2606:4700:3035::6815:5c4d, 104.21.92.77 and 172.67.190.66.

Other host names such as lifehome.vn, ticpulse.com, meatspen.com, aporosacloud.digital and supermovilin.com share IPs with bis.edu.bd.

Name Servers

Two name servers bonnie.ns.cloudflare.com and piotr.ns.cloudflare.com handle the delegation for bis.edu.bd.

bis.edu.bd shares the same name server setup as other domains, for example avukatsozluk.com, blueat.me, eau-osmose-inverse.com, pixelsmarter.com and bit-cloud.info.

bis.edu.bd at least partially shares name servers with other domains, for example drbillsukala.com, playjonny-spiel.de, gztjjy.cn, allahblessboxx2024.workers.dev and sistecredito.com.

These name servers are commonly used with aragorn.ns.cloudflare.com and betty.ns.cloudflare.com and lars.ns.cloudflare.com.

Host names with six IP numbers:

bonnie.ns.cloudflare.com points to 2606:4700:50::adf5:3a4c, 2803:f800:50::6ca2:c04c, 2a06:98c1:50::ac40:204c, 108.162.192.76, 172.64.32.76 and 173.245.58.76.

piotr.ns.cloudflare.com points to 2606:4700:58::adf5:3bde, 2803:f800:50::6ca2:c1de, 2a06:98c1:50::ac40:21de, 108.162.193.222, 172.64.33.222 and 173.245.59.222.

Mail Servers

The smtp.google.com mail server handles bis.edu.bd.

bis.edu.bd shares the same mail server setup as other domains, including boskers.com, paulhaddock-assoc.com, olneylabs.com, moacoffeeinc.com and (0x666574697368)landstudios.com.

bis.edu.bd shares at least partially some mail servers with other domains, for instance brilliantstarsschool.org, dsformation.org, retrievalpractice.org, boir.org and simonasm.com.

These mail servers commonly pair with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

The host name smtp.google.com maps to nine IP numbers: 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c19::1a, 2607:f8b0:4004:c19::1b, 142.250.31.26, 142.251.16.26, 142.251.16.27, 142.251.111.26 and 142.251.111.27.