cihs.edu.bd - robtex.com

cihs.edu.bd

DNSSEC⚠️ Not signed
A154.26.130.134🇸🇬 CONTABO-ASIA154.26.128.0/21 Route Registered for Cogent Communications Customer - Contabo Asia Private LTD
PTRvmi1921722.contaboserver.net
NSns1.contabo.net ⭐
A2a02:c207:ff00:1200::1🇩🇪 CONTABO2a02:c207::/32
A5.180.150.13🇺🇸 CONTABO5.180.150.0/24
PTRns1.contabo.net
NSns2.contabo.net
A2a02:c202:5028:1200::1🇩🇪 CONTABO2a02:c202::/32
A195.179.224.10🇩🇪 CONTABO195.179.224.0/21
PTRns2.contabo.net
NSns3.contabo.net
A2605:a140:5028:1200::1🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States
A209.126.15.15🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States
PTRns3.contabo.net
MXmail.cihs.edu.bd ⭐
A154.26.130.134🇸🇬 CONTABO-ASIA154.26.128.0/21 Route Registered for Cogent Communications Customer - Contabo Asia Private LTD
PTRvmi1921722.contaboserver.net
SOAns1.contabo.nethostmaster@contabo.de serial=1778391007

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 2026-05-10 #22
WOT: SAFE (50/100)

Previously MX for

cihs.edu.bd

Subdomains

www.cihs.edu.bd

Same first word

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cish.cn

DNS History

9 records (5 active, 4 former)

20192020202120222023202420252026NSns1.contabo.netns2.contabo.netns3.contabo.netns1.tstime.netns2.tstime.netMXmail.cihs.edu.bdcihs.edu.bdA154.26.130.13450.87.131.20
●NSns1.contabo.net2026-03-22 → 2026-05-10 · 3 obs
○ 2018-12-19 06:47:54
● 2026-03-22 02:34:36
● 2026-05-10 05:30:08
○NSns1.tstime.net2018-12-19 → 2018-12-19 · 3 obs
● 2018-12-19 06:47:54
○ 2026-03-22 02:34:36
○ 2026-05-10 05:30:08
●NSns2.contabo.net2026-03-22 → 2026-05-10 · 3 obs
○ 2018-12-19 06:47:54
● 2026-03-22 02:34:36
● 2026-05-10 05:30:08
○NSns2.tstime.net2018-12-19 → 2018-12-19 · 3 obs
● 2018-12-19 06:47:54
○ 2026-03-22 02:34:36
○ 2026-05-10 05:30:08
●NSns3.contabo.net2026-03-22 → 2026-05-10 · 3 obs
○ 2018-12-19 06:47:54
● 2026-03-22 02:34:36
● 2026-05-10 05:30:08
○MXcihs.edu.bd2018-12-19 → 2018-12-19 · 3 obs
● 2018-12-19 06:47:54
○ 2026-03-22 02:34:36
○ 2026-05-10 05:30:08
●MXmail.cihs.edu.bd2026-03-22 → 2026-05-10 · 3 obs
○ 2018-12-19 06:47:54
● 2026-03-22 02:34:36
● 2026-05-10 05:30:08
●A154.26.130.1342026-03-22 → 2026-05-10 · 3 obs
○ 2018-12-19 06:47:54
● 2026-03-22 02:34:36
● 2026-05-10 05:30:08
○A50.87.131.202018-12-19 → 2018-12-19 · 3 obs
● 2018-12-19 06:47:54
○ 2026-03-22 02:34:36
○ 2026-05-10 05:30:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bddns.bd, jamuna.btcl.net.bd, surma.btcl.net.bd, bd-ns.anycast.pch.net8 records
cihs.edu.bdns3.contabo.net, ns1.contabo.net, ns2.contabo.net-

✅ Authoritative Response

Server:195.179.224.10

NS records: ns3.contabo.net, ns1.contabo.net, ns2.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1946ms | Queries: -

📄 Records

TypeCountSample Data
A1154.26.130.134
NS3ns1.contabo.net, ns3.contabo.net...
MX1mail.cihs.edu.bd (pri: 10)
SOA1ns1.contabo.net hostmaster.contabo.de

📌 Glue Records Collected

Total: 8

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

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

Analysis

Hierarchy

The parent of www.cihs.edu.bd is cihs.edu.bd.

IP Addresses

cihs.edu.bd points to IP number: 154.26.130.134.

Other host names such as www.tsmts.com, tsmts.com, bghsctg.edu.bd, gmhsctg.edu.bd and tsmts.org share IPs with cihs.edu.bd.

Name Servers

cihs.edu.bd is delegated to three name servers: ns1.contabo.net, ns2.contabo.net and ns3.contabo.net.

cihs.edu.bd at least partially shares name servers with other domains, for instance yelhy-himo.com, fastfix.eu, type-sign.de, froxys.com and finexgo.de.

Host ns1.contabo.net points to 2a02:c207:ff00:1200::1 and 5.180.150.13; Host ns2.contabo.net points to 2a02:c202:5028:1200::1 and 195.179.224.10; Host ns3.contabo.net points to 2605:a140:5028:1200::1 and 209.126.15.15.

Mail Servers

cihs.edu.bd is handled by a single mail server, mail.cihs.edu.bd.

mail.cihs.edu.bd points to a single IP: 154.26.130.134.