btbu.org - robtex.com

btbu.org

DNSSEC⚠️ Not signed
A63.250.43.11🇺🇸 NAMCHEAP-PH63.250.43.0/24
PTRingress-cinna.ewp.live
A63.250.43.12🇺🇸 NAMCHEAP-PH63.250.43.0/24
NSdns1.registrar-servers.com ⭐
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.easywp.com ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1752977171

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1780739376

Same first word

btbu.com
btbu.ru
btbu.org
btbu.by
btbu.edu.cn

Similar names

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utbb.pl
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butb.net
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ubbt.cn
bbtu.com
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tbbu.org.tw
tbbu.net
utbb.edu.mx
butb.ru
ubbt.com
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butb.cn
bbtu.ru
utbb.de
bbtu.cn
btub.com
ubbt.net
bbut.com
bbtu.net
tubb.no
tubb.net

DNS History

12 records (9 active, 3 former)

2017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA63.250.43.1163.250.43.12122.9.186.149
●NSdns1.registrar-servers.com2026-03-30 → 2026-06-06 · 3 obs
○ 2017-08-17 00:20:12
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●NSdns2.registrar-servers.com2026-03-30 → 2026-06-06 · 3 obs
○ 2017-08-17 00:20:12
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
○NSf1g1ns1.dnspod.net2016-03-24 → 2016-04-05 · 4 obs
● 2016-03-24 22:49:10
● 2016-04-05 13:00:06
○ 2017-08-17 00:20:12
○ 2026-06-06 10:19:46
○NSf1g1ns2.dnspod.net2016-03-24 → 2016-04-05 · 4 obs
● 2016-03-24 22:49:10
● 2016-04-05 13:00:06
○ 2017-08-17 00:20:12
○ 2026-06-06 10:19:46
●MXeforward1.registrar-servers.com2026-03-30 → 2026-06-06 · 2 obs
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●MXeforward2.registrar-servers.com2026-03-30 → 2026-06-06 · 2 obs
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●MXeforward3.registrar-servers.com2026-03-30 → 2026-06-06 · 2 obs
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●MXeforward4.registrar-servers.com2026-03-30 → 2026-06-06 · 2 obs
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●MXeforward5.registrar-servers.com2026-03-30 → 2026-06-06 · 2 obs
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
○A122.9.186.1492016-03-24 → 2016-04-05 · 4 obs
● 2016-03-24 22:49:10
● 2016-04-05 13:00:06
○ 2017-08-17 00:20:12
○ 2026-06-06 10:19:46
●A63.250.43.112026-03-30 → 2026-06-06 · 3 obs
○ 2017-08-17 00:20:12
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46
●A63.250.43.122026-03-30 → 2026-06-06 · 3 obs
○ 2017-08-17 00:20:12
● 2026-03-30 12:00:16
● 2026-06-06 10:19:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
btbu.orgdns2.registrar-servers.com, dns1.registrar-servers.com-

✅ Authoritative Response

Server:156.154.133.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btbu.org (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

TypeCountSample Data
A263.250.43.11, 63.250.43.12
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.easywp.com ~all
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

btbu.org points to two IP numbers: 63.250.43.11 and 63.250.43.12.

Among the host names that share IP numbers with btbu.org are d2dis.com, newmerciesisee.org, reviewschools.com and two others.

Name Servers

Two name servers handle the delegation for btbu.org: dns1.registrar-servers.com and dns2.registrar-servers.com.

btbu.org has the same name server delegation as a number of other domains, such as piercehudson.com, nestlamp.com, victoriafarina.com and two more.

btbu.org is at least partially co-delegated on name servers with other domains, such as resilience.tips.

dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.

Mail Servers

btbu.org uses 5 mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com plus two additional ones.

btbu.org shares at least some of its mail servers with other domains — for example lemagou.com, secretag.com, wulabu.com and two more.

It is common for these mail servers to co-occur with eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com as mail servers.

Host names with one IP number:

The hostname eforward1.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward2.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward3.registrar-servers.com resolves to 162.255.118.51.

The hostname eforward4.registrar-servers.com resolves to 162.255.118.52.

The hostname eforward5.registrar-servers.com resolves to 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

eforward2.registrar-servers.com along with eforward4.registrar-servers.com each resolve to 162.255.118.52 IP addresses.