estb.org - robtex.com

estb.org

DNSSEC⚠️ Not signed
A41.80.37.64🇰🇪 Safaricom41.80.37.0/24 Limited
PTRhost55.safaricombusiness.co.ke
NSns1.safaricombusiness.co.ke ⭐
A41.203.208.129🇰🇪 Safaricom41.203.208.0/24 Limited
PTRns1.safaricombusiness.co.ke
NSns2.safaricombusiness.co.ke
A197.248.128.1🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-1.safaricombusiness.co.ke
NSns3.safaricombusiness.co.ke
A197.248.128.2🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-2.safaricombusiness.co.ke
NSns4.safaricombusiness.co.ke
A41.203.208.130🇰🇪 Safaricom41.203.208.0/24 Limited
PTRns4.safaricombusiness.co.ke
MXrat-01.safaricombusiness.co.ke ⭐
A41.203.208.133🇰🇪 Safaricom41.203.208.0/24 Limited
PTRthk-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.5🇰🇪 Safaricom197.248.128.0/24 Limited
PTRathi-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.138🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-138.safaricombusiness.co.ke
PTRathi-tes-rat02.safaricombusiness.co.ke
MXrat-02.safaricombusiness.co.ke ⭐
A41.203.208.133🇰🇪 Safaricom41.203.208.0/24 Limited
PTRthk-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.5🇰🇪 Safaricom197.248.128.0/24 Limited
PTRathi-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.138🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-138.safaricombusiness.co.ke
PTRathi-tes-rat02.safaricombusiness.co.ke
MXrat-03.safaricombusiness.co.ke(10)
A41.203.208.141🇰🇪 Safaricom41.203.208.0/24 Limited
PTRthk-tes-rat05.safaricombusiness.co.ke
A197.248.128.5🇰🇪 Safaricom197.248.128.0/24 Limited
PTRathi-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.138🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-138.safaricombusiness.co.ke
PTRathi-tes-rat02.safaricombusiness.co.ke
MXrat-04.safaricombusiness.co.ke(10)
A41.203.208.141🇰🇪 Safaricom41.203.208.0/24 Limited
PTRthk-tes-rat05.safaricombusiness.co.ke
A197.248.128.5🇰🇪 Safaricom197.248.128.0/24 Limited
PTRathi-ecisp-rat01.safaricombusiness.co.ke
A197.248.128.138🇰🇪 Safaricom197.248.128.0/24 Limited
PTR197-248-128-138.safaricombusiness.co.ke
PTRathi-tes-rat02.safaricombusiness.co.ke
TXTv=spf1 redirect=_spf.safaricombusiness.co.ke
SOAns1.safaricombusiness.co.keEnterpriseISPSystems@Safaricom.co.ke 2026-03-26 #1

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=1776097906

Subdomains

mail.estb.org

Same first word

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estb.ac.ma
estb.com.sg
estb.ru
estb.org.eg
estb.hu
estb.com
estb.org
estb.de
estb.es

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DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSns1.safaricombusiness.co.kens2.safaricombusiness.co.kens3.safaricombusiness.co.kens4.safaricombusiness.co.kens1.hostingww.comns2.hostingww.comns3.hostingww.comMXrat-01.safaricombusiness.co.kerat-02.safaricombusiness.co.kerat-03.safaricombusiness.co.kerat-04.safaricombusiness.co.kemail.estb.orgA41.80.37.64184.170.240.200
○NSns1.hostingww.com2015-04-23 → 2017-04-20 · 4 obs
● 2015-04-23 16:42:40
● 2017-04-20 23:49:04
○ 2026-03-27 12:35:52
○ 2026-04-13 16:39:38
●NSns1.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
○NSns2.hostingww.com2015-04-23 → 2017-04-20 · 4 obs
● 2015-04-23 16:42:40
● 2017-04-20 23:49:04
○ 2026-03-27 12:35:52
○ 2026-04-13 16:39:38
●NSns2.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
○NSns3.hostingww.com2015-04-23 → 2017-04-20 · 4 obs
● 2015-04-23 16:42:40
● 2017-04-20 23:49:04
○ 2026-03-27 12:35:52
○ 2026-04-13 16:39:38
●NSns3.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
●NSns4.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
○MXmail.estb.org2015-04-23 → 2017-04-20 · 4 obs
● 2015-04-23 16:42:40
● 2017-04-20 23:49:04
○ 2026-03-27 12:35:52
○ 2026-04-13 16:39:38
●MXrat-01.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
●MXrat-02.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
●MXrat-03.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
●MXrat-04.safaricombusiness.co.ke2026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38
○A184.170.240.2002015-04-23 → 2017-04-20 · 4 obs
● 2015-04-23 16:42:40
● 2017-04-20 23:49:04
○ 2026-03-27 12:35:52
○ 2026-04-13 16:39:38
●A41.80.37.642026-03-27 → 2026-04-13 · 3 obs
○ 2017-04-20 23:49:04
● 2026-03-27 12:35:52
● 2026-04-13 16:39:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
estb.orgns4.safaricombusiness.co.ke, ns3.safaricombusiness.co.ke, ns1.safaricombusiness.co.ke, ns2.safaricombusiness.co.ke-

✅ Authoritative Response

Server:197.248.128.1

NS records: ns4.safaricombusiness.co.ke, ns3.safaricombusiness.co.ke, ns1.safaricombusiness.co.ke, ns2.safaricombusiness.co.ke

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for estb.org (unsigned zone)

⏱️ Timing

Total: 1399ms | Queries: -

📄 Records

TypeCountSample Data
A141.80.37.64
NS4ns1.safaricombusiness.co.ke, ns3.safaricombusiness.co.ke...
MX4rat-01.safaricombusiness.co.ke (pri: 0), rat-02.safaricombusiness.co.ke (pri: 0)...
TXT1v=spf1 redirect=_spf.safaricombusiness.c
SOA1ns1.safaricombusiness.co.ke EnterpriseIS

Analysis

Hierarchy

The parent of mail.estb.org is estb.org.

IP Addresses

estb.org points to a single IP address: 41.80.37.64.

Other host names such as tellanex.com, tmalawassociates.co.ke, futures.co.ke, biasharatv.co.ke and kajinaholdings.co.ke share IPs with estb.org.

Name Servers

estb.org is delegated to four name servers: ns1.safaricombusiness.co.ke, ns2.safaricombusiness.co.ke, ns3.safaricombusiness.co.ke and ns4.safaricombusiness.co.ke.

estb.org at least partially shares name servers with other domains, for example teams.co.ke, naivas.co.ke, kimondogachoka.co.ke, safesol.co.ke and maraniafarm.com.

Host names with one IP number:

ns1.safaricombusiness.co.ke points to: 41.203.208.129

ns2.safaricombusiness.co.ke points to: 197.248.128.1

ns3.safaricombusiness.co.ke points to: 197.248.128.2

ns4.safaricombusiness.co.ke points to: 41.203.208.130

Mail Servers

estb.org is served by four mail servers: rat-01.safaricombusiness.co.ke, rat-02.safaricombusiness.co.ke, rat-03.safaricombusiness.co.ke and rat-04.safaricombusiness.co.ke.

estb.org shares at least partially some mail servers with other domains, for instance integrity.go.ke, sunrisesupplies.biz, breakingafricanews.com, togetherasone.co.ke and crakenya.org.

these mail servers are often used together with smtp01.safaricombusiness.co.ke, smtp02.safaricombusiness.co.ke, mx2.safaricombusiness.co.ke and smtp-01.safaricombusiness.co.ke.

Host names with three IP numbers:

rat-01.safaricombusiness.co.ke points to: 41.203.208.133, 197.248.128.5 and 197.248.128.138

rat-02.safaricombusiness.co.ke points to: 41.203.208.133, 197.248.128.5 and 197.248.128.138

rat-03.safaricombusiness.co.ke points to: 41.203.208.141, 197.248.128.5 and 197.248.128.138

rat-04.safaricombusiness.co.ke points to: 41.203.208.141, 197.248.128.5 and 197.248.128.138

Host names that point to:

41.203.208.133: rat-01.safaricombusiness.co.ke, rat-02.safaricombusiness.co.ke

197.248.128.5: rat-01.safaricombusiness.co.ke, rat-02.safaricombusiness.co.ke, rat-03.safaricombusiness.co.ke and rat-04.safaricombusiness.co.ke

197.248.128.138: rat-01.safaricombusiness.co.ke, rat-02.safaricombusiness.co.ke, rat-03.safaricombusiness.co.ke and rat-04.safaricombusiness.co.ke

41.203.208.141: rat-03.safaricombusiness.co.ke and rat-04.safaricombusiness.co.ke