diligentbooks.com - robtex.com

diligentbooks.com

DNSSEC⚠️ Not signed
A13.248.160.137🇺🇸 Amazon13.248.160.0/20
PTRaa089eb6179d1ae2b.awsglobalaccelerator.com
A76.223.34.124🇺🇸 Amazon76.223.32.0/20
NSns1-09.azure-dns.com ⭐
A2603:1061:0:700::9🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-09.azure-dns.com
A13.107.236.9🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-09.azure-dns.com
NSns2-09.azure-dns.net
A2620:1ec:8ec:700::9🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-09.azure-dns.net
A150.171.21.9🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-09.azure-dns.net
NSns3-09.azure-dns.org
A2a01:111:4000:700::9🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-09.azure-dns.org
A204.14.183.9🇺🇸 Microsoft204.14.180.0/22
PTRns3-09.azure-dns.org
NSns4-09.azure-dns.info
A2620:1ec:bda:700::9🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-09.azure-dns.info
A208.84.5.9🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-09.azure-dns.info
MXus-smtp-inbound-1.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com ⭐
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTv=spf1 -all
SOAns1-09.azure-dns.comitservices@boardbooks.com 2020-03-05 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774447622
WOT: SAFE (60/100)

Subdomains

smtp.diligentbooks.com

Same first word

diligentbooks.com

DNS History

22 records (8 active, 14 former)

200920112013201520172019202120232025NSns1-09.azure-dns.comns2-09.azure-dns.netns3-09.azure-dns.orgns4-09.azure-dns.infodns01.msohosting.comdns02.msohosting.comdns1.msohosting.comdns2.msohosting.comns1.p30.dynect.netns2.p30.dynect.netns3.p30.dynect.netns4.p30.dynect.netMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comsmtp.diligentbooks.comsmtp2.diligentbooks.comA13.248.160.13776.223.34.124104.239.133.17364.14.50.15067.225.129.15274.201.140.87
○NSdns01.msohosting.com2015-06-02 → 2015-06-02 · 4 obs
○ 2008-03-20 05:08:24
● 2015-06-02 02:32:18
○ 2015-10-19 23:13:26
○ 2026-03-25 14:08:20
○NSdns02.msohosting.com2015-06-02 → 2015-06-02 · 4 obs
○ 2008-03-20 05:08:24
● 2015-06-02 02:32:18
○ 2015-10-19 23:13:26
○ 2026-03-25 14:08:20
○NSdns1.msohosting.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 05:08:24
○ 2015-06-02 02:32:18
○ 2026-03-25 14:08:20
○NSdns2.msohosting.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 05:08:24
○ 2015-06-02 02:32:18
○ 2026-03-25 14:08:20
●NSns1-09.azure-dns.com2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○NSns1.p30.dynect.net2015-10-19 → 2016-06-17 · 5 obs
○ 2015-06-02 02:32:18
● 2015-10-19 23:13:26
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
●NSns2-09.azure-dns.net2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○NSns2.p30.dynect.net2015-10-19 → 2016-06-17 · 5 obs
○ 2015-06-02 02:32:18
● 2015-10-19 23:13:26
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
●NSns3-09.azure-dns.org2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○NSns3.p30.dynect.net2015-10-19 → 2016-06-17 · 5 obs
○ 2015-06-02 02:32:18
● 2015-10-19 23:13:26
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
●NSns4-09.azure-dns.info2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○NSns4.p30.dynect.net2015-10-19 → 2016-06-17 · 5 obs
○ 2015-06-02 02:32:18
● 2015-10-19 23:13:26
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
○MXsmtp.diligentbooks.com2008-03-20 → 2016-06-17 · 4 obs
● 2008-03-20 05:08:24
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
○MXsmtp2.diligentbooks.com2008-03-20 → 2016-06-17 · 4 obs
● 2008-03-20 05:08:24
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
●MXus-smtp-inbound-1.mimecast.com2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
●MXus-smtp-inbound-2.mimecast.com2026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○A104.239.133.1732015-10-19 → 2016-02-20 · 5 obs
○ 2015-06-02 02:32:18
● 2015-10-19 23:13:26
● 2016-02-20 13:38:20
○ 2016-06-17 01:13:56
○ 2026-03-25 14:08:20
●A13.248.160.1372026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20
○A64.14.50.1502008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 05:08:24
○ 2015-06-02 02:32:18
○ 2026-03-25 14:08:20
○A67.225.129.1522016-06-17 → 2016-06-17 · 4 obs
○ 2016-02-20 13:38:20
● 2016-06-17 01:13:56
○ 2026-02-23 19:16:10
○ 2026-03-25 14:08:20
○A74.201.140.872015-06-02 → 2015-06-02 · 4 obs
○ 2008-03-20 05:08:24
● 2015-06-02 02:32:18
○ 2015-10-19 23:13:26
○ 2026-03-25 14:08:20
●A76.223.34.1242026-02-23 → 2026-03-25 · 3 obs
○ 2016-06-17 01:13:56
● 2026-02-23 19:16:10
● 2026-03-25 14:08:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
diligentbooks.comns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info2 records

✅ Authoritative Response

Server:204.14.183.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diligentbooks.com (unsigned zone)

⏱️ Timing

Total: 618ms | Queries: -

📄 Records

TypeCountSample Data
A213.248.160.137, 76.223.34.124
NS4ns1-09.azure-dns.com, ns2-09.azure-dns.net...
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT1v=spf1 -all
SOA1ns1-09.azure-dns.com itservices.boardboo

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)

Analysis

Hierarchy

The parent of smtp.diligentbooks.com is diligentbooks.com.

IP Addresses

diligentbooks.com points to two IP numbers: 13.248.160.137 and 76.223.34.124.

Other host names such as seismick.com, ennisflint.com, e-xstream.com, ellation.zone and axavorsorge.ch share IPs with diligentbooks.com.

Name Servers

diligentbooks.com is delegated to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

diligentbooks.com at least partially shares name servers with other domains, for example luxi.lu, fastighetsbyran.co, msopsmgr.net, m3turbo.hu and horze.fi.

Host names with two IP numbers:

ns1-09.azure-dns.com points to: 2603:1061:0:700::9 and 13.107.236.9

ns4-09.azure-dns.info points to: 2620:1ec:bda:700::9 and 208.84.5.9

ns2-09.azure-dns.net points to: 2620:1ec:8ec:700::9 and 150.171.21.9

ns3-09.azure-dns.org points to: 2a01:111:4000:700::9 and 204.14.183.9

Mail Servers

Two mail servers handle diligentbooks.com: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

diligentbooks.com shares the same mail server setup as other domains, including pe.ci.org, bayfrontgrille.com, hotelroanoke.com, dondillon.com and intofire.com.

diligentbooks.com shares at least partially some mail servers with other domains, for instance dealerincentiveprogram.com, universalinsuranceholdings.com, racowireless.com, generalspringkc.com and unisea.com.

Two hosts with six IPs each. Host us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242. Host us-smtp-inbound-2.mimecast.com points to the same six.

Hosts that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.