csem.com - dns.ninja

csem.com

DNSSEC⚠️ Not signed
A38.107.156.123🇺🇸 AS3334538.107.156.0/22 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
NSns01.sierradc.com ⭐
A38.107.149.60🇺🇸 AS3334538.107.149.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
PTRns01.sierradc.com
NSns02.sierradc.com
A38.107.149.61🇺🇸 AS3334538.107.149.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
PTRns02.sierradc.com
NSns03.sierradc.com
A159.63.2.72🇺🇸 CROWNCASTLE-AS46887159.63.2.0/24 Fibertech Networks, LLC
MXcsem-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::6🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr21cu00106.inbound.protection.outlook.com
A2a01:111:f403:c902::14🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr04cu00204.inbound.protection.outlook.com
A2a01:111:f403:f907::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm1pr04cu00201.inbound.protection.outlook.com
A2a01:111:f403:f913::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy1pr03cu00100.inbound.protection.outlook.com
A52.101.40.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr05cu00402.inbound.protection.outlook.com
A52.101.41.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.41.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01406.inbound.protection.outlook.com
A52.101.194.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00605.inbound.protection.outlook.com
TXTv=spf1 ip4:138.68.53.54 ip4:38.107.149.19 ip4:38.107.149.46 ip4:18.224.76.232...
TXTMS=ms95335155
TXTrhfn9eq5p13ub9kn35776f9dr4
SOAns01.sierradc.comhostmaster@sierrawowires.com serial=1538593615

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=1785029467
WOT: SAFE (68/100)

Subdomains

mail.csem.com
www.csem.com

Same first word

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csem.es
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Similar names

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mcse.k12.wi.us
cmes.com.sg
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mecs.at
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emsc.vn
emcs.co
scme.cn
csme.com
semc.ru
secm.us
mcse.com
csme.me
csme.cl
cmse.ie
mcse.nl
smec.net.au
cmes.store
semc.fr
ecms.ph
smec.coop
cesm.it
cems.pl
escm.vn
mecs.org.uk
smce.de
ecms.de

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns01.sierradc.comns02.sierradc.comns03.sierradc.comns1.mediatemple.netns2.mediatemple.netroxy.ns.cloudflare.comwill.ns.cloudflare.comMXcsem-com.mail.protection.outlook.comin.hes.trendmicro.commail.csem.comA38.107.156.123104.197.197.2018.224.76.232205.186.175.146
●NSns01.sierradc.com2021-10-03 → 2026-07-26 · 3 obs
○ 2017-08-19 10:24:52
● 2021-10-03 06:39:12
● 2026-07-26 01:41:16
●NSns02.sierradc.com2021-10-03 → 2026-07-26 · 3 obs
○ 2017-08-19 10:24:52
● 2021-10-03 06:39:12
● 2026-07-26 01:41:16
●NSns03.sierradc.com2021-10-03 → 2026-07-26 · 3 obs
○ 2017-08-19 10:24:52
● 2021-10-03 06:39:12
● 2026-07-26 01:41:16
○NSns1.mediatemple.net2015-06-27 → 2017-05-11 · 4 obs
● 2015-06-27 04:57:50
● 2017-05-11 14:00:06
○ 2017-08-19 10:24:52
○ 2026-07-26 01:41:16
○NSns2.mediatemple.net2015-06-27 → 2017-05-11 · 4 obs
● 2015-06-27 04:57:50
● 2017-05-11 14:00:06
○ 2017-08-19 10:24:52
○ 2026-07-26 01:41:16
○NSroxy.ns.cloudflare.com2017-08-19 → 2017-08-19 · 4 obs
○ 2017-05-11 14:00:06
● 2017-08-19 10:24:52
○ 2021-10-03 06:39:12
○ 2026-07-26 01:41:16
○NSwill.ns.cloudflare.com2017-08-19 → 2017-08-19 · 4 obs
○ 2017-05-11 14:00:06
● 2017-08-19 10:24:52
○ 2021-10-03 06:39:12
○ 2026-07-26 01:41:16
●MXcsem-com.mail.protection.outlook.com2017-05-11 → 2026-07-26 · 3 obs
○ 2016-10-13 08:09:54
● 2017-05-11 14:00:06
● 2026-07-26 01:41:16
○MXin.hes.trendmicro.com2015-10-04 → 2016-10-13 · 5 obs
○ 2015-06-27 04:57:50
● 2015-10-04 23:32:18
● 2016-10-13 08:09:54
○ 2017-05-11 14:00:06
○ 2026-07-26 01:41:16
○MXmail.csem.com2015-06-27 → 2015-06-27 · 3 obs
● 2015-06-27 04:57:50
○ 2015-10-04 23:32:18
○ 2026-07-26 01:41:16
○A104.197.197.202017-08-19 → 2017-08-19 · 4 obs
○ 2017-05-11 14:00:06
● 2017-08-19 10:24:52
○ 2021-10-03 06:39:12
○ 2026-07-26 01:41:16
○A18.224.76.2322021-10-03 → 2021-10-06 · 5 obs
○ 2017-08-19 10:24:52
● 2021-10-03 06:39:12
● 2021-10-06 02:40:10
○ 2026-02-23 02:16:18
○ 2026-07-26 01:41:16
○A205.186.175.1462015-06-27 → 2017-05-11 · 4 obs
● 2015-06-27 04:57:50
● 2017-05-11 14:00:06
○ 2017-08-19 10:24:52
○ 2026-07-26 01:41:16
●A38.107.156.1232026-02-23 → 2026-07-26 · 3 obs
○ 2021-10-06 02:40:10
● 2026-02-23 02:16:18
● 2026-07-26 01:41:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
csem.comns02.sierradc.com, ns01.sierradc.com, ns03.sierradc.com3 records

✅ Authoritative Response

Server:38.107.149.60

NS records: ns02.sierradc.com, ns01.sierradc.com, ns03.sierradc.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csem.com (unsigned zone)

⏱️ Timing

Total: 2410ms | Queries: -

📄 Records

TypeCountSample Data
A138.107.156.123
NS3ns03.sierradc.com, ns01.sierradc.com...
MX1csem-com.mail.protection.outlook.com (pr
TXT3v=spf1 ip4:138.68.53.54 ip4:38.107.149.1, MS=ms95335155...
SOA1ns01.sierradc.com hostmaster.sierrawowir

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns02.sierradc.com, ns01.sierradc.com, ns03.sierradc.com)

Analysis

Hierarchy

csem.com is the parent domain of mail.csem.com and www.csem.com.

IP Addresses

csem.com points to a single IP number: 38.107.156.123.

Name Servers

csem.com has three name servers — ns01.sierradc.com, ns02.sierradc.com and ns03.sierradc.com.

csem.com has at least partial name server overlap with other domains, such as rockmulchandmore.com, paacc.com, holbeininc.com and two others.

Each of the three hostnames points to exactly one IP address: ns01.sierradc.com points to 38.107.149.60, ns02.sierradc.com points to 38.107.149.61 and ns03.sierradc.com points to 159.63.2.72.

Mail Servers

csem.com has one mail server: csem-com.mail.protection.outlook.com.

csem-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.40.2, 52.101.41.4, 52.101.41.6 and 5 other.