courtesymaster.com - robtex.com

courtesymaster.com

DNSSEC⚠️ Not signed
A35.214.208.116🇳🇱 Google35.214.128.0/17
PTR116.208.214.35.bc.googleusercontent.com
NSns1.siteground.net ⭐
A75.2.77.104🇺🇸 Amazon75.2.64.0/20
PTRac4b097dbd0dd6307.awsglobalaccelerator.com
NSns2.siteground.net
A99.83.229.113🇺🇸 Amazon99.83.224.0/20
PTRac4b097dbd0dd6307.awsglobalaccelerator.com
MXmx10.antispam.mailspamprotection.com ⭐
A34.149.79.66🇺🇸 Google34.148.0.0/14
PTR66.79.149.34.bc.googleusercontent.com
MXmx20.antispam.mailspamprotection.com(20)
A34.120.156.61🇺🇸 Google34.120.0.0/14
PTR61.156.120.34.bc.googleusercontent.com
MXmx30.antispam.mailspamprotection.com(30)
A34.111.121.216🇺🇸 Google34.108.0.0/14
PTR216.121.111.34.bc.googleusercontent.com
TXTv=spf1 +a +mx +ip4:35.214.230.113 include:courtesymaster.com.spf.auto.dnssma...
SOAns1.siteground.netadmins@siteground.com serial=81

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=1775999647

Subdomains

mail.courtesymaster.com

DNS History

17 records (6 active, 11 former)

200920112013201520172019202120232025NSns1.siteground.netns2.siteground.netns1.yoursrs.comns2.yoursrs.comns3.firstfind.nlns4.firstfind.nlMXmx10.antispam.mailspamprotection.commx20.antispam.mailspamprotection.commx30.antispam.mailspamprotection.commail.courtesymaster.commx1.cyso.netmx2.cyso.netserver15.firstfind.nlA35.214.208.116141.138.196.144185.96.7.86217.170.3.188
●NSns1.siteground.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58
○NSns1.yoursrs.com2015-08-01 → 2017-02-13 · 4 obs
○ 2008-03-08 14:56:44
● 2015-08-01 06:59:08
● 2017-02-13 02:46:28
○ 2026-04-12 13:23:58
●NSns2.siteground.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58
○NSns2.yoursrs.com2015-08-01 → 2017-02-13 · 4 obs
○ 2008-03-08 14:56:44
● 2015-08-01 06:59:08
● 2017-02-13 02:46:28
○ 2026-04-12 13:23:58
○NSns3.firstfind.nl2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
○NSns4.firstfind.nl2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
○MXmail.courtesymaster.com2015-08-01 → 2017-02-13 · 4 obs
○ 2008-03-08 14:56:44
● 2015-08-01 06:59:08
● 2017-02-13 02:46:28
○ 2026-04-12 13:23:58
○MXmx1.cyso.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
●MXmx10.antispam.mailspamprotection.com2026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58
○MXmx2.cyso.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
●MXmx20.antispam.mailspamprotection.com2026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58
●MXmx30.antispam.mailspamprotection.com2026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58
○MXserver15.firstfind.nl2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
○A141.138.196.1442015-08-01 → 2015-08-01 · 4 obs
○ 2008-03-08 14:56:44
● 2015-08-01 06:59:08
○ 2015-11-27 19:00:46
○ 2026-04-12 13:23:58
○A185.96.7.862015-11-27 → 2017-02-13 · 4 obs
○ 2015-08-01 06:59:08
● 2015-11-27 19:00:46
● 2017-02-13 02:46:28
○ 2026-04-12 13:23:58
○A217.170.3.1882008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 14:56:44
○ 2015-08-01 06:59:08
○ 2026-04-12 13:23:58
●A35.214.208.1162026-04-12 → 2026-04-12 · 2 obs
○ 2017-02-13 02:46:28
● 2026-04-12 13:23:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...-
courtesymaster.comns1.siteground.net, ns2.siteground.net-

✅ Authoritative Response

Server:75.2.77.104

NS records: ns1.siteground.net, ns2.siteground.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courtesymaster.com (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

TypeCountSample Data
A135.214.208.116
NS2ns2.siteground.net, ns1.siteground.net
MX3mx30.antispam.mailspamprotection.com (pr, mx10.antispam.mailspamprotection.com (pr...
TXT1v=spf1 +a +mx +ip4:35.214.230.113 inclu
SOA1ns1.siteground.net admins.siteground.com

Analysis

Hierarchy

courtesymaster.com is a parent of mail.courtesymaster.com.

IP Addresses

courtesymaster.com points to a single IP address: 35.214.208.116.

Other host names such as marstrandevent.com, salentoinblu.com, www.centroclinicosanvitaliano.it, misstranscalabria.it and tefltrainer.com share IP numbers with courtesymaster.com.

Name Servers

courtesymaster.com is delegated to two name servers: ns1.siteground.net and ns2.siteground.net.

courtesymaster.com uses the same name server setup as other domains, including soundcenterstudio.com, averylimousineglobal.com, caam.es, pinewoodsouth.com and aboutbullion.com.

At least part of the name servers for courtesymaster.com are shared with other domains, for instance laimages.net, thetaylorfuneralhome.com, bertolo.it, keeptijuanatasty.com and usdatacorporation.com.

Hostnames with a single IP

ns1.siteground.net resolves to: 75.2.77.104.

ns2.siteground.net resolves to: 99.83.229.113.

Mail Servers

Three mail servers handle courtesymaster.com: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.

courtesymaster.com shares at least some mail servers with other domains, for example mokumaleph.eu, elrourell.com, reservasdeguatemala.org, caminodelasamericas.com and gulfif.com.

Host names with a single IP:

mx10.antispam.mailspamprotection.com points to: 34.149.79.66

mx20.antispam.mailspamprotection.com points to: 34.120.156.61

mx30.antispam.mailspamprotection.com points to: 34.111.121.216