kourtz.com - robtex.com

kourtz.com

DNSSEC⚠️ Not signed
NSns-758.awsdns-30.net ⭐
A2600:9000:5302:f600::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-758.awsdns-30.net
A205.251.194.246🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-758.awsdns-30.net
NSns-1480.awsdns-57.org
A2600:9000:5305:c800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1480.awsdns-57.org
A205.251.197.200🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1480.awsdns-57.org
NSns-1558.awsdns-02.co.uk
A2600:9000:5306:1600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1558.awsdns-02.co.uk
A205.251.198.22🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1558.awsdns-02.co.uk
NSns-272.awsdns-34.com
A2600:9000:5301:1000::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-272.awsdns-34.com
A205.251.193.16🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-272.awsdns-34.com
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
SOAns-758.awsdns-30.netawsdns-hostmaster@amazon.com serial=1

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=1774646002

Same first word

kourtz.com

Similar names

ozturk.us
turkoz.com
ozkurt.com.tr
ozturk.be
turkoz.net
turkoz.com.tr
ozturk.cn
kotzur.com
ozturk.de
kortuz.ru
krutzo.com.tr
ozturk.at
ozturk.me
ozturk.fr
ozturk.email
tourkz.com
ozturk.com
turkoz.de
ozturk.nl
kotzur.org
ozturk.net
trkuoz.com
kotzur.net
ozturk.co
turkoz.com.au
kortuz.de
ozturk.ws
ozturk.pro
kotzur.com.au
orkutz.com
ozturk.eu
turkoz.org
ozturk.com.tr

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns-1480.awsdns-57.orgns-1558.awsdns-02.co.ukns-272.awsdns-34.comns-758.awsdns-30.netns1.mydyndns.orgns1153.dns.dyn.comns2138.dns.dyn.comns3159.dns.dyn.comns4151.dns.dyn.comMXinbound-smtp.us-east-1.amazonaws.commail.kourtz.comA108.171.181.118
●NSns-1480.awsdns-57.org2015-11-12 → 2026-03-27 · 3 obs
○ 2015-06-21 02:11:12
● 2015-11-12 02:45:20
● 2026-03-27 21:14:34
●NSns-1558.awsdns-02.co.uk2015-11-12 → 2026-03-27 · 3 obs
○ 2015-06-21 02:11:12
● 2015-11-12 02:45:20
● 2026-03-27 21:14:34
●NSns-272.awsdns-34.com2015-11-12 → 2026-03-27 · 3 obs
○ 2015-06-21 02:11:12
● 2015-11-12 02:45:20
● 2026-03-27 21:14:34
●NSns-758.awsdns-30.net2015-11-12 → 2026-03-27 · 3 obs
○ 2015-06-21 02:11:12
● 2015-11-12 02:45:20
● 2026-03-27 21:14:34
○NSns1.mydyndns.org2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
○NSns1153.dns.dyn.com2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
○NSns2138.dns.dyn.com2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
○NSns3159.dns.dyn.com2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
○NSns4151.dns.dyn.com2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
●MXinbound-smtp.us-east-1.amazonaws.com2026-03-25 → 2026-03-27 · 3 obs
○ 2015-11-12 02:45:20
● 2026-03-25 09:59:36
● 2026-03-27 21:14:34
○MXmail.kourtz.com2015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34
○A108.171.181.1182015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 02:11:12
○ 2015-11-12 02:45:20
○ 2026-03-27 21:14:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
kourtz.comns-272.awsdns-34.com, ns-758.awsdns-30.net, ns-1558.awsdns-02.co.uk, ns-1480.awsdns-57.org1 record

✅ Authoritative Response

Server:205.251.197.200

NS records: ns-272.awsdns-34.com, ns-758.awsdns-30.net, ns-1558.awsdns-02.co.uk, ns-1480.awsdns-57.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kourtz.com (unsigned zone)

⏱️ Timing

Total: 278ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-1480.awsdns-57.org, ns-1558.awsdns-02.co.uk...
MX1inbound-smtp.us-east-1.amazonaws.com (pr
SOA1ns-758.awsdns-30.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-272.awsdns-34.com)

Analysis

Name Servers

kourtz.com is delegated to four name servers: ns-272.awsdns-34.com, ns-758.awsdns-30.net, ns-1480.awsdns-57.org and ns-1558.awsdns-02.co.uk.

kourtz.com at least partially shares name servers with other domains, for example plooral.dev, zvomallonlinestore.com, market-square.jp, affoth.com and modtac.us.

Host names with two IP numbers:

ns-272.awsdns-34.com points to: 2600:9000:5301:1000::1 and 205.251.193.16

ns-758.awsdns-30.net points to: 2600:9000:5302:f600::1 and 205.251.194.246

ns-1480.awsdns-57.org points to: 2600:9000:5305:c800::1 and 205.251.197.200

ns-1558.awsdns-02.co.uk points to: 2600:9000:5306:1600::1 and 205.251.198.22

Mail Servers

The inbound-smtp.us-east-1.amazonaws.com mail server handles kourtz.com.

kourtz.com shares the same mail server setup as other domains, including fleethealth.io, sveafinans.slack.com, dairisyuno.org, opensourcesci.org and m-saleh.com.

kourtz.com shares at least partially some mail servers with other domains, for instance mercalivros.com.br, delvmedia.com, usenobi.com, bmdigital.atlassian.net and yunity.atlassian.net.

these mail servers are often used together with inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com and alt1.aspmx.l.google.com.

The host name inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.