kbtdev.org - dns.ninja

`kbtdev.org`

DNSSEC	⚠️ Not signed
NS	`ns-558.awsdns-05.net` ⭐
		A	2600:9000:5302:2e00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-558.awsdns-05.net`
		A	205.251.194.46^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-558.awsdns-05.net`
NS	`ns-1248.awsdns-28.org`
		A	2600:9000:5304:e000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1248.awsdns-28.org`
		A	205.251.196.224^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1248.awsdns-28.org`
NS	`ns-1707.awsdns-21.co.uk`
		A	2600:9000:5306:ab00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1707.awsdns-21.co.uk`
		A	205.251.198.171^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1707.awsdns-21.co.uk`
NS	`ns-456.awsdns-57.com`
		A	2600:9000:5301:c800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-456.awsdns-57.com`
		A	205.251.193.200^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-456.awsdns-57.com`
MX	`ec2.kbtdev.org` ⭐
		A	18.208.100.104^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-208-100-104.compute-1.amazonaws.com`
SOA	`ns-558.awsdns-05.net`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783807493

Subdomains

standup.kbtdev.org

ec2.kbtdev.org

Same first word

kbtdev.org

DNS History

14 records (5 active, 9 former)

●NSns-1248.awsdns-28.org2020-03-10 → 2026-07-11 · 3 obs

○ 2017-04-10 16:49:12
● 2020-03-10 02:41:10
● 2026-07-11 22:40:48

●NSns-1707.awsdns-21.co.uk2020-03-10 → 2026-07-11 · 3 obs

○ 2017-04-10 16:49:12
● 2020-03-10 02:41:10
● 2026-07-11 22:40:48

●NSns-456.awsdns-57.com2020-03-10 → 2026-07-11 · 3 obs

○ 2017-04-10 16:49:12
● 2020-03-10 02:41:10
● 2026-07-11 22:40:48

●NSns-558.awsdns-05.net2020-03-10 → 2026-07-11 · 3 obs

○ 2017-04-10 16:49:12
● 2020-03-10 02:41:10
● 2026-07-11 22:40:48

○NSns1.dreamhost.com2015-07-22 → 2017-04-10 · 4 obs

● 2015-07-22 02:27:12
● 2017-04-10 16:49:12
○ 2020-03-10 02:41:10
○ 2026-07-11 22:40:48

○NSns2.dreamhost.com2015-07-22 → 2017-04-10 · 4 obs

● 2015-07-22 02:27:12
● 2017-04-10 16:49:12
○ 2020-03-10 02:41:10
○ 2026-07-11 22:40:48

○NSns3.dreamhost.com2015-07-22 → 2017-04-10 · 4 obs

● 2015-07-22 02:27:12
● 2017-04-10 16:49:12
○ 2020-03-10 02:41:10
○ 2026-07-11 22:40:48

●MXec2.kbtdev.org2026-03-10 → 2026-07-11 · 3 obs

○ 2020-03-10 02:41:10
● 2026-03-10 17:52:00
● 2026-07-11 22:40:48

○MXmx1.sub4.homie.mail.dreamhost.com2015-07-22 → 2016-04-04 · 4 obs

● 2015-07-22 02:27:12
● 2016-04-04 15:51:16
○ 2016-09-23 23:36:34
○ 2026-07-11 22:40:48

○MXmx1.sub5.homie.mail.dreamhost.com2016-09-23 → 2016-09-23 · 4 obs

○ 2016-04-04 15:51:16
● 2016-09-23 23:36:34
○ 2017-04-10 16:49:12
○ 2026-07-11 22:40:48

○MXmx2.sub4.homie.mail.dreamhost.com2015-07-22 → 2016-04-04 · 4 obs

● 2015-07-22 02:27:12
● 2016-04-04 15:51:16
○ 2016-09-23 23:36:34
○ 2026-07-11 22:40:48

○MXmx2.sub5.homie.mail.dreamhost.com2016-09-23 → 2016-09-23 · 4 obs

○ 2016-04-04 15:51:16
● 2016-09-23 23:36:34
○ 2017-04-10 16:49:12
○ 2026-07-11 22:40:48

○MXvade-in1.mail.dreamhost.com2017-04-10 → 2017-04-10 · 4 obs

○ 2016-09-23 23:36:34
● 2017-04-10 16:49:12
○ 2020-03-10 02:41:10
○ 2026-07-11 22:40:48

○MXvade-in2.mail.dreamhost.com2017-04-10 → 2017-04-10 · 4 obs

○ 2016-09-23 23:36:34
● 2017-04-10 16:49:12
○ 2020-03-10 02:41:10
○ 2026-07-11 22:40:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
kbtdev.org	ns-1248.awsdns-28.org, ns-456.awsdns-57.com, ns-558.awsdns-05.net, ns-1707.awsdns-21.co.uk	2 records

✅ Authoritative Response

Server:205.251.196.224

NS records: ns-1248.awsdns-28.org, ns-456.awsdns-57.com, ns-558.awsdns-05.net, ns-1707.awsdns-21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbtdev.org (unsigned zone)

⏱️ Timing

Total: 2024ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1248.awsdns-28.org, ns-1707.awsdns-21.co.uk...`
MX	1	`ec2.kbtdev.org (pri: 13)`
SOA	1	`ns-558.awsdns-05.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1248.awsdns-28.org, ns-1248.awsdns-28.org)

Analysis

Hierarchy

kbtdev.org serves as the parent of standup.kbtdev.org and ec2.kbtdev.org.

Name Servers

Four name servers handle the delegation for kbtdev.org: ns-456.awsdns-57.com, ns-558.awsdns-05.net, ns-1248.awsdns-28.org and ns-1707.awsdns-21.co.uk.

There is at least partial name server overlap between kbtdev.org and other domains — wwfdcp.org, d1ewnfo6kn8oc5.cloudfront.net, www.amazon.at and two more among them.

All four hostnames — ns-456.awsdns-57.com, ns-558.awsdns-05.net, ns-1248.awsdns-28.org and ns-1707.awsdns-21.co.uk — resolve to two IP numbers apiece: ns-456.awsdns-57.com to 205.251.193.200 and 2600:9000:5301:c800::1; ns-558.awsdns-05.net to 205.251.194.46 and 2600:9000:5302:2e00::1; ns-1248.awsdns-28.org to 205.251.196.224 and 2600:9000:5304:e000::1; ns-1707.awsdns-21.co.uk to 205.251.198.171 and 2600:9000:5306:ab00::1.

Mail Servers

kbtdev.org uses one mail server — ec2.kbtdev.org.

ec2.kbtdev.org resolves to a single IP number: 18.208.100.104.