devknowledgebiz.com - dns.ninja

`devknowledgebiz.com`

DNSSEC	⚠️ Not signed
NS	`ns-1139.awsdns-14.org` ⭐
		A	2600:9000:5304:7300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1139.awsdns-14.org`
		A	205.251.196.115^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1139.awsdns-14.org`
NS	`ns-1583.awsdns-05.co.uk`
		A	2600:9000:5306:2f00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1583.awsdns-05.co.uk`
		A	205.251.198.47^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1583.awsdns-05.co.uk`
NS	`ns-478.awsdns-59.com`
		A	2600:9000:5301:de00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-478.awsdns-59.com`
		A	205.251.193.222^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-478.awsdns-59.com`
NS	`ns-521.awsdns-01.net`
		A	2600:9000:5302:900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-521.awsdns-01.net`
		A	205.251.194.9^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-521.awsdns-01.net`
SOA	`ns-1139.awsdns-14.org`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782169305

Subdomains

api.devknowledgebiz.com

Same first word

devknowledgebiz.com

DNS History

8 records (4 active, 4 former)

●NSns-1139.awsdns-14.org2020-03-24 → 2026-06-22 · 2 obs

● 2020-03-24 20:17:48
● 2026-06-22 23:07:32

●NSns-1583.awsdns-05.co.uk2020-03-24 → 2026-06-22 · 2 obs

● 2020-03-24 20:17:48
● 2026-06-22 23:07:32

●NSns-478.awsdns-59.com2020-03-24 → 2026-06-22 · 2 obs

● 2020-03-24 20:17:48
● 2026-06-22 23:07:32

●NSns-521.awsdns-01.net2020-03-24 → 2026-06-22 · 2 obs

● 2020-03-24 20:17:48
● 2026-06-22 23:07:32

○A13.224.239.452020-03-24 → 2020-03-24 · 3 obs

● 2020-03-24 20:17:48
○ 2026-03-09 03:07:06
○ 2026-06-22 23:07:32

○A13.224.239.502020-03-24 → 2020-03-24 · 3 obs

● 2020-03-24 20:17:48
○ 2026-03-09 03:07:06
○ 2026-06-22 23:07:32

○A13.224.239.512020-03-24 → 2020-03-24 · 3 obs

● 2020-03-24 20:17:48
○ 2026-03-09 03:07:06
○ 2026-06-22 23:07:32

○A13.224.239.742020-03-24 → 2020-03-24 · 3 obs

● 2020-03-24 20:17:48
○ 2026-03-09 03:07:06
○ 2026-06-22 23:07:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
devknowledgebiz.com	ns-521.awsdns-01.net, ns-478.awsdns-59.com, ns-1583.awsdns-05.co.uk, ns-1139.awsdns-14.org	2 records

✅ Authoritative Response

Server:205.251.194.9

NS records: ns-521.awsdns-01.net, ns-478.awsdns-59.com, ns-1583.awsdns-05.co.uk, ns-1139.awsdns-14.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devknowledgebiz.com (unsigned zone)

⏱️ Timing

Total: 557ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1139.awsdns-14.org, ns-1583.awsdns-05.co.uk...`
SOA	1	`ns-1139.awsdns-14.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-478.awsdns-59.com, ns-478.awsdns-59.com)

Analysis

Hierarchy

devknowledgebiz.com is the parent zone for api.devknowledgebiz.com.

Name Servers

The NS records for devknowledgebiz.com point to four name servers: ns-478.awsdns-59.com, ns-521.awsdns-01.net, ns-1139.awsdns-14.org and ns-1583.awsdns-05.co.uk.

devknowledgebiz.com partially shares its NS delegation with several other domains, including mu-an.com, diyhowto.jp, rebelrocketry.com and two others.

In DNS configurations, these name servers often share authority with ns-396.awsdns-49.com, ns-701.awsdns-23.net, ns-1041.awsdns-02.org and 3 other name servers.

ns-478.awsdns-59.com, ns-521.awsdns-01.net, ns-1139.awsdns-14.org and ns-1583.awsdns-05.co.uk each carry two IP addresses. ns-478.awsdns-59.com has 205.251.193.222 and 2600:9000:5301:de00::1; ns-521.awsdns-01.net has 205.251.194.9 and 2600:9000:5302:900::1; ns-1139.awsdns-14.org has 205.251.196.115 and 2600:9000:5304:7300::1; ns-1583.awsdns-05.co.uk has 205.251.198.47 and 2600:9000:5306:2f00::1.