`jeffclarktraining.com`

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-1484.awsdns-57.org`
		A	2600:9000:5305:cc00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1484.awsdns-57.org`
		A	205.251.197.204^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1484.awsdns-57.org`
NS	`ns-1775.awsdns-29.co.uk`
		A	2600:9000:5306:ef00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1775.awsdns-29.co.uk`
		A	205.251.198.239^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1775.awsdns-29.co.uk`
NS	`ns-288.awsdns-36.com`
		A	2600:9000:5301:2000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-288.awsdns-36.com`
		A	205.251.193.32^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-288.awsdns-36.com`
SOA	`ns-558.awsdns-05.net`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=1776277597

Same first word

jeffclarktraining.com

DNS History

7 records (4 active, 3 former)

●NSns-1484.awsdns-57.org2018-05-14 → 2026-04-15 · 2 obs

● 2018-05-14 21:46:22
● 2026-04-15 18:55:34

●NSns-1775.awsdns-29.co.uk2018-05-14 → 2026-04-15 · 2 obs

● 2018-05-14 21:46:22
● 2026-04-15 18:55:34

●NSns-288.awsdns-36.com2018-05-14 → 2026-04-15 · 2 obs

● 2018-05-14 21:46:22
● 2026-04-15 18:55:34

●NSns-558.awsdns-05.net2018-05-14 → 2026-04-15 · 2 obs

● 2018-05-14 21:46:22
● 2026-04-15 18:55:34

○A107.23.246.2542018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 21:46:22
○ 2026-03-27 18:41:26
○ 2026-04-15 18:55:34

○A52.2.106.1842018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 21:46:22
○ 2026-03-27 18:41:26
○ 2026-04-15 18:55:34

○A54.210.236.1272018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 21:46:22
○ 2026-03-27 18:41:26
○ 2026-04-15 18:55:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jeffclarktraining.com	ns-558.awsdns-05.net, ns-288.awsdns-36.com, ns-1775.awsdns-29.co.uk, ns-1484.awsdns-57.org	1 record

✅ Authoritative Response

Server:205.251.198.239

NS records: ns-558.awsdns-05.net, ns-288.awsdns-36.com, ns-1775.awsdns-29.co.uk, ns-1484.awsdns-57.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jeffclarktraining.com (unsigned zone)

⏱️ Timing

Total: 219ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1484.awsdns-57.org, ns-1775.awsdns-29.co.uk...`
SOA	1	`ns-558.awsdns-05.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-288.awsdns-36.com)

Analysis

Name Servers

jeffclarktraining.com is delegated to four name servers: ns-288.awsdns-36.com, ns-558.awsdns-05.net, ns-1484.awsdns-57.org and ns-1775.awsdns-29.co.uk.

jeffclarktraining.com at least partially shares name servers with other domains, for instance fam.fubo.tv, prod.metrics.imdb.com, sm8787.com, nnimchat.com and medcollection.com.

Host names with two IP numbers: ns-288.awsdns-36.com points to 2600:9000:5301:2000::1 and 205.251.193.32; ns-558.awsdns-05.net points to 2600:9000:5302:2e00::1 and 205.251.194.46; ns-1484.awsdns-57.org points to 2600:9000:5305:cc00::1 and 205.251.197.204; ns-1775.awsdns-29.co.uk points to 2600:9000:5306:ef00::1 and 205.251.198.239.

jeffclarktraining.com - robtex.com