costeffectiveness-models.com - dns.ninja

`costeffectiveness-models.com`

DNSSEC	⚠️ Not signed
NS	`ns-1701.awsdns-20.co.uk` ⭐
		A	2600:9000:5306:a500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1701.awsdns-20.co.uk`
		A	205.251.198.165^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1701.awsdns-20.co.uk`
NS	`ns-1404.awsdns-47.org`
		A	2600:9000:5305:7c00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1404.awsdns-47.org`
		A	205.251.197.124^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1404.awsdns-47.org`
NS	`ns-8.awsdns-01.com`
		A	2600:9000:5300:800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-8.awsdns-01.com`
		A	205.251.192.8^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-8.awsdns-01.com`
NS	`ns-844.awsdns-41.net`
		A	2600:9000:5303:4c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-844.awsdns-41.net`
		A	205.251.195.76^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-844.awsdns-41.net`
SOA	`ns-1701.awsdns-20.co.uk`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=1786446844

Same first word

costeffectiveness-models.com

DNS History

13 records (4 active, 9 former)

●NSns-1404.awsdns-47.org2026-05-24 → 2026-08-11 · 3 obs

○ 2018-06-21 15:42:06
● 2026-05-24 22:12:00
● 2026-08-11 11:40:34

●NSns-1701.awsdns-20.co.uk2026-05-24 → 2026-08-11 · 3 obs

○ 2018-06-21 15:42:06
● 2026-05-24 22:12:00
● 2026-08-11 11:40:34

●NSns-8.awsdns-01.com2026-05-24 → 2026-08-11 · 3 obs

○ 2018-06-21 15:42:06
● 2026-05-24 22:12:00
● 2026-08-11 11:40:34

●NSns-844.awsdns-41.net2026-05-24 → 2026-08-11 · 3 obs

○ 2018-06-21 15:42:06
● 2026-05-24 22:12:00
● 2026-08-11 11:40:34

○NSns.ukservers.net2015-07-04 → 2017-01-30 · 4 obs

● 2015-07-04 08:21:18
● 2017-01-30 07:04:26
○ 2018-06-21 15:42:06
○ 2026-08-11 11:40:34

○NSns0.phase8.net2018-06-21 → 2018-06-21 · 4 obs

○ 2017-01-30 07:04:26
● 2018-06-21 15:42:06
○ 2026-05-24 22:12:00
○ 2026-08-11 11:40:34

○NSns1.phase8.net2018-06-21 → 2018-06-21 · 4 obs

○ 2017-01-30 07:04:26
● 2018-06-21 15:42:06
○ 2026-05-24 22:12:00
○ 2026-08-11 11:40:34

○NSns1.ukservers.net2015-07-04 → 2017-01-30 · 4 obs

● 2015-07-04 08:21:18
● 2017-01-30 07:04:26
○ 2018-06-21 15:42:06
○ 2026-08-11 11:40:34

○NSns2.phase8.net2018-06-21 → 2018-06-21 · 4 obs

○ 2017-01-30 07:04:26
● 2018-06-21 15:42:06
○ 2026-05-24 22:12:00
○ 2026-08-11 11:40:34

○NSns3.ukservers.net2015-07-04 → 2017-01-30 · 4 obs

● 2015-07-04 08:21:18
● 2017-01-30 07:04:26
○ 2018-06-21 15:42:06
○ 2026-08-11 11:40:34

○MXmx1.ukservers.net2015-07-04 → 2018-06-21 · 4 obs

● 2015-07-04 08:21:18
● 2018-06-21 15:42:06
○ 2026-05-24 22:12:00
○ 2026-08-11 11:40:34

○A217.10.138.2172015-07-04 → 2017-01-30 · 4 obs

● 2015-07-04 08:21:18
● 2017-01-30 07:04:26
○ 2018-06-21 15:42:06
○ 2026-08-11 11:40:34

○A85.233.160.222018-06-21 → 2018-06-21 · 4 obs

○ 2017-01-30 07:04:26
● 2018-06-21 15:42:06
○ 2026-05-24 22:12:00
○ 2026-08-11 11:40:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
costeffectiveness-models.com	ns-8.awsdns-01.com, ns-844.awsdns-41.net, ns-1701.awsdns-20.co.uk, ns-1404.awsdns-47.org	2 records

✅ Authoritative Response

Server:205.251.197.124

NS records: ns-8.awsdns-01.com, ns-844.awsdns-41.net, ns-1701.awsdns-20.co.uk, ns-1404.awsdns-47.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costeffectiveness-models.com (unsigned zone)

⏱️ Timing

Total: 1214ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1404.awsdns-47.org, ns-1701.awsdns-20.co.uk...`
SOA	1	`ns-1701.awsdns-20.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-8.awsdns-01.com, ns-8.awsdns-01.com)

Analysis

Name Servers

Four name servers handle the delegation for costeffectiveness-models.com: ns-8.awsdns-01.com, ns-844.awsdns-41.net, ns-1404.awsdns-47.org and ns-1701.awsdns-20.co.uk.

The name servers of costeffectiveness-models.com overlap at least partially with those of other domains — among them meettallie.com, bluewolf777.com, carlsonfh.com and two more.

These name servers commonly appear in delegations together with ns3.vortala.com, ns4.vortala.com, ns5.vortala.com and 4 other.

Each of the four hosts ns-8.awsdns-01.com, ns-844.awsdns-41.net, ns-1404.awsdns-47.org and ns-1701.awsdns-20.co.uk has two IP addresses. ns-8.awsdns-01.com points to 205.251.192.8 and 2600:9000:5300:800::1. ns-844.awsdns-41.net points to 205.251.195.76 and 2600:9000:5303:4c00::1. ns-1404.awsdns-47.org points to 205.251.197.124 and 2600:9000:5305:7c00::1. ns-1701.awsdns-20.co.uk points to 205.251.198.165 and 2600:9000:5306:a500::1.