`cost-estimating.com`

	CNAME	`craftsmanbook.cloudapp.net`
	DNSSEC	⚠️ Not signed
	A	40.112.162.33^{🇺🇸 Microsoft40.112.0.0/13}

`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=1776008847

Same first word

cost-estimating.com

DNS History

5 records (3 active, 2 former)

●NSns1.dotster.com2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 11:40:38
● 2026-04-12 15:51:14

●NSns2.dotster.com2026-04-03 → 2026-04-12 · 3 obs

○ 2015-07-19 11:40:38
● 2026-04-03 03:19:18
● 2026-04-12 15:51:14

○A138.91.145.1762015-07-19 → 2015-11-19 · 4 obs

● 2015-07-19 11:40:38
● 2015-11-19 20:02:48
○ 2016-02-09 10:13:00
○ 2026-04-12 15:51:14

○A40.83.190.2382016-02-09 → 2017-02-11 · 5 obs

○ 2015-11-19 20:02:48
● 2016-02-09 10:13:00
● 2017-02-11 18:41:58
○ 2018-09-07 02:41:42
○ 2026-04-12 15:51:14

●CNAMEcraftsmanbook.cloudapp.net2015-07-19 → 2026-04-12 · 2 obs

● 2015-07-19 11:40:38
● 2026-04-12 15:51:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
cost-estimating.com	ns1.dotster.com, ns2.dotster.com	2 records

✅ Authoritative Response

Server:172.64.52.250

NS records: ns1.dotster.com, ns2.dotster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cost-estimating.com (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`craftsmanbook.cloudapp.net`
SOA	1	`ns1.dotster.com dnsadmin.dotster.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dotster.com, ns2.dotster.com)

Analysis

IP Addresses

cost-estimating.com points to IP number 40.112.162.33.

Other host names, for instance, craftsmanbook.cloudapp.net share IP numbers with cost-estimating.com.

cost-estimating.com - robtex.com