`ultimate-math.com`

DNSSEC	⚠️ Not signed
NS	`ns-162.awsdns-20.com` ⭐
		A	2600:9000:5300:a200::1^{🇺🇸 Amazon}
			PTR	`ns-162.awsdns-20.com`
		A	205.251.192.162^{🇺🇸 Amazon}
			PTR	`ns-162.awsdns-20.com`
NS	`ns-1191.awsdns-20.org`
		A	2600:9000:5304:a700::1^{🇺🇸 Amazon}
			PTR	`ns-1191.awsdns-20.org`
		A	205.251.196.167^{🇺🇸 Amazon}
			PTR	`ns-1191.awsdns-20.org`
NS	`ns-1664.awsdns-16.co.uk`
		A	2600:9000:5306:8000::1^{🇺🇸 Amazon}
			PTR	`ns-1664.awsdns-16.co.uk`
		A	205.251.198.128^{🇺🇸 Amazon}
			PTR	`ns-1664.awsdns-16.co.uk`
NS	`ns-866.awsdns-44.net`
		A	2600:9000:5303:6200::1^{🇺🇸 Amazon}
			PTR	`ns-866.awsdns-44.net`
		A	205.251.195.98^{🇺🇸 Amazon}
			PTR	`ns-866.awsdns-44.net`
SOA	`ns-162.awsdns-20.com`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=1771291435

Up

calculation.ultimate-math.com

Same first word

ultimate-math.com

DNS History

9 records (4 active, 5 former)

●NSns-1191.awsdns-20.org2026-02-23 → 2026-02-23 · 2 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40

●NSns-162.awsdns-20.com2026-02-23 → 2026-02-23 · 2 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40

●NSns-1664.awsdns-16.co.uk2026-02-23 → 2026-02-23 · 2 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40

●NSns-866.awsdns-44.net2026-02-23 → 2026-02-23 · 2 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40

○NSns1dns.name.com2017-12-14 → 2017-12-14 · 2 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40

○NSns2jrt.name.com2017-12-14 → 2017-12-14 · 2 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40

○NSns3gmv.name.com2017-12-14 → 2017-12-14 · 2 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40

○NSns4dfh.name.com2017-12-14 → 2017-12-14 · 2 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40

○A69.64.147.2422016-12-19 → 2017-12-14 · 3 obs

● 2016-12-19 21:13:18
● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ultimate-math.com	ns-162.awsdns-20.com, ns-866.awsdns-44.net, ns-1664.awsdns-16.co.uk, ns-1191.awsdns-20.org	-

✅ Authoritative Response

Server: 205.251.198.128

NS records: ns-162.awsdns-20.com, ns-866.awsdns-44.net, ns-1664.awsdns-16.co.uk, ns-1191.awsdns-20.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ultimate-math.com (unsigned zone)

⏱️ Timing

Total: 43ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1191.awsdns-20.org, ns-162.awsdns-20.com...`
SOA	1	`ns-162.awsdns-20.com awsdns-hostmaster.a`

AI analysis

ultimate-math.com is the parent of calculation.ultimate-math.com.

ultimate-math.com is delegated to four name servers: ns-162.awsdns-20.com, ns-866.awsdns-44.net, ns-1191.awsdns-20.org and ns-1664.awsdns-16.co.uk.

ultimate-math.com at least partially shares name servers with other domains, including cp2-graphql-gateway.s.aws.economist.com, qasalesloft.com, d2z6lht805rw50.cloudfront.net, micrapp.it and raymondmutyaba.com.

These name servers are often used together with ns-307.awsdns-38.com.

Hosts with two IP numbers:

Host ns-162.awsdns-20.com points to 2600:9000:5300:a200::1 and 205.251.192.162

Host ns-866.awsdns-44.net points to 2600:9000:5303:6200::1 and 205.251.195.98

Host ns-1191.awsdns-20.org points to 2600:9000:5304:a700::1 and 205.251.196.167

Host ns-1664.awsdns-16.co.uk points to 2600:9000:5306:8000::1 and 205.251.198.128

ultimate-math.com - robtex.com