ultimate-math.com - dns.ninja

`ultimate-math.com`

DNSSEC	⚠️ Not signed
A	13.226.209.75^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-75.iad61.r.cloudfront.net`
A	13.226.209.99^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.112^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.122^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
NS	`ns-162.awsdns-20.com` ⭐
		A	2600:9000:5300:a200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-162.awsdns-20.com`
		A	205.251.192.162^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-162.awsdns-20.com`
NS	`ns-1191.awsdns-20.org`
		A	2600:9000:5304:a700::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1191.awsdns-20.org`
		A	205.251.196.167^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1191.awsdns-20.org`
NS	`ns-1664.awsdns-16.co.uk`
		A	2600:9000:5306:8000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1664.awsdns-16.co.uk`
		A	205.251.198.128^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1664.awsdns-16.co.uk`
NS	`ns-866.awsdns-44.net`
		A	2600:9000:5303:6200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-866.awsdns-44.net`
		A	205.251.195.98^{🇺🇸 Amazon205.251.195.0/24 prefix}
			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=1781914810

Subdomains

calculation.ultimate-math.com

Same first word

ultimate-math.com

DNS History

25 records (8 active, 17 former)

●NSns-1191.awsdns-20.org2026-02-23 → 2026-06-20 · 3 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40
● 2026-06-20 00:36:18

●NSns-162.awsdns-20.com2026-02-23 → 2026-06-20 · 3 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40
● 2026-06-20 00:36:18

●NSns-1664.awsdns-16.co.uk2026-02-23 → 2026-06-20 · 3 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40
● 2026-06-20 00:36:18

●NSns-866.awsdns-44.net2026-02-23 → 2026-06-20 · 3 obs

○ 2017-12-14 17:35:16
● 2026-02-23 15:08:40
● 2026-06-20 00:36:18

○NSns1dns.name.com2017-12-14 → 2017-12-14 · 3 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40
○ 2026-06-20 00:36:18

○NSns2jrt.name.com2017-12-14 → 2017-12-14 · 3 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40
○ 2026-06-20 00:36:18

○NSns3gmv.name.com2017-12-14 → 2017-12-14 · 3 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40
○ 2026-06-20 00:36:18

○NSns4dfh.name.com2017-12-14 → 2017-12-14 · 3 obs

● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40
○ 2026-06-20 00:36:18

○A108.157.173.1122026-06-13 → 2026-06-17 · 8 obs

○ 2026-05-12 05:09:08
● 2026-06-13 22:28:54
● 2026-06-14 02:43:58
○ 2026-06-14 06:48:14
○ 2026-06-17 07:13:18
● 2026-06-17 10:04:36
○ 2026-06-17 11:59:40
○ 2026-06-20 00:36:18

○A108.157.173.1262026-06-13 → 2026-06-17 · 8 obs

○ 2026-05-12 05:09:08
● 2026-06-13 22:28:54
● 2026-06-14 02:43:58
○ 2026-06-14 06:48:14
○ 2026-06-17 07:13:18
● 2026-06-17 10:04:36
○ 2026-06-17 11:59:40
○ 2026-06-20 00:36:18

○A108.157.173.332026-06-13 → 2026-06-17 · 8 obs

○ 2026-05-12 05:09:08
● 2026-06-13 22:28:54
● 2026-06-14 02:43:58
○ 2026-06-14 06:48:14
○ 2026-06-17 07:13:18
● 2026-06-17 10:04:36
○ 2026-06-17 11:59:40
○ 2026-06-20 00:36:18

○A108.157.173.412026-06-13 → 2026-06-17 · 8 obs

○ 2026-05-12 05:09:08
● 2026-06-13 22:28:54
● 2026-06-14 02:43:58
○ 2026-06-14 06:48:14
○ 2026-06-17 07:13:18
● 2026-06-17 10:04:36
○ 2026-06-17 11:59:40
○ 2026-06-20 00:36:18

○A13.192.140.2402026-04-16 → 2026-04-16 · 4 obs

○ 2026-02-23 15:08:40
● 2026-04-16 02:49:02
○ 2026-05-11 10:43:10
○ 2026-06-20 00:36:18

○A13.226.144.222026-06-15 → 2026-06-19 · 24 obs

○ 2026-06-14 06:48:14
● 2026-06-15 03:09:56
○ 2026-06-15 07:14:36
● 2026-06-15 07:47:16
○ 2026-06-15 08:28:52
● 2026-06-15 09:25:54
● 2026-06-15 15:12:18
○ 2026-06-15 16:12:50
● 2026-06-15 22:47:10
● 2026-06-16 15:35:04
○ 2026-06-16 21:52:42
● 2026-06-17 01:31:24
○ 2026-06-17 06:43:12
○ 2026-06-17 10:04:36
● 2026-06-17 11:59:40
● 2026-06-18 08:53:50
○ 2026-06-18 11:58:38
● 2026-06-18 16:55:28
○ 2026-06-19 09:26:46
● 2026-06-19 10:42:10
○ 2026-06-19 12:20:40
● 2026-06-19 13:03:54
○ 2026-06-20 00:36:14
○ 2026-06-20 00:36:18

○A13.226.144.62026-06-15 → 2026-06-19 · 24 obs

○A13.226.144.972026-06-15 → 2026-06-19 · 24 obs

○A13.226.144.982026-06-15 → 2026-06-19 · 24 obs

●A13.226.209.1122026-06-14 → 2026-06-20 · 25 obs

○ 2026-06-14 02:43:58
● 2026-06-14 06:48:14
○ 2026-06-15 03:09:56
● 2026-06-15 07:14:36
○ 2026-06-15 07:47:16
● 2026-06-15 08:28:52
○ 2026-06-15 09:25:54
○ 2026-06-15 15:12:18
● 2026-06-15 16:12:50
○ 2026-06-15 22:47:10
○ 2026-06-16 15:35:04
● 2026-06-16 21:52:42
○ 2026-06-17 01:31:24
○ 2026-06-17 06:43:12
● 2026-06-17 07:13:18
○ 2026-06-17 10:04:36
○ 2026-06-18 08:53:50
● 2026-06-18 11:58:38
○ 2026-06-18 16:55:28
● 2026-06-19 09:26:46
○ 2026-06-19 10:42:10
● 2026-06-19 12:20:40
○ 2026-06-19 13:03:54
● 2026-06-20 00:36:14
● 2026-06-20 00:36:18

●A13.226.209.1222026-06-14 → 2026-06-20 · 25 obs

●A13.226.209.752026-06-14 → 2026-06-20 · 25 obs

●A13.226.209.992026-06-14 → 2026-06-20 · 25 obs

○A18.176.223.1602026-05-11 → 2026-05-12 · 5 obs

○ 2026-04-16 02:49:02
● 2026-05-11 10:43:10
● 2026-05-12 05:09:08
○ 2026-06-13 22:28:54
○ 2026-06-20 00:36:18

○A52.192.58.2182026-05-11 → 2026-05-12 · 5 obs

○ 2026-04-16 02:49:02
● 2026-05-11 10:43:10
● 2026-05-12 05:09:08
○ 2026-06-13 22:28:54
○ 2026-06-20 00:36:18

○A52.69.159.712026-04-16 → 2026-04-16 · 4 obs

○ 2026-02-23 15:08:40
● 2026-04-16 02:49:02
○ 2026-05-11 10:43:10
○ 2026-06-20 00:36:18

○A69.64.147.2422016-12-19 → 2017-12-14 · 4 obs

● 2016-12-19 21:13:18
● 2017-12-14 17:35:16
○ 2026-02-23 15:08:40
○ 2026-06-20 00:36:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
ultimate-math.com	ns-162.awsdns-20.com, ns-866.awsdns-44.net, ns-1664.awsdns-16.co.uk, ns-1191.awsdns-20.org	2 records

✅ Authoritative Response

Server:205.251.196.167

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: 328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.99, 13.226.209.112...`
NS	4	`ns-1191.awsdns-20.org, ns-162.awsdns-20.com...`
SOA	1	`ns-162.awsdns-20.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-162.awsdns-20.com, ns-162.awsdns-20.com)

Analysis

Hierarchy

calculation.ultimate-math.com is a subdomain of ultimate-math.com.

IP Addresses

ultimate-math.com directs to four IP numbers, which are 13.226.209.75, 13.226.209.99, 13.226.209.112 and 13.226.209.122.

Name Servers

The domain ultimate-math.com is delegated to these 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.

The name servers of ultimate-math.com overlap at least partially with those of other domains — among them cp2-graphql-gateway.s.aws.economist.com, qasalesloft.com, lhjmarketing.com and two more.

The name servers ns-407.awsdns-50.com, ns-1281.awsdns-32.org and ns-2001.awsdns-58.co.uk are commonly seen alongside these name servers.

Each of the four hosts ns-162.awsdns-20.com, ns-866.awsdns-44.net, ns-1191.awsdns-20.org and ns-1664.awsdns-16.co.uk has two IP addresses. ns-162.awsdns-20.com points to 205.251.192.162 and 2600:9000:5300:a200::1. ns-866.awsdns-44.net points to 205.251.195.98 and 2600:9000:5303:6200::1. ns-1191.awsdns-20.org points to 205.251.196.167 and 2600:9000:5304:a700::1. ns-1664.awsdns-16.co.uk points to 205.251.198.128 and 2600:9000:5306:8000::1.