`rtxdecisionsupporttools.com`

DNSSEC	⚠️ Not signed
A	3.166.152.3^{🇺🇸 Amazon3.166.152.0/23}
		PTR	`server-3-166-152-3.mia50.r.cloudfront.net`
A	3.166.152.30^{🇺🇸 Amazon3.166.152.0/23}
A	3.166.152.106^{🇺🇸 Amazon3.166.152.0/23}
A	3.166.152.128^{🇺🇸 Amazon3.166.152.0/23}
NS	`ns-435.awsdns-54.com` ⭐
		A	2600:9000:5301:b300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-435.awsdns-54.com`
		A	205.251.193.179^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-435.awsdns-54.com`
NS	`ns-1181.awsdns-19.org`
		A	2600:9000:5304:9d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1181.awsdns-19.org`
		A	205.251.196.157^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1181.awsdns-19.org`
NS	`ns-1814.awsdns-34.co.uk`
		A	2600:9000:5307:1600::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1814.awsdns-34.co.uk`
		A	205.251.199.22^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1814.awsdns-34.co.uk`
NS	`ns-751.awsdns-29.net`
		A	2600:9000:5302:ef00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-751.awsdns-29.net`
		A	205.251.194.239^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-751.awsdns-29.net`
TXT	`v=spf1 -all`
SOA	`ns-435.awsdns-54.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=1780886646

Same first word

rtxdecisionsupporttools.com

DNS History

28 records (8 active, 20 former)

●NSns-1181.awsdns-19.org2026-05-27 → 2026-06-08 · 2 obs

● 2026-05-27 19:33:48
● 2026-06-08 03:07:10

●NSns-1814.awsdns-34.co.uk2026-05-27 → 2026-06-08 · 2 obs

● 2026-05-27 19:33:48
● 2026-06-08 03:07:10

●NSns-435.awsdns-54.com2026-05-27 → 2026-06-08 · 2 obs

● 2026-05-27 19:33:48
● 2026-06-08 03:07:10

●NSns-751.awsdns-29.net2026-05-27 → 2026-06-08 · 2 obs

● 2026-05-27 19:33:48
● 2026-06-08 03:07:10

○A13.33.235.52026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 19:14:48
● 2026-06-02 23:49:54
○ 2026-06-03 01:22:38
○ 2026-06-08 03:07:10

○A13.33.235.812026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 19:14:48
● 2026-06-02 23:49:54
○ 2026-06-03 01:22:38
○ 2026-06-08 03:07:10

○A13.33.235.832026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 19:14:48
● 2026-06-02 23:49:54
○ 2026-06-03 01:22:38
○ 2026-06-08 03:07:10

○A13.33.235.852026-06-02 → 2026-06-02 · 4 obs

○ 2026-06-01 19:14:48
● 2026-06-02 23:49:54
○ 2026-06-03 01:22:38
○ 2026-06-08 03:07:10

○A13.35.20.1182026-05-28 → 2026-06-05 · 22 obs

○ 2026-05-27 21:00:14
● 2026-05-28 15:36:04
● 2026-05-28 16:46:06
○ 2026-05-28 17:36:26
○ 2026-05-30 11:52:26
● 2026-05-30 18:01:32
○ 2026-05-30 19:07:26
○ 2026-06-01 08:19:40
● 2026-06-01 10:20:58
○ 2026-06-01 19:14:48
○ 2026-06-02 23:49:54
● 2026-06-03 01:22:38
○ 2026-06-03 10:04:44
○ 2026-06-04 19:03:00
● 2026-06-04 20:09:46
○ 2026-06-05 00:09:12
● 2026-06-05 00:52:58
○ 2026-06-05 03:50:34
○ 2026-06-05 05:09:00
● 2026-06-05 14:03:14
○ 2026-06-05 17:02:30
○ 2026-06-08 03:07:10

○A13.35.20.1242026-05-28 → 2026-06-05 · 22 obs

○A13.35.20.62026-05-28 → 2026-06-05 · 22 obs

○A13.35.20.92026-05-28 → 2026-06-05 · 22 obs

○A18.155.107.1282026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 16:14:32
● 2026-05-29 17:51:26
● 2026-05-29 19:11:58
○ 2026-05-29 21:01:00
○ 2026-06-08 03:07:10

○A18.155.107.262026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 16:14:32
● 2026-05-29 17:51:26
● 2026-05-29 19:11:58
○ 2026-05-29 21:01:00
○ 2026-06-08 03:07:10

○A18.155.107.42026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 16:14:32
● 2026-05-29 17:51:26
● 2026-05-29 19:11:58
○ 2026-05-29 21:01:00
○ 2026-06-08 03:07:10

○A18.155.107.702026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 16:14:32
● 2026-05-29 17:51:26
● 2026-05-29 19:11:58
○ 2026-05-29 21:01:00
○ 2026-06-08 03:07:10

○A3.162.163.132026-05-27 → 2026-06-08 · 30 obs

○ 2026-05-27 19:33:48
● 2026-05-27 21:00:14
○ 2026-05-28 15:36:04
○ 2026-05-28 16:46:06
● 2026-05-28 17:36:26
○ 2026-05-29 16:14:32
○ 2026-05-30 01:59:14
● 2026-05-30 03:25:34
○ 2026-05-30 11:52:26
○ 2026-05-30 18:01:32
● 2026-05-30 19:07:26
○ 2026-05-31 15:44:56
○ 2026-06-01 10:20:58
● 2026-06-01 19:14:48
○ 2026-06-02 23:49:54
○ 2026-06-03 01:22:38
● 2026-06-03 10:04:44
○ 2026-06-04 19:03:00
○ 2026-06-04 20:09:46
● 2026-06-05 00:09:12
○ 2026-06-05 00:52:58
● 2026-06-05 03:50:34
○ 2026-06-05 05:09:00
○ 2026-06-05 17:02:30
● 2026-06-06 07:36:48
○ 2026-06-06 23:29:00
○ 2026-06-07 21:51:08
● 2026-06-08 01:31:38
○ 2026-06-08 03:07:06
○ 2026-06-08 03:07:10

○A3.162.163.232026-05-27 → 2026-06-08 · 30 obs

○A3.162.163.642026-05-27 → 2026-06-08 · 30 obs

○A3.162.163.732026-05-27 → 2026-06-08 · 30 obs

●A3.166.152.1062026-05-27 → 2026-06-08 · 28 obs

● 2026-05-27 19:33:48
○ 2026-05-27 21:00:14
○ 2026-05-28 17:36:26
● 2026-05-29 16:14:32
○ 2026-05-29 17:51:26
○ 2026-05-29 19:11:58
● 2026-05-29 21:01:00
○ 2026-05-30 01:59:14
○ 2026-05-30 03:25:34
● 2026-05-30 11:52:26
○ 2026-05-30 18:01:32
○ 2026-05-30 19:07:26
● 2026-05-31 15:44:56
● 2026-06-01 08:19:40
○ 2026-06-01 10:20:58
○ 2026-06-03 10:04:44
● 2026-06-04 19:03:00
○ 2026-06-04 20:09:46
○ 2026-06-05 03:50:34
● 2026-06-05 05:09:00
○ 2026-06-05 14:03:14
● 2026-06-05 17:02:30
○ 2026-06-06 07:36:48
● 2026-06-06 23:29:00
● 2026-06-07 21:51:08
○ 2026-06-08 01:31:38
● 2026-06-08 03:07:06
● 2026-06-08 03:07:10

●A3.166.152.1282026-05-27 → 2026-06-08 · 28 obs

●A3.166.152.32026-05-27 → 2026-06-08 · 28 obs

●A3.166.152.302026-05-27 → 2026-06-08 · 28 obs

○A99.86.20.1022026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 21:01:00
● 2026-05-30 01:59:14
○ 2026-05-30 03:25:34
○ 2026-06-08 03:07:10

○A99.86.20.1182026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 21:01:00
● 2026-05-30 01:59:14
○ 2026-05-30 03:25:34
○ 2026-06-08 03:07:10

○A99.86.20.312026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 21:01:00
● 2026-05-30 01:59:14
○ 2026-05-30 03:25:34
○ 2026-06-08 03:07:10

○A99.86.20.962026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-29 21:01:00
● 2026-05-30 01:59:14
○ 2026-05-30 03:25:34
○ 2026-06-08 03:07:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
rtxdecisionsupporttools.com	ns-751.awsdns-29.net, ns-435.awsdns-54.com, ns-1181.awsdns-19.org, ns-1814.awsdns-34.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.239

NS records: ns-751.awsdns-29.net, ns-435.awsdns-54.com, ns-1181.awsdns-19.org, ns-1814.awsdns-34.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtxdecisionsupporttools.com (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.166.152.3, 3.166.152.30...`
NS	4	`ns-1181.awsdns-19.org, ns-1814.awsdns-34.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-435.awsdns-54.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-435.awsdns-54.com, ns-435.awsdns-54.com)

Analysis

IP Addresses

rtxdecisionsupporttools.com points to 4 IP addresses — 3.166.152.3, 3.166.152.30, 3.166.152.106 and 3.166.152.128.

anticancerfund1.koalect.com, www.ashfield.com, d1qg34sde94ozf.cloudfront.net plus two other host names have IP numbers in common with rtxdecisionsupporttools.com.

Name Servers

The DNS delegation for rtxdecisionsupporttools.com covers 4 name servers — ns-435.awsdns-54.com, ns-751.awsdns-29.net, ns-1181.awsdns-19.org and ns-1814.awsdns-34.co.uk.

rtxdecisionsupporttools.com has at least partial name server overlap with other domains, such as hotelgranados83.com, d35rumesbuk26j.cloudfront.net, d2d7h7ob81r00y.cloudfront.net and two others.

These name servers tend to appear together with the name servers ns-376.awsdns-47.com, ns-1291.awsdns-33.org and ns-1833.awsdns-37.co.uk.

ns-435.awsdns-54.com, ns-751.awsdns-29.net, ns-1181.awsdns-19.org and ns-1814.awsdns-34.co.uk all point to exactly two IP numbers each: ns-435.awsdns-54.com → 205.251.193.179 and 2600:9000:5301:b300::1; ns-751.awsdns-29.net → 205.251.194.239 and 2600:9000:5302:ef00::1; ns-1181.awsdns-19.org → 205.251.196.157 and 2600:9000:5304:9d00::1; ns-1814.awsdns-34.co.uk → 205.251.199.22 and 2600:9000:5307:1600::1.

rtxdecisionsupporttools.com - robtex.com