`blutools.io`

DNSSEC	⚠️ Not signed
A	18.161.34.79^{🇺🇸 Amazon18.161.32.0/21}
A	18.161.34.89^{🇺🇸 Amazon18.161.32.0/21}
A	18.161.34.106^{Amazon18.161.32.0/21}
A	18.161.34.128^{🇺🇸 Amazon18.161.32.0/21}
NS	`ns-1699.awsdns-20.co.uk` ⭐
		A	2600:9000:5306:a300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1699.awsdns-20.co.uk`
		A	205.251.198.163^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1699.awsdns-20.co.uk`
NS	`ns-1222.awsdns-24.org`
		A	2600:9000:5304:c600::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1222.awsdns-24.org`
		A	205.251.196.198^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1222.awsdns-24.org`
NS	`ns-73.awsdns-09.com`
		A	2600:9000:5300:4900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-73.awsdns-09.com`
		A	205.251.192.73^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-73.awsdns-09.com`
NS	`ns-959.awsdns-55.net`
		A	2600:9000:5303:bf00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-959.awsdns-55.net`
		A	205.251.195.191^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-959.awsdns-55.net`
SOA	`ns-1699.awsdns-20.co.uk`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1778402238

🔒 HSTS Preload (+subdomains)

Same first word

blutools.io

DNS History

16 records (8 active, 8 former)

●NSns-1222.awsdns-24.org2026-05-07 → 2026-05-10 · 2 obs

● 2026-05-07 20:01:06
● 2026-05-10 08:55:36

●NSns-1699.awsdns-20.co.uk2026-05-07 → 2026-05-10 · 2 obs

● 2026-05-07 20:01:06
● 2026-05-10 08:55:36

●NSns-73.awsdns-09.com2026-05-07 → 2026-05-10 · 2 obs

● 2026-05-07 20:01:06
● 2026-05-10 08:55:36

●NSns-959.awsdns-55.net2026-05-07 → 2026-05-10 · 2 obs

● 2026-05-07 20:01:06
● 2026-05-10 08:55:36

●A18.161.34.1062026-05-09 → 2026-05-10 · 5 obs

○ 2026-05-09 10:16:32
● 2026-05-09 18:43:04
○ 2026-05-10 02:00:24
● 2026-05-10 08:55:34
● 2026-05-10 08:55:36

●A18.161.34.1282026-05-09 → 2026-05-10 · 5 obs

○ 2026-05-09 10:16:32
● 2026-05-09 18:43:04
○ 2026-05-10 02:00:24
● 2026-05-10 08:55:34
● 2026-05-10 08:55:36

●A18.161.34.792026-05-09 → 2026-05-10 · 5 obs

○ 2026-05-09 10:16:32
● 2026-05-09 18:43:04
○ 2026-05-10 02:00:24
● 2026-05-10 08:55:34
● 2026-05-10 08:55:36

●A18.161.34.892026-05-09 → 2026-05-10 · 5 obs

○ 2026-05-09 10:16:32
● 2026-05-09 18:43:04
○ 2026-05-10 02:00:24
● 2026-05-10 08:55:34
● 2026-05-10 08:55:36

○A18.67.145.1282026-05-07 → 2026-05-07 · 3 obs

● 2026-05-07 20:01:06
○ 2026-05-07 21:21:36
○ 2026-05-10 08:55:36

○A18.67.145.292026-05-07 → 2026-05-07 · 3 obs

● 2026-05-07 20:01:06
○ 2026-05-07 21:21:36
○ 2026-05-10 08:55:36

○A18.67.145.462026-05-07 → 2026-05-07 · 3 obs

● 2026-05-07 20:01:06
○ 2026-05-07 21:21:36
○ 2026-05-10 08:55:36

○A18.67.145.802026-05-07 → 2026-05-07 · 3 obs

● 2026-05-07 20:01:06
○ 2026-05-07 21:21:36
○ 2026-05-10 08:55:36

○A52.84.118.1252026-05-07 → 2026-05-10 · 7 obs

○ 2026-05-07 20:01:06
● 2026-05-07 21:21:36
● 2026-05-09 10:16:32
○ 2026-05-09 18:43:04
● 2026-05-10 02:00:24
○ 2026-05-10 08:55:34
○ 2026-05-10 08:55:36

○A52.84.118.482026-05-07 → 2026-05-10 · 7 obs

○ 2026-05-07 20:01:06
● 2026-05-07 21:21:36
● 2026-05-09 10:16:32
○ 2026-05-09 18:43:04
● 2026-05-10 02:00:24
○ 2026-05-10 08:55:34
○ 2026-05-10 08:55:36

○A52.84.118.702026-05-07 → 2026-05-10 · 7 obs

○ 2026-05-07 20:01:06
● 2026-05-07 21:21:36
● 2026-05-09 10:16:32
○ 2026-05-09 18:43:04
● 2026-05-10 02:00:24
○ 2026-05-10 08:55:34
○ 2026-05-10 08:55:36

○A52.84.118.932026-05-07 → 2026-05-10 · 7 obs

○ 2026-05-07 20:01:06
● 2026-05-07 21:21:36
● 2026-05-09 10:16:32
○ 2026-05-09 18:43:04
● 2026-05-10 02:00:24
○ 2026-05-10 08:55:34
○ 2026-05-10 08:55:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
blutools.io	ns-1699.awsdns-20.co.uk, ns-959.awsdns-55.net, ns-73.awsdns-09.com, ns-1222.awsdns-24.org	-

✅ Authoritative Response

Server:205.251.198.163

NS records: ns-1699.awsdns-20.co.uk, ns-959.awsdns-55.net, ns-73.awsdns-09.com, ns-1222.awsdns-24.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blutools.io (unsigned zone)

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.161.34.79, 18.161.34.89...`
NS	4	`ns-1222.awsdns-24.org, ns-1699.awsdns-20.co.uk...`
SOA	1	`ns-1699.awsdns-20.co.uk awsdns-hostmaste`

Analysis

IP Addresses

blutools.io points to four IP numbers: 18.161.34.79, 18.161.34.89, 18.161.34.106 and 18.161.34.128.

Name Servers

blutools.io is delegated to four name servers: ns-73.awsdns-09.com, ns-959.awsdns-55.net, ns-1222.awsdns-24.org and ns-1699.awsdns-20.co.uk.

Host names with two IP numbers:

ns-73.awsdns-09.com points to: 2600:9000:5300:4900::1 and 205.251.192.73.

ns-959.awsdns-55.net points to: 2600:9000:5303:bf00::1 and 205.251.195.191.

ns-1222.awsdns-24.org points to: 2600:9000:5304:c600::1 and 205.251.196.198.

ns-1699.awsdns-20.co.uk points to: 2600:9000:5306:a300::1 and 205.251.198.163.

blutools.io - robtex.com

blutools.io

io

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`blutools.io`

`io`