`crewhub.io`

DNSSEC	⚠️ Not signed
A	3.170.19.53^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-53.iad61.r.cloudfront.net`
A	3.170.19.71^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.106^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.113^{🇺🇸 Amazon3.170.19.0/24}
NS	`ns-81.awsdns-10.com` ⭐
		A	2600:9000:5300:5100::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-81.awsdns-10.com`
		A	205.251.192.81^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-81.awsdns-10.com`
NS	`ns-1495.awsdns-58.org`
		A	2600:9000:5305:d700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1495.awsdns-58.org`
		A	205.251.197.215^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1495.awsdns-58.org`
NS	`ns-1951.awsdns-51.co.uk`
		A	2600:9000:5307:9f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1951.awsdns-51.co.uk`
		A	205.251.199.159^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1951.awsdns-51.co.uk`
NS	`ns-928.awsdns-52.net`
		A	2600:9000:5303:a000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-928.awsdns-52.net`
		A	205.251.195.160^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-928.awsdns-52.net`
SOA	`ns-81.awsdns-10.com`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=1773494468

Same first word

crewhub.io

DNS History

24 records (8 active, 16 former)

●NSns-1495.awsdns-58.org2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:33:52
● 2026-03-23 23:14:34

●NSns-1951.awsdns-51.co.uk2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:33:52
● 2026-03-23 23:14:34

●NSns-81.awsdns-10.com2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:33:52
● 2026-03-23 23:14:34

●NSns-928.awsdns-52.net2026-03-15 → 2026-03-23 · 2 obs

● 2026-03-15 16:33:52
● 2026-03-23 23:14:34

○A13.224.95.262026-03-16 → 2026-03-23 · 25 obs

○ 2026-03-15 16:33:52
● 2026-03-16 01:54:02
○ 2026-03-16 08:36:30
● 2026-03-16 20:35:24
● 2026-03-17 15:20:50
○ 2026-03-17 19:20:06
● 2026-03-18 02:42:14
○ 2026-03-18 23:09:04
● 2026-03-19 01:32:00
○ 2026-03-19 12:47:16
● 2026-03-19 23:46:58
○ 2026-03-20 12:50:38
● 2026-03-20 20:18:28
● 2026-03-21 21:21:30
○ 2026-03-22 00:12:46
● 2026-03-22 01:31:44
○ 2026-03-22 04:50:14
○ 2026-03-22 07:27:26
● 2026-03-22 08:11:36
● 2026-03-22 21:40:12
○ 2026-03-22 22:19:18
○ 2026-03-23 02:23:16
● 2026-03-23 03:35:56
○ 2026-03-23 23:14:32
○ 2026-03-23 23:14:34

○A13.224.95.272026-03-16 → 2026-03-23 · 25 obs

○A13.224.95.282026-03-16 → 2026-03-23 · 25 obs

○A13.224.95.892026-03-16 → 2026-03-23 · 25 obs

○A13.32.230.1112026-03-15 → 2026-03-22 · 11 obs

● 2026-03-15 16:33:52
○ 2026-03-16 01:54:02
● 2026-03-16 08:36:30
○ 2026-03-16 20:35:24
○ 2026-03-19 01:32:00
● 2026-03-19 12:47:16
○ 2026-03-19 23:46:58
○ 2026-03-22 01:31:44
● 2026-03-22 04:50:14
○ 2026-03-22 07:27:26
○ 2026-03-23 23:14:34

○A13.32.230.372026-03-15 → 2026-03-22 · 11 obs

○A13.32.230.402026-03-15 → 2026-03-22 · 11 obs

○A13.32.230.882026-03-15 → 2026-03-22 · 11 obs

○A3.164.206.1192026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 22:19:18
● 2026-03-23 02:23:16
○ 2026-03-23 03:35:56
○ 2026-03-23 23:14:34

○A3.164.206.172026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 22:19:18
● 2026-03-23 02:23:16
○ 2026-03-23 03:35:56
○ 2026-03-23 23:14:34

○A3.164.206.422026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 22:19:18
● 2026-03-23 02:23:16
○ 2026-03-23 03:35:56
○ 2026-03-23 23:14:34

○A3.164.206.782026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-22 22:19:18
● 2026-03-23 02:23:16
○ 2026-03-23 03:35:56
○ 2026-03-23 23:14:34

○A3.167.99.202026-03-17 → 2026-03-20 · 9 obs

○ 2026-03-17 15:20:50
● 2026-03-17 19:20:06
○ 2026-03-18 02:42:14
● 2026-03-18 23:09:04
○ 2026-03-19 01:32:00
○ 2026-03-19 23:46:58
● 2026-03-20 12:50:38
○ 2026-03-20 20:18:28
○ 2026-03-23 23:14:34

○A3.167.99.622026-03-17 → 2026-03-20 · 9 obs

○A3.167.99.72026-03-17 → 2026-03-20 · 9 obs

○A3.167.99.902026-03-17 → 2026-03-20 · 9 obs

●A3.170.19.1062026-03-22 → 2026-03-23 · 12 obs

○ 2026-03-21 21:21:30
● 2026-03-22 00:12:46
○ 2026-03-22 01:31:44
○ 2026-03-22 04:50:14
● 2026-03-22 07:27:26
○ 2026-03-22 08:11:36
○ 2026-03-22 21:40:12
● 2026-03-22 22:19:18
○ 2026-03-23 02:23:16
○ 2026-03-23 03:35:56
● 2026-03-23 23:14:32
● 2026-03-23 23:14:34

●A3.170.19.1132026-03-22 → 2026-03-23 · 12 obs

●A3.170.19.532026-03-22 → 2026-03-23 · 12 obs

●A3.170.19.712026-03-22 → 2026-03-23 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
crewhub.io	ns-81.awsdns-10.com, ns-928.awsdns-52.net, ns-1951.awsdns-51.co.uk, ns-1495.awsdns-58.org	-

✅ Authoritative Response

Server:205.251.195.160

NS records: ns-81.awsdns-10.com, ns-928.awsdns-52.net, ns-1951.awsdns-51.co.uk, ns-1495.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crewhub.io (unsigned zone)

⏱️ Timing

Total: 643ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.53, 3.170.19.113...`
NS	4	`ns-1495.awsdns-58.org, ns-1951.awsdns-51.co.uk...`
SOA	1	`ns-81.awsdns-10.com awsdns-hostmaster.am`

Analysis

IP Addresses

Four IP numbers are pointed to by crewhub.io: 3.170.19.53, 3.170.19.71, 3.170.19.106 and 3.170.19.113.

other host names including sky2devs.com, intermedium.com.br, mwsrrulbn4u9w3k.aidalapeli.com, status-procore-com-d106af86-a3ee-44a5-9e73-9a68b71cb024.saas.atlassian.com and mail.markleo.net share IP numbers with crewhub.io.

Name Servers

crewhub.io is delegated to four name servers: ns-81.awsdns-10.com, ns-928.awsdns-52.net, ns-1495.awsdns-58.org and ns-1951.awsdns-51.co.uk.

crewhub.io at least partially shares name servers with other domains, for instance sonyged.com, dag847qhpo5i9.cloudfront.net, gmguy.com.au, erhvervsmonitor.dk and turnerm-has.com.

Host names with two IP numbers:

ns-81.awsdns-10.com points to 2600:9000:5300:5100::1 and 205.251.192.81; ns-928.awsdns-52.net points to 2600:9000:5303:a000::1 and 205.251.195.160; ns-1495.awsdns-58.org points to 2600:9000:5305:d700::1 and 205.251.197.215; ns-1951.awsdns-51.co.uk points to 2600:9000:5307:9f00::1 and 205.251.199.159.

crewhub.io - robtex.com

crewhub.io

io

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`crewhub.io`

`io`