`acalc.io`

DNSSEC	⚠️ Not signed
A	108.139.182.18^{🇺🇸 Amazon108.139.180.0/22}
		PTR	`server-108-139-182-18.gru3.r.cloudfront.net`
A	108.139.182.29^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.60^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.63^{🇺🇸 Amazon108.139.180.0/22}
NS	`ns-547.awsdns-04.net` ⭐
		A	2600:9000:5302:2300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-547.awsdns-04.net`
		A	205.251.194.35^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-547.awsdns-04.net`
NS	`ns-1357.awsdns-41.org`
		A	2600:9000:5305:4d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1357.awsdns-41.org`
		A	205.251.197.77^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1357.awsdns-41.org`
NS	`ns-2045.awsdns-63.co.uk`
		A	2600:9000:5307:fd00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2045.awsdns-63.co.uk`
		A	205.251.199.253^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2045.awsdns-63.co.uk`
NS	`ns-206.awsdns-25.com`
		A	2600:9000:5300:ce00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-206.awsdns-25.com`
		A	205.251.192.206^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-206.awsdns-25.com`
SOA	`ns-547.awsdns-04.net`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=1780470040

Same first word

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Similar names

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DNS History

48 records (8 active, 40 former)

●NSns-1357.awsdns-41.org2026-04-22 → 2026-06-03 · 2 obs

● 2026-04-22 08:04:52
● 2026-06-03 07:24:40

●NSns-2045.awsdns-63.co.uk2026-04-22 → 2026-06-03 · 2 obs

● 2026-04-22 08:04:52
● 2026-06-03 07:24:40

●NSns-206.awsdns-25.com2026-04-22 → 2026-06-03 · 2 obs

● 2026-04-22 08:04:52
● 2026-06-03 07:24:40

●NSns-547.awsdns-04.net2026-04-22 → 2026-06-03 · 2 obs

● 2026-04-22 08:04:52
● 2026-06-03 07:24:40

●A108.139.182.182026-04-23 → 2026-06-03 · 50 obs

○ 2026-04-23 16:12:50
● 2026-04-23 22:57:56
○ 2026-04-23 23:32:48
○ 2026-05-02 20:55:22
● 2026-05-02 21:56:02
○ 2026-05-03 04:06:46
○ 2026-05-05 00:10:16
● 2026-05-05 10:32:12
○ 2026-05-05 18:46:48
○ 2026-05-07 23:36:46
● 2026-05-09 09:47:48
○ 2026-05-09 16:32:02
○ 2026-05-10 13:57:10
● 2026-05-11 22:47:34
○ 2026-05-12 01:14:18
○ 2026-05-14 16:44:50
● 2026-05-15 09:02:06
○ 2026-05-15 12:38:00
○ 2026-05-19 11:07:20
● 2026-05-19 16:20:26
○ 2026-05-19 19:32:16
● 2026-05-20 02:56:30
○ 2026-05-20 06:44:04
● 2026-05-20 22:38:16
○ 2026-05-21 01:02:58
○ 2026-05-22 00:34:44
● 2026-05-22 03:29:48
○ 2026-05-22 07:12:18
● 2026-05-23 01:24:14
○ 2026-05-23 07:20:12
● 2026-05-23 17:42:04
○ 2026-05-23 18:39:44
○ 2026-05-23 21:21:04
● 2026-05-24 05:56:14
● 2026-05-24 09:42:20
○ 2026-05-24 12:56:12
○ 2026-05-27 15:35:18
● 2026-05-27 20:23:40
○ 2026-05-28 04:49:48
○ 2026-05-28 21:13:06
● 2026-05-29 14:04:08
● 2026-05-29 20:11:54
○ 2026-05-30 01:02:48
○ 2026-05-31 09:10:20
● 2026-05-31 18:54:34
● 2026-06-01 09:18:08
○ 2026-06-01 10:46:18
○ 2026-06-02 22:58:42
● 2026-06-03 07:24:38
● 2026-06-03 07:24:40

●A108.139.182.292026-04-23 → 2026-06-03 · 50 obs

●A108.139.182.602026-04-23 → 2026-06-03 · 50 obs

●A108.139.182.632026-04-23 → 2026-06-03 · 50 obs

○A13.224.252.1042026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-28 13:27:50
● 2026-04-29 06:50:48
○ 2026-04-29 11:18:56
○ 2026-06-03 07:24:40

○A13.224.252.1172026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-28 13:27:50
● 2026-04-29 06:50:48
○ 2026-04-29 11:18:56
○ 2026-06-03 07:24:40

○A13.224.252.592026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-28 13:27:50
● 2026-04-29 06:50:48
○ 2026-04-29 11:18:56
○ 2026-06-03 07:24:40

○A13.224.252.902026-04-29 → 2026-04-29 · 4 obs

○ 2026-04-28 13:27:50
● 2026-04-29 06:50:48
○ 2026-04-29 11:18:56
○ 2026-06-03 07:24:40

○A13.225.47.482026-05-19 → 2026-06-02 · 50 obs

○ 2026-05-18 10:49:12
● 2026-05-19 11:07:20
○ 2026-05-19 16:20:26
● 2026-05-19 19:32:16
○ 2026-05-20 02:56:30
● 2026-05-20 06:44:04
○ 2026-05-20 22:38:16
● 2026-05-21 01:02:58
● 2026-05-21 07:43:04
○ 2026-05-21 15:34:54
● 2026-05-21 17:10:38
○ 2026-05-22 00:34:44
○ 2026-05-22 03:29:48
● 2026-05-22 07:12:18
○ 2026-05-23 01:24:14
● 2026-05-23 07:20:12
○ 2026-05-23 17:42:04
● 2026-05-23 18:39:44
● 2026-05-23 21:21:04
○ 2026-05-24 05:56:14
○ 2026-05-24 09:42:20
● 2026-05-24 12:56:12
○ 2026-05-25 00:23:30
● 2026-05-25 01:33:26
● 2026-05-26 12:49:10
○ 2026-05-26 20:25:38
○ 2026-05-27 12:43:06
● 2026-05-27 15:35:18
○ 2026-05-27 20:23:40
○ 2026-05-28 04:49:48
● 2026-05-28 14:15:16
● 2026-05-28 21:13:06
○ 2026-05-29 14:04:08
○ 2026-05-29 20:11:54
● 2026-05-30 01:02:48
● 2026-05-30 13:01:00
○ 2026-05-30 21:31:06
● 2026-05-31 09:10:20
○ 2026-05-31 18:54:34
○ 2026-06-01 11:20:58
● 2026-06-01 15:41:14
● 2026-06-01 23:43:16
○ 2026-06-02 03:45:56
● 2026-06-02 11:19:38
○ 2026-06-02 12:19:44
○ 2026-06-02 17:23:38
● 2026-06-02 19:21:48
● 2026-06-02 22:58:42
○ 2026-06-03 07:24:38
○ 2026-06-03 07:24:40

○A13.225.47.592026-05-19 → 2026-06-02 · 50 obs

○A13.225.47.842026-05-19 → 2026-06-02 · 50 obs

○A13.225.47.92026-05-19 → 2026-06-02 · 50 obs

○A13.249.231.1012026-05-27 → 2026-05-30 · 10 obs

○ 2026-05-27 12:07:44
● 2026-05-27 12:43:06
○ 2026-05-27 15:35:18
○ 2026-05-27 20:23:40
● 2026-05-28 04:49:48
○ 2026-05-28 14:15:16
○ 2026-05-30 13:01:00
● 2026-05-30 21:31:06
○ 2026-05-31 09:10:20
○ 2026-06-03 07:24:40

○A13.249.231.1262026-05-27 → 2026-05-30 · 10 obs

○A13.249.231.652026-05-27 → 2026-05-30 · 10 obs

○A13.249.231.92026-05-27 → 2026-05-30 · 10 obs

○A18.155.107.1162026-05-26 → 2026-06-02 · 17 obs

○ 2026-05-26 12:49:10
● 2026-05-26 20:25:38
○ 2026-05-26 21:17:46
○ 2026-05-27 03:15:58
● 2026-05-27 12:07:44
○ 2026-05-27 12:43:06
○ 2026-06-01 09:18:08
● 2026-06-01 10:46:18
● 2026-06-01 11:20:58
○ 2026-06-01 15:41:14
○ 2026-06-01 23:43:16
● 2026-06-02 03:45:56
○ 2026-06-02 11:19:38
● 2026-06-02 12:19:44
● 2026-06-02 17:23:38
○ 2026-06-02 19:21:48
○ 2026-06-03 07:24:40

○A18.155.107.162026-05-26 → 2026-06-02 · 17 obs

○A18.155.107.602026-05-26 → 2026-06-02 · 17 obs

○A18.155.107.632026-05-26 → 2026-06-02 · 17 obs

○A18.161.21.102026-04-22 → 2026-05-17 · 44 obs

● 2026-04-22 08:04:52
○ 2026-04-22 11:26:56
○ 2026-04-23 08:43:12
● 2026-04-23 13:54:56
○ 2026-04-23 16:12:50
○ 2026-04-25 20:32:20
● 2026-04-27 08:00:52
● 2026-04-27 14:02:16
○ 2026-04-27 17:18:34
○ 2026-04-29 06:50:48
● 2026-04-29 11:18:56
○ 2026-04-29 11:50:38
○ 2026-05-01 16:34:18
● 2026-05-02 03:53:32
● 2026-05-02 11:03:04
○ 2026-05-02 12:33:02
● 2026-05-02 20:55:22
○ 2026-05-02 21:56:02
● 2026-05-03 04:06:46
● 2026-05-03 07:52:20
○ 2026-05-03 09:46:48
○ 2026-05-04 20:07:46
● 2026-05-04 21:30:10
○ 2026-05-05 00:10:16
○ 2026-05-05 18:46:48
● 2026-05-05 20:53:44
○ 2026-05-05 21:27:16
○ 2026-05-05 22:09:06
● 2026-05-05 23:43:08
● 2026-05-06 07:59:20
○ 2026-05-06 11:36:32
● 2026-05-07 20:41:40
○ 2026-05-07 23:36:46
○ 2026-05-12 12:20:04
● 2026-05-13 06:58:54
● 2026-05-13 14:13:18
○ 2026-05-13 17:35:34
○ 2026-05-16 21:17:58
● 2026-05-17 01:33:06
● 2026-05-17 02:32:04
○ 2026-05-17 03:55:24
● 2026-05-17 19:10:44
○ 2026-05-17 20:18:20
○ 2026-06-03 07:24:40

○A18.161.21.422026-04-22 → 2026-05-17 · 44 obs

○A18.161.21.602026-04-22 → 2026-05-17 · 44 obs

○A18.161.21.722026-04-22 → 2026-05-17 · 44 obs

○A18.161.229.32026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 20:25:38
● 2026-05-26 21:17:46
○ 2026-05-27 01:26:40
○ 2026-06-03 07:24:40

○A18.161.229.472026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 20:25:38
● 2026-05-26 21:17:46
○ 2026-05-27 01:26:40
○ 2026-06-03 07:24:40

○A18.161.229.752026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 20:25:38
● 2026-05-26 21:17:46
○ 2026-05-27 01:26:40
○ 2026-06-03 07:24:40

○A18.161.229.882026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 20:25:38
● 2026-05-26 21:17:46
○ 2026-05-27 01:26:40
○ 2026-06-03 07:24:40

○A3.174.59.1142026-04-28 → 2026-05-16 · 14 obs

○ 2026-04-27 17:18:34
● 2026-04-28 01:57:24
○ 2026-04-28 13:27:50
○ 2026-05-09 09:47:48
● 2026-05-09 16:32:02
● 2026-05-10 13:57:10
○ 2026-05-11 22:47:34
○ 2026-05-13 17:35:34
● 2026-05-13 19:27:06
○ 2026-05-14 02:02:10
○ 2026-05-15 12:38:00
● 2026-05-16 21:17:58
○ 2026-05-17 01:33:06
○ 2026-06-03 07:24:40

○A3.174.59.222026-04-28 → 2026-05-16 · 14 obs

○A3.174.59.472026-04-28 → 2026-05-16 · 14 obs

○A3.174.59.742026-04-28 → 2026-05-16 · 14 obs

○A52.222.177.1052026-04-22 → 2026-05-18 · 56 obs

○ 2026-04-22 08:04:52
● 2026-04-22 11:26:56
● 2026-04-23 08:43:12
○ 2026-04-23 13:54:56
● 2026-04-23 16:12:50
○ 2026-04-23 22:57:56
● 2026-04-23 23:32:48
● 2026-04-25 20:32:20
○ 2026-04-27 08:00:52
○ 2026-04-27 14:02:16
● 2026-04-27 17:18:34
○ 2026-04-28 01:57:24
● 2026-04-28 13:27:50
○ 2026-04-29 06:50:48
○ 2026-04-29 11:18:56
● 2026-04-29 11:50:38
● 2026-05-01 16:34:18
○ 2026-05-02 03:53:32
○ 2026-05-02 11:03:04
● 2026-05-02 12:33:02
○ 2026-05-02 20:55:22
○ 2026-05-03 07:52:20
● 2026-05-03 09:46:48
● 2026-05-04 20:07:46
○ 2026-05-04 21:30:10
● 2026-05-05 00:10:16
○ 2026-05-05 10:32:12
● 2026-05-05 18:46:48
○ 2026-05-05 20:53:44
● 2026-05-05 21:27:16
● 2026-05-05 22:09:06
○ 2026-05-05 23:43:08
○ 2026-05-06 07:59:20
● 2026-05-06 11:36:32
○ 2026-05-07 20:41:40
● 2026-05-07 23:36:46
○ 2026-05-09 09:47:48
○ 2026-05-11 22:47:34
● 2026-05-12 01:14:18
● 2026-05-12 12:20:04
○ 2026-05-13 06:58:54
○ 2026-05-13 14:13:18
● 2026-05-13 17:35:34
○ 2026-05-13 19:27:06
● 2026-05-14 02:02:10
● 2026-05-14 16:44:50
○ 2026-05-15 09:02:06
● 2026-05-15 12:38:00
○ 2026-05-16 21:17:58
○ 2026-05-17 02:32:04
● 2026-05-17 03:55:24
○ 2026-05-17 19:10:44
● 2026-05-17 20:18:20
● 2026-05-18 10:49:12
○ 2026-05-19 11:07:20
○ 2026-06-03 07:24:40

○A52.222.177.1242026-04-22 → 2026-05-18 · 56 obs

○A52.222.177.282026-04-22 → 2026-05-18 · 56 obs

○A52.222.177.642026-04-22 → 2026-05-18 · 56 obs

○A52.84.45.1032026-05-27 → 2026-05-27 · 5 obs

○ 2026-05-26 21:17:46
● 2026-05-27 01:26:40
● 2026-05-27 03:15:58
○ 2026-05-27 12:07:44
○ 2026-06-03 07:24:40

○A52.84.45.352026-05-27 → 2026-05-27 · 5 obs

○ 2026-05-26 21:17:46
● 2026-05-27 01:26:40
● 2026-05-27 03:15:58
○ 2026-05-27 12:07:44
○ 2026-06-03 07:24:40

○A52.84.45.392026-05-27 → 2026-05-27 · 5 obs

○ 2026-05-26 21:17:46
● 2026-05-27 01:26:40
● 2026-05-27 03:15:58
○ 2026-05-27 12:07:44
○ 2026-06-03 07:24:40

○A52.84.45.662026-05-27 → 2026-05-27 · 5 obs

○ 2026-05-26 21:17:46
● 2026-05-27 01:26:40
● 2026-05-27 03:15:58
○ 2026-05-27 12:07:44
○ 2026-06-03 07:24:40

○A52.85.193.1042026-05-21 → 2026-05-25 · 9 obs

○ 2026-05-21 07:43:04
● 2026-05-21 15:34:54
○ 2026-05-21 17:10:38
● 2026-05-22 00:34:44
○ 2026-05-22 03:29:48
○ 2026-05-24 12:56:12
● 2026-05-25 00:23:30
○ 2026-05-25 01:33:26
○ 2026-06-03 07:24:40

○A52.85.193.1072026-05-21 → 2026-05-25 · 9 obs

○A52.85.193.1212026-05-21 → 2026-05-25 · 9 obs

○A52.85.193.682026-05-21 → 2026-05-25 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io	-
acalc.io	ns-206.awsdns-25.com, ns-547.awsdns-04.net, ns-1357.awsdns-41.org, ns-2045.awsdns-63.co.uk	-

✅ Authoritative Response

Server:205.251.194.35

NS records: ns-206.awsdns-25.com, ns-547.awsdns-04.net, ns-1357.awsdns-41.org, ns-2045.awsdns-63.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for acalc.io (unsigned zone)

⏱️ Timing

Total: 630ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.182.18, 108.139.182.60...`
NS	4	`ns-1357.awsdns-41.org, ns-2045.awsdns-63.co.uk...`
SOA	1	`ns-547.awsdns-04.net awsdns-hostmaster.a`

Analysis

IP Addresses

acalc.io has 4 IP addresses: 108.139.182.18, 108.139.182.29, 108.139.182.60 and 108.139.182.63.

s26562.pcdn.co, www.icmarkets.sc, www.ticpymes.es and two other host names share IP numbers with acalc.io.

Name Servers

acalc.io carries NS records pointing to 4 name servers: ns-206.awsdns-25.com, ns-547.awsdns-04.net, ns-1357.awsdns-41.org and ns-2045.awsdns-63.co.uk.

At least some of acalc.io's name servers are shared with other domains, for example lab201.jimdo.com, stevekidwell.com, bondcreativemgmt.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns-1159.awsdns-16.org, ns-15.awsdns-01.com and ns-1642.awsdns-13.co.uk.

Four hostnames, each resolving to a pair of IP addresses: ns-206.awsdns-25.com directs to 205.251.192.206 and 2600:9000:5300:ce00::1; ns-547.awsdns-04.net directs to 205.251.194.35 and 2600:9000:5302:2300::1; ns-1357.awsdns-41.org directs to 205.251.197.77 and 2600:9000:5305:4d00::1; ns-2045.awsdns-63.co.uk directs to 205.251.199.253 and 2600:9000:5307:fd00::1.

acalc.io - robtex.com

acalc.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`acalc.io`

`io`