sim.io - dns.ninja

`sim.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4f49^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a939^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.73^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.57^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`craig.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`craig.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`craig.ns.cloudflare.com`
		A	108.162.195.192^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	162.159.44.192^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
		A	172.64.35.192^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`craig.ns.cloudflare.com`
NS	`lara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c080^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2080^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lara.ns.cloudflare.com`
		A	108.162.192.128^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	172.64.32.128^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	173.245.58.128^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷³⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.73, 172.67.169.57
		IPv6 hints	2606:4700:3033::6815:4f49, 2606:4700:3034::ac43:a939
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOA	`craig.ns.cloudflare.com`dns@cloudflare.com serial=2409684536

`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=1784641423

Same first word

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Similar names

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smi.co.th

msi.sa

smi.inf.br

ism.com.pl

ims.lk

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ims.dnsalias.net

smi.im

ims.hr

DNS History

19 records (9 active, 10 former)

●NScraig.ns.cloudflare.com2026-02-28 → 2026-07-21 · 2 obs

● 2026-02-28 03:05:26
● 2026-07-21 14:20:06

●NSlara.ns.cloudflare.com2026-02-28 → 2026-07-21 · 2 obs

● 2026-02-28 03:05:26
● 2026-07-21 14:20:06

●MXroute1.mx.cloudflare.net2026-02-28 → 2026-07-21 · 2 obs

● 2026-02-28 03:05:26
● 2026-07-21 14:20:06

●MXroute2.mx.cloudflare.net2026-02-28 → 2026-07-21 · 2 obs

● 2026-02-28 03:05:26
● 2026-07-21 14:20:06

●MXroute3.mx.cloudflare.net2026-02-28 → 2026-07-21 · 2 obs

● 2026-02-28 03:05:26
● 2026-07-21 14:20:06

●A104.21.79.732026-02-28 → 2026-07-21 · 42 obs

● 2026-02-28 03:05:26
● 2026-04-05 16:50:36
○ 2026-04-07 15:58:26
● 2026-04-10 04:21:18
● 2026-04-30 01:07:22
○ 2026-05-02 09:09:54
○ 2026-05-13 20:26:12
● 2026-05-13 22:57:50
● 2026-05-15 15:39:44
○ 2026-05-22 00:06:38
○ 2026-05-22 08:06:48
● 2026-05-22 13:24:52
● 2026-05-23 04:05:28
○ 2026-05-23 15:22:34
● 2026-05-23 15:54:08
○ 2026-05-24 22:18:12
○ 2026-05-24 22:54:48
● 2026-05-24 23:25:14
● 2026-05-27 13:33:26
○ 2026-05-28 16:33:26
○ 2026-05-28 17:50:48
● 2026-05-29 09:27:46
○ 2026-05-31 05:26:52
● 2026-05-31 12:09:22
● 2026-06-04 21:07:48
○ 2026-06-05 08:12:56
○ 2026-06-06 11:06:36
● 2026-06-06 13:32:50
○ 2026-06-10 15:03:46
● 2026-06-12 01:08:40
● 2026-06-12 04:25:30
○ 2026-06-12 16:35:12
○ 2026-06-12 17:34:16
● 2026-06-12 18:21:42
● 2026-06-14 02:37:44
○ 2026-06-14 10:26:32
● 2026-07-02 20:36:02
○ 2026-07-08 06:40:26
● 2026-07-09 16:47:38
○ 2026-07-17 10:59:04
● 2026-07-21 14:20:04
● 2026-07-21 14:20:06

●A172.67.169.572026-02-28 → 2026-07-21 · 42 obs

○A188.114.96.02026-04-07 → 2026-07-17 · 36 obs

○ 2026-04-05 16:50:36
● 2026-04-07 15:58:26
○ 2026-04-10 04:21:18
○ 2026-04-30 01:07:22
● 2026-05-02 09:09:54
● 2026-05-13 20:26:12
○ 2026-05-13 22:57:50
○ 2026-05-15 15:39:44
● 2026-05-22 00:06:38
○ 2026-05-22 00:38:18
● 2026-05-22 02:00:28
● 2026-05-22 08:06:48
○ 2026-05-22 13:24:52
○ 2026-05-23 15:54:08
● 2026-05-24 22:18:12
● 2026-05-24 22:54:48
○ 2026-05-24 23:25:14
○ 2026-05-28 16:33:26
● 2026-05-28 17:50:48
○ 2026-05-29 09:27:46
● 2026-05-31 05:26:52
○ 2026-05-31 12:09:22
○ 2026-06-04 21:07:48
● 2026-06-05 08:12:56
● 2026-06-06 11:06:36
○ 2026-06-06 13:32:50
● 2026-06-10 15:03:46
○ 2026-06-12 01:08:40
○ 2026-06-14 02:37:44
● 2026-06-14 10:26:32
○ 2026-07-02 20:36:02
● 2026-07-08 06:40:26
○ 2026-07-09 16:47:38
● 2026-07-17 10:59:04
○ 2026-07-21 14:20:04
○ 2026-07-21 14:20:06

○A188.114.96.42026-05-22 → 2026-06-12 · 14 obs

○ 2026-05-22 00:06:38
● 2026-05-22 00:38:18
○ 2026-05-22 02:00:28
○ 2026-05-23 04:05:28
● 2026-05-23 15:22:34
○ 2026-05-23 15:54:08
○ 2026-05-27 13:33:26
● 2026-05-28 16:33:26
○ 2026-05-28 17:50:48
○ 2026-06-12 04:25:30
● 2026-06-12 16:35:12
● 2026-06-12 17:34:16
○ 2026-06-12 18:21:42
○ 2026-07-21 14:20:06

○A188.114.97.02026-04-07 → 2026-07-17 · 36 obs

○A188.114.97.42026-05-22 → 2026-06-12 · 14 obs

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 03:05:26
● 2026-02-28 23:46:40
○ 2026-03-27 23:31:28
○ 2026-07-21 14:20:06

●A2606:4700:3033::6815:4f492026-02-28 → 2026-07-21 · 44 obs

● 2026-02-28 03:05:26
○ 2026-02-28 23:46:40
● 2026-03-27 23:31:28
○ 2026-04-04 04:51:08
● 2026-04-05 16:50:36
○ 2026-04-07 15:58:26
● 2026-04-10 04:21:18
● 2026-05-02 09:09:54
○ 2026-05-13 20:26:12
● 2026-05-13 22:57:50
● 2026-05-15 15:39:44
○ 2026-05-22 00:06:38
○ 2026-05-22 08:06:48
● 2026-05-22 13:24:52
● 2026-05-23 04:05:28
○ 2026-05-23 15:22:34
● 2026-05-23 15:54:08
○ 2026-05-24 22:18:12
○ 2026-05-24 22:54:48
● 2026-05-24 23:25:14
● 2026-05-27 13:33:26
○ 2026-05-28 16:33:26
○ 2026-05-28 17:50:48
● 2026-05-29 09:27:46
○ 2026-05-31 05:26:52
● 2026-05-31 12:09:22
● 2026-06-04 21:07:48
○ 2026-06-05 08:12:56
○ 2026-06-06 11:06:36
● 2026-06-06 13:32:50
○ 2026-06-10 15:03:46
● 2026-06-12 01:08:40
● 2026-06-12 04:25:30
○ 2026-06-12 16:35:12
○ 2026-06-12 17:34:16
● 2026-06-12 18:21:42
● 2026-06-14 02:37:44
○ 2026-06-14 10:26:32
● 2026-07-02 20:36:02
○ 2026-07-08 06:40:26
● 2026-07-09 16:47:38
○ 2026-07-17 10:59:04
● 2026-07-21 14:20:04
● 2026-07-21 14:20:06

●A2606:4700:3034::ac43:a9392026-07-02 → 2026-07-21 · 7 obs

○ 2026-06-14 10:26:32
● 2026-07-02 20:36:02
○ 2026-07-08 06:40:26
● 2026-07-09 16:47:38
○ 2026-07-17 10:59:04
● 2026-07-21 14:20:04
● 2026-07-21 14:20:06

○A2606:4700:3036::ac43:a9392026-02-28 → 2026-06-14 · 39 obs

○A2a06:98c1:3120::2026-04-04 → 2026-07-17 · 43 obs

○ 2026-03-27 23:31:28
● 2026-04-04 04:51:08
○ 2026-04-05 16:50:36
● 2026-04-07 15:58:26
○ 2026-04-10 04:21:18
○ 2026-05-02 09:09:54
● 2026-05-13 20:26:12
○ 2026-05-13 22:57:50
○ 2026-05-15 15:39:44
● 2026-05-22 00:06:38
○ 2026-05-22 00:38:18
● 2026-05-22 02:00:28
● 2026-05-22 08:06:48
○ 2026-05-22 13:24:52
○ 2026-05-23 04:05:28
● 2026-05-23 15:22:34
○ 2026-05-23 15:54:08
● 2026-05-24 22:18:12
● 2026-05-24 22:54:48
○ 2026-05-24 23:25:14
○ 2026-05-28 16:33:26
● 2026-05-28 17:50:48
○ 2026-05-29 09:27:46
● 2026-05-31 05:26:52
○ 2026-05-31 12:09:22
○ 2026-06-04 21:07:48
● 2026-06-05 08:12:56
● 2026-06-06 11:06:36
○ 2026-06-06 13:32:50
● 2026-06-10 15:03:46
○ 2026-06-12 01:08:40
○ 2026-06-12 04:25:30
● 2026-06-12 16:35:12
● 2026-06-12 17:34:16
○ 2026-06-12 18:21:42
○ 2026-06-14 02:37:44
● 2026-06-14 10:26:32
○ 2026-07-02 20:36:02
● 2026-07-08 06:40:26
○ 2026-07-09 16:47:38
● 2026-07-17 10:59:04
○ 2026-07-21 14:20:04
○ 2026-07-21 14:20:06

○A2a06:98c1:3120::42026-05-22 → 2026-05-28 · 7 obs

○ 2026-05-22 00:06:38
● 2026-05-22 00:38:18
○ 2026-05-22 02:00:28
○ 2026-05-27 13:33:26
● 2026-05-28 16:33:26
○ 2026-05-28 17:50:48
○ 2026-07-21 14:20:06

○A2a06:98c1:3121::2026-04-04 → 2026-07-17 · 43 obs

○A2a06:98c1:3121::42026-05-22 → 2026-05-28 · 7 obs

○ 2026-05-22 00:06:38
● 2026-05-22 00:38:18
○ 2026-05-22 02:00:28
○ 2026-05-27 13:33:26
● 2026-05-28 16:33:26
○ 2026-05-28 17:50:48
○ 2026-07-21 14:20:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, c0.nic.io, b0.nic.io, a2.nic.io	-
sim.io	craig.ns.cloudflare.com, lara.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.192

NS records: craig.ns.cloudflare.com, lara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sim.io (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.73, 172.67.169.57`
AAAA	2	`2606:4700:3034::ac43:a939, 2606:4700:3033::6815:4f49`
NS	2	`craig.ns.cloudflare.com, lara.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 63), route3.mx.cloudflare.net (pri: 73)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`craig.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sim.io has four IP addresses: 104.21.79.73, 172.67.169.57, 2606:4700:3033::6815:4f49 and 2606:4700:3034::ac43:a939.

meischineserestaurant.com, dosaafnso.ru, terrapoint.click and two other host names share IP numbers with sim.io.

Name Servers

sim.io is served by two delegated name servers, craig.ns.cloudflare.com and lara.ns.cloudflare.com.

sim.io uses the same name servers as several other domains — among them 61300.com, w003.com, 68100.com and two more.

sim.io has at least partial name server overlap with other domains, such as etowahar.gov, gayahidupsehatonline.com, genson.com and two others.

It is common to find these name servers paired with the name servers kim.ns.cloudflare.com, cody.ns.cloudflare.com, jessica.ns.cloudflare.com and walt.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

craig.ns.cloudflare.com carries IP addresses 108.162.195.192, 162.159.44.192 and 172.64.35.192, with 3 other addresses beyond those.

lara.ns.cloudflare.com carries IP addresses 108.162.192.128, 172.64.32.128 and 173.245.58.128, with 3 other addresses beyond those.

Mail Servers

sim.io has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

sim.io has at least partial mail server overlap with other domains such as venturechannel.com, ayudaelectronica.com, ballmer-peak.org and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.