sim-systems.com - dns.ninja

`sim-systems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:29a2^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:943a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.162^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.58^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`daisy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`daisy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`daisy.ns.cloudflare.com`
		A	108.162.192.90^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	172.64.32.90^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	173.245.58.90^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
MX	`mx.core.locaweb.com.br` ⭐
		A	177.153.23.241^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.core.locaweb.com.br`
MX	`mx.a.locaweb.com.br`⁽²⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽²⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
MX	`mx.jk.locaweb.com.br`⁽²⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`v=spf1 include:_spf.locaweb.com.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.162, 172.67.148.58
		IPv6 hints	2606:4700:3030::6815:29a2, 2606:4700:3030::ac43:943a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=178, name=cloudflare-ech.com
SOA	`daisy.ns.cloudflare.com`dns@cloudflare.com serial=2411030746

`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=1785778352

Same first word

sim-systems.com

Similar names

mis-systems.nl

msi-systems.com

ims-systems.de

ims-systems.com

DNS History

23 records (10 active, 13 former)

●NSdaisy.ns.cloudflare.com2026-03-28 → 2026-08-03 · 3 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
● 2026-08-03 17:59:58

○NSns1.locaweb.com.br2026-03-10 → 2026-03-10 · 4 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
○ 2026-03-28 13:08:50
○ 2026-08-03 17:59:58

○NSns2.locaweb.com.br2026-03-10 → 2026-03-10 · 4 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
○ 2026-03-28 13:08:50
○ 2026-08-03 17:59:58

○NSns3.locaweb.com.br2026-03-10 → 2026-03-10 · 4 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
○ 2026-03-28 13:08:50
○ 2026-08-03 17:59:58

○NSns45.domaincontrol.com2015-06-08 → 2016-04-21 · 4 obs

● 2015-06-08 18:40:40
● 2016-04-21 14:02:14
○ 2017-04-19 12:38:18
○ 2026-08-03 17:59:58

○NSns46.domaincontrol.com2015-06-08 → 2016-04-21 · 4 obs

● 2015-06-08 18:40:40
● 2016-04-21 14:02:14
○ 2017-04-19 12:38:18
○ 2026-08-03 17:59:58

●NStoby.ns.cloudflare.com2026-03-28 → 2026-08-03 · 3 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
● 2026-08-03 17:59:58

○MXmailstore1.secureserver.net2015-06-08 → 2016-04-21 · 4 obs

● 2015-06-08 18:40:40
● 2016-04-21 14:02:14
○ 2017-04-19 12:38:18
○ 2026-08-03 17:59:58

●MXmx.a.locaweb.com.br2026-03-10 → 2026-08-03 · 3 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
● 2026-08-03 17:59:58

●MXmx.b.locaweb.com.br2026-03-10 → 2026-08-03 · 3 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
● 2026-08-03 17:59:58

●MXmx.core.locaweb.com.br2026-03-10 → 2026-08-03 · 3 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
● 2026-08-03 17:59:58

●MXmx.jk.locaweb.com.br2026-03-10 → 2026-08-03 · 3 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
● 2026-08-03 17:59:58

○MXsmtp.secureserver.net2015-06-08 → 2016-04-21 · 4 obs

● 2015-06-08 18:40:40
● 2016-04-21 14:02:14
○ 2017-04-19 12:38:18
○ 2026-08-03 17:59:58

●A104.21.41.1622026-03-28 → 2026-08-03 · 3 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
● 2026-08-03 17:59:58

○A162.211.205.612015-10-20 → 2016-01-19 · 5 obs

○ 2015-06-08 18:40:40
● 2015-10-20 10:30:18
● 2016-01-19 16:05:14
○ 2016-04-21 14:02:14
○ 2026-08-03 17:59:58

○A162.211.206.132015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 18:40:40
○ 2015-10-20 10:30:18
○ 2026-08-03 17:59:58

●A172.67.148.582026-03-28 → 2026-08-03 · 3 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
● 2026-08-03 17:59:58

○A191.252.83.1892026-03-10 → 2026-03-10 · 4 obs

○ 2017-04-19 12:38:18
● 2026-03-10 17:01:12
○ 2026-03-28 13:08:50
○ 2026-08-03 17:59:58

●A2606:4700:3030::6815:29a22026-08-02 → 2026-08-03 · 3 obs

○ 2026-03-28 13:08:50
● 2026-08-02 07:59:02
● 2026-08-03 17:59:58

●A2606:4700:3030::ac43:943a2026-08-02 → 2026-08-03 · 3 obs

○ 2026-03-28 13:08:50
● 2026-08-02 07:59:02
● 2026-08-03 17:59:58

○A2606:4700:3032::ac43:943a2026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
○ 2026-08-02 07:59:02
○ 2026-08-03 17:59:58

○A2606:4700:3036::6815:29a22026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-10 17:01:12
● 2026-03-28 13:08:50
○ 2026-08-02 07:59:02
○ 2026-08-03 17:59:58

○A50.63.202.772016-04-21 → 2016-04-21 · 4 obs

○ 2016-01-19 16:05:14
● 2016-04-21 14:02:14
○ 2017-04-19 12:38:18
○ 2026-08-03 17:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
sim-systems.com	daisy.ns.cloudflare.com, toby.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.90

NS records: daisy.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sim-systems.com (unsigned zone)

⏱️ Timing

Total: 201ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.162, 172.67.148.58`
AAAA	2	`2606:4700:3030::6815:29a2, 2606:4700:3030::ac43:943a`
NS	2	`daisy.ns.cloudflare.com, toby.ns.cloudflare.com`
MX	4	`mx.core.locaweb.com.br (pri: 10), mx.a.locaweb.com.br (pri: 20)...`
TXT	1	`v=spf1 include:_spf.locaweb.com.br -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`daisy.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (daisy.ns.cloudflare.com, daisy.ns.cloudflare.com, daisy.ns.cloudflare.com...)

Analysis

IP Addresses

sim-systems.com has four IP addresses: 104.21.41.162, 172.67.148.58, 2606:4700:3030::6815:29a2 and 2606:4700:3030::ac43:943a.

0www.ir, tooabstractive.com, www.biosis.com.tr and two other host names share IP numbers with sim-systems.com.

Name Servers

Two name servers handle the delegation for sim-systems.com: daisy.ns.cloudflare.com and toby.ns.cloudflare.com.

sim-systems.com uses the same name servers as several other domains — among them roslincobblerscottages.com, ecosoffice.co.uk, markfletchermusic.com and two more.

sim-systems.com shares at least some of its name servers with other domains, including digitallygo.com, aarzoo.co, 1xbkbet4.com and two others.

These name servers are frequently paired with the name servers ollie.ns.cloudflare.com, tara.ns.cloudflare.com and gerald.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

daisy.ns.cloudflare.com resolves to 108.162.192.90, 172.64.32.90 and 173.245.58.90 among others, with 3 other IP addresses in total.

toby.ns.cloudflare.com resolves to 108.162.193.239, 172.64.33.239 and 173.245.59.239 among others, with 3 other IP addresses in total.

Mail Servers

Four mail servers handle email for sim-systems.com: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

sim-systems.com has at least partial mail server overlap with other domains such as w2sys.com.br, supremomt.com.br, aditivo.srv.br and two more.

Each of the four hosts mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br points to a single IP address — mx.a.locaweb.com.br points to 186.202.4.42, mx.b.locaweb.com.br points to 177.153.23.242, mx.core.locaweb.com.br points to 177.153.23.241 and mx.jk.locaweb.com.br points to 200.234.204.130.