systemguide.com - dns.ninja

`systemguide.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:660^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:86aa^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.96^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.170^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`joan.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joan.ns.cloudflare.com`
		A	108.162.192.173^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	172.64.32.173^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	173.245.58.173^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽³⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 ip4:172.93.50.79 include:zohomail.com include:sender.zohoinvoice.com i...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.96, 172.67.134.170
		IPv6 hints	2606:4700:3031::6815:660, 2606:4700:3033::ac43:86aa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=181, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2407502693

`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=1782077405

Previously MX for

systemguide.com

Subdomains

www.systemguide.com

host1.systemguide.com

Same first word

systemguide.com

systemguide.de

systemguide.ru

DNS History

27 records (9 active, 18 former)

●NSdexter.ns.cloudflare.com2026-02-15 → 2026-06-21 · 3 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-06-21 21:32:42

●NSjoan.ns.cloudflare.com2026-02-15 → 2026-06-21 · 3 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-06-21 21:32:42

○NSns17.domaincontrol.com2015-10-20 → 2017-12-06 · 5 obs

○ 2007-10-29 18:50:46
● 2015-10-20 06:01:50
● 2017-12-06 18:53:48
○ 2026-02-15 14:17:08
○ 2026-06-21 21:32:42

○NSns18.domaincontrol.com2015-10-20 → 2017-12-06 · 5 obs

○ 2007-10-29 18:50:46
● 2015-10-20 06:01:50
● 2017-12-06 18:53:48
○ 2026-02-15 14:17:08
○ 2026-06-21 21:32:42

○NSns39.dnsprotect.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 18:50:46
○ 2015-05-10 23:53:34
○ 2026-06-21 21:32:42

○NSns40.dnsprotect.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 18:50:46
○ 2015-05-10 23:53:34
○ 2026-06-21 21:32:42

○NSns77.domaincontrol.com2015-05-10 → 2015-05-10 · 4 obs

○ 2007-10-29 18:50:46
● 2015-05-10 23:53:34
○ 2015-10-20 06:01:50
○ 2026-06-21 21:32:42

○NSns78.domaincontrol.com2015-05-10 → 2015-05-10 · 4 obs

○ 2007-10-29 18:50:46
● 2015-05-10 23:53:34
○ 2015-10-20 06:01:50
○ 2026-06-21 21:32:42

●MXmx.zoho.com2026-02-15 → 2026-06-21 · 3 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-06-21 21:32:42

○MXmx.zohomail.com2015-05-10 → 2015-10-20 · 5 obs

○ 2007-10-29 18:50:46
● 2015-05-10 23:53:34
● 2015-10-20 06:01:50
○ 2015-12-29 00:26:44
○ 2026-06-21 21:32:42

○MXmx1.emailsrvr.com2015-12-29 → 2017-12-06 · 5 obs

○ 2015-10-20 06:01:50
● 2015-12-29 00:26:44
● 2017-12-06 18:53:48
○ 2026-02-15 14:17:08
○ 2026-06-21 21:32:42

○MXmx2.emailsrvr.com2015-12-29 → 2017-12-06 · 5 obs

○ 2015-10-20 06:01:50
● 2015-12-29 00:26:44
● 2017-12-06 18:53:48
○ 2026-02-15 14:17:08
○ 2026-06-21 21:32:42

●MXmx2.zoho.com2026-02-15 → 2026-06-21 · 3 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-06-21 21:32:42

○MXmx2.zohomail.com2015-05-10 → 2015-10-20 · 5 obs

○ 2007-10-29 18:50:46
● 2015-05-10 23:53:34
● 2015-10-20 06:01:50
○ 2015-12-29 00:26:44
○ 2026-06-21 21:32:42

●MXmx3.zoho.com2026-02-15 → 2026-06-21 · 3 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-06-21 21:32:42

○MXsystemguide.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 18:50:46
○ 2015-05-10 23:53:34
○ 2026-06-21 21:32:42

●A104.21.6.962026-02-15 → 2026-06-21 · 12 obs

○ 2017-12-06 18:53:48
● 2026-02-15 14:17:08
● 2026-02-17 20:06:52
○ 2026-02-19 04:30:34
○ 2026-03-18 06:57:12
● 2026-03-24 07:02:08
● 2026-04-17 06:54:28
○ 2026-04-26 23:11:54
● 2026-05-01 13:15:50
● 2026-05-01 16:56:24
○ 2026-06-07 19:32:44
● 2026-06-21 21:32:42

●A172.67.134.1702026-02-15 → 2026-06-21 · 12 obs

○A173.198.211.1142016-04-09 → 2017-12-06 · 5 obs

○ 2015-12-29 00:26:44
● 2016-04-09 06:32:04
● 2017-12-06 18:53:48
○ 2026-02-15 14:17:08
○ 2026-06-21 21:32:42

○A173.198.211.1152015-05-10 → 2015-12-29 · 5 obs

○ 2007-10-29 18:50:46
● 2015-05-10 23:53:34
● 2015-12-29 00:26:44
○ 2016-04-09 06:32:04
○ 2026-06-21 21:32:42

○A188.114.96.02026-02-19 → 2026-06-07 · 10 obs

○ 2026-02-17 20:06:52
● 2026-02-19 04:30:34
● 2026-03-18 06:57:12
○ 2026-03-24 07:02:08
○ 2026-04-17 06:54:28
● 2026-04-26 23:11:54
○ 2026-05-01 13:15:50
○ 2026-05-01 16:56:24
● 2026-06-07 19:32:44
○ 2026-06-21 21:32:42

○A188.114.97.02026-02-19 → 2026-06-07 · 10 obs

●A2606:4700:3031::6815:6602026-02-15 → 2026-06-21 · 12 obs

●A2606:4700:3033::ac43:86aa2026-02-15 → 2026-06-21 · 12 obs

○A2a06:98c1:3120::2026-02-19 → 2026-06-07 · 10 obs

○A2a06:98c1:3121::2026-02-19 → 2026-06-07 · 10 obs

○A64.91.236.1942007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 18:50:46
○ 2015-05-10 23:53:34
○ 2026-06-21 21:32:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...	-
systemguide.com	joan.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.190

NS records: joan.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemguide.com (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.96, 172.67.134.170`
AAAA	2	`2606:4700:3031::6815:660, 2606:4700:3033::ac43:86aa`
NS	2	`dexter.ns.cloudflare.com, joan.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	1	`v=spf1 ip4:172.93.50.79 include:zohomail`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.systemguide.com and host1.systemguide.com each fall under systemguide.com as their parent domain.

IP Addresses

systemguide.com has four IP addresses: 104.21.6.96, 172.67.134.170, 2606:4700:3031::6815:660 and 2606:4700:3033::ac43:86aa.

Two other host names, along with antoniodarliano.com, wizardtales.net and senobex.com, also share IP numbers with systemguide.com.

Name Servers

systemguide.com has two authoritative name servers — dexter.ns.cloudflare.com and joan.ns.cloudflare.com.

systemguide.com shares its NS records with other domains, for example logincasino.org, sfahp.com, allmetroplexlandscape.com and two others.

systemguide.com has at least partial name server overlap with other domains, such as goodluckwager.com, siroauto.com.ar, phoenixfastbreakclub.org and two others.

It is common to see these name servers used together with name servers kai.ns.cloudflare.com and grannbo.ns.cloudflare.com.

DNS names with 6 IP addresses:

dexter.ns.cloudflare.com points to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 other IP addresses.

joan.ns.cloudflare.com points to 108.162.192.173, 172.64.32.173, 173.245.58.173 and 3 other IP addresses.

Mail Servers

systemguide.com has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

There is at least a partial MX overlap between systemguide.com and other domains, including o2go.com, eserfitness.com, teamhuman.fm and two others.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com all point to the same IP address — 204.141.43.44.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to 204.141.43.44.