`systemsguide.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:54f2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:c768^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.242^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.104^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.242, 172.67.199.104
		IPv6 hints	2606:4700:3031::6815:54f2, 2606:4700:3034::ac43:c768
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409120656

`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=1784380052

Same first word

systemsguide.com

systemsguide.info

Similar names

systemguides.com

guidesystems.com

DNS History

18 records (6 active, 12 former)

○NSns1.cmpnet.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 10:45:44
○ 2015-05-31 22:28:30
○ 2026-07-18 13:20:02

○NSns1.ubm-us.net2015-05-31 → 2016-09-07 · 5 obs

○ 2007-10-28 10:45:44
● 2015-05-31 22:28:30
● 2016-09-07 16:05:46
○ 2017-06-05 20:46:48
○ 2026-07-18 13:20:02

●NSns1.ubmdns.com2026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

○NSns1.ubmits.com2017-06-05 → 2017-06-05 · 4 obs

○ 2016-09-07 16:05:46
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

○NSns2.cmpnet.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 10:45:44
○ 2015-05-31 22:28:30
○ 2026-07-18 13:20:02

○NSns2.ubm-us.net2015-05-31 → 2016-09-07 · 5 obs

○ 2007-10-28 10:45:44
● 2015-05-31 22:28:30
● 2016-09-07 16:05:46
○ 2017-06-05 20:46:48
○ 2026-07-18 13:20:02

●NSns2.ubmdns.com2026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

○NSns2.ubmits.com2017-06-05 → 2017-06-05 · 4 obs

○ 2016-09-07 16:05:46
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

○NSns3.ubm-us.net2015-05-31 → 2016-09-07 · 5 obs

○ 2007-10-28 10:45:44
● 2015-05-31 22:28:30
● 2016-09-07 16:05:46
○ 2017-06-05 20:46:48
○ 2026-07-18 13:20:02

○NSns3.ubmits.com2017-06-05 → 2017-06-05 · 4 obs

○ 2016-09-07 16:05:46
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

○MXmailhost.mfi.com2007-10-28 → 2017-06-05 · 4 obs

● 2007-10-28 10:45:44
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

●A104.21.84.2422026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

●A172.67.199.1042026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

○A192.155.48.932015-05-31 → 2017-06-05 · 5 obs

○ 2007-10-28 10:45:44
● 2015-05-31 22:28:30
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

●A2606:4700:3031::6815:54f22026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

●A2606:4700:3034::ac43:c7682026-07-13 → 2026-07-18 · 3 obs

○ 2017-06-05 20:46:48
● 2026-07-13 11:16:00
● 2026-07-18 13:20:02

○A2620:103::192:155:48:932015-05-31 → 2017-06-05 · 5 obs

○ 2007-10-28 10:45:44
● 2015-05-31 22:28:30
● 2017-06-05 20:46:48
○ 2026-07-13 11:16:00
○ 2026-07-18 13:20:02

○A66.77.27.742007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 10:45:44
○ 2015-05-31 22:28:30
○ 2026-07-18 13:20:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
systemsguide.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.0.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 241ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.104, 104.21.84.242`
AAAA	2	`2606:4700:3034::ac43:c768, 2606:4700:3031::6815:54f2`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)

Analysis

IP Addresses

systemsguide.com directs to four IP numbers, which are 104.21.84.242, 172.67.199.104, 2606:4700:3031::6815:54f2 and 2606:4700:3034::ac43:c768.

Among the host names that share IP numbers with systemsguide.com are cqglgm.com, melbetapk.com, emlaktap.az and two others.

Name Servers

systemsguide.com has two authoritative name servers — ns1.ubmdns.com and ns2.ubmdns.com.

systemsguide.com has the same name server delegation as a number of other domains, such as pharmacychampions.co.uk, salonssanteautonomie.com, mmi-pharmindex-plus.de and two more.

Both ns1.ubmdns.com and ns2.ubmdns.com have two IP addresses each. ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0; ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.

systemsguide.com - robtex.com