certuscore.com - dns.ninja

`certuscore.com`

DNSSEC	⚠️ Not signed
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`jaxson.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cdd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaxson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaxson.ns.cloudflare.com`
		A	108.162.195.221^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	162.159.44.221^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
		A	172.64.35.221^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaxson.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=WeZlI5WCiOoKhS1vLaIqiU-5ruZuXUWNJPxWmMBP5HE`
TXT	`v=spf1 include:_spf.google.com -all`
SOA	`jaxson.ns.cloudflare.com`dns@cloudflare.com serial=2409984201

`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=1785940794

Same first word

certuscore.com

Similar names

ctresource.com.sg

coursecert.com

sourcecert.xyz

DNS History

8 records (8 active, 0 former)

●NSjaxson.ns.cloudflare.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●NSsarah.ns.cloudflare.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●MXalt1.aspmx.l.google.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●MXalt2.aspmx.l.google.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●MXalt3.aspmx.l.google.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●MXalt4.aspmx.l.google.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●MXaspmx.l.google.com2026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

●A198.202.211.12026-06-03 → 2026-08-05 · 2 obs

● 2026-06-03 05:50:06
● 2026-08-05 15:04:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certuscore.com	sarah.ns.cloudflare.com, jaxson.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.218

NS records: sarah.ns.cloudflare.com, jaxson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certuscore.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	2	`jaxson.ns.cloudflare.com, sarah.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=WeZlI5WCiOoKhS1, v=spf1 include:_spf.google.com -all`
SOA	1	`jaxson.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

certuscore.com directs to one IP number, which is 198.202.211.1.

Among the host names that share IP numbers with certuscore.com are iws-hi.com, aiido.com, hansadata.com and two others.

Name Servers

Two name servers handle the delegation for certuscore.com: jaxson.ns.cloudflare.com and sarah.ns.cloudflare.com.

certuscore.com has the same name server delegation as a number of other domains, such as map-idevice.online, livemap-device.app, wondr.io and two more.

certuscore.com partially shares its NS delegation with several other domains, including lisaemarkmd.com, access.sb, axz.co.uk and two others.

In DNS configurations, these name servers often share authority with tricia.ns.cloudflare.com, agustin.ns.cloudflare.com, malcolm.ns.cloudflare.com and 5 other name servers.

Host names resolving to 6 IP numbers:

jaxson.ns.cloudflare.com resolves to 108.162.195.221, 162.159.44.221 and 172.64.35.221 among others, with 3 other IP addresses in total.

sarah.ns.cloudflare.com resolves to 108.162.194.218, 162.159.38.218 and 172.64.34.218 among others, with 3 other IP addresses in total.

Mail Servers

certuscore.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

certuscore.com shares at least some of its mail servers with other domains — for example vnreview.vn, mightyhouseconstruction.com, ashwooddata.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to two addresses: 173.194.45.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.