itopclass.com - dns.ninja

`itopclass.com`

DNSSEC	⚠️ Not signed
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 mx a ip4:10.130.33.201 ip4:139.59.193.116 ~all`
TXT	`google-site-verification=B-3942utCAYo76XyFknZne1POrhYS3ayjJjP4QMagYk`
SOA	`ns1.digitalocean.com`hostmaster@itopclass.com serial=0

`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=1786164939

WOT: UNKNOWN (43/100)

Subdomains

www.itopclass.com

Same first word

itopclass.com

Similar names

DNS History

12 records (8 active, 4 former)

●NSns1.digitalocean.com2017-08-08 → 2026-08-08 · 3 obs

○ 2016-04-27 13:20:24
● 2017-08-08 02:07:28
● 2026-08-08 05:20:12

●NSns2.digitalocean.com2017-08-08 → 2026-08-08 · 3 obs

○ 2016-04-27 13:20:24
● 2017-08-08 02:07:28
● 2026-08-08 05:20:12

●NSns3.digitalocean.com2017-08-08 → 2026-08-08 · 3 obs

○ 2016-04-27 13:20:24
● 2017-08-08 02:07:28
● 2026-08-08 05:20:12

○NStotalbizdev6.theiconweb.com2015-06-24 → 2016-04-27 · 4 obs

● 2015-06-24 08:11:56
● 2016-04-27 13:20:24
○ 2017-08-08 02:07:28
○ 2026-08-08 05:20:12

●MXalt1.aspmx.l.google.com2026-02-25 → 2026-08-08 · 3 obs

○ 2017-08-08 02:07:28
● 2026-02-25 09:26:32
● 2026-08-08 05:20:12

●MXalt2.aspmx.l.google.com2026-02-25 → 2026-08-08 · 3 obs

○ 2017-08-08 02:07:28
● 2026-02-25 09:26:32
● 2026-08-08 05:20:12

●MXalt3.aspmx.l.google.com2026-02-25 → 2026-08-08 · 3 obs

○ 2017-08-08 02:07:28
● 2026-02-25 09:26:32
● 2026-08-08 05:20:12

●MXalt4.aspmx.l.google.com2026-02-25 → 2026-08-08 · 3 obs

○ 2017-08-08 02:07:28
● 2026-02-25 09:26:32
● 2026-08-08 05:20:12

●MXaspmx.l.google.com2026-02-25 → 2026-08-08 · 3 obs

○ 2017-08-08 02:07:28
● 2026-02-25 09:26:32
● 2026-08-08 05:20:12

○MXmail.itopclass.com2015-06-24 → 2017-08-08 · 4 obs

● 2015-06-24 08:11:56
● 2017-08-08 02:07:28
○ 2026-02-25 09:26:32
○ 2026-08-08 05:20:12

○A122.155.0.2312015-06-24 → 2016-04-27 · 4 obs

● 2015-06-24 08:11:56
● 2016-04-27 13:20:24
○ 2017-08-08 02:07:28
○ 2026-08-08 05:20:12

○A139.59.193.1162017-08-08 → 2017-08-08 · 4 obs

○ 2016-04-27 13:20:24
● 2017-08-08 02:07:28
○ 2026-02-25 09:26:32
○ 2026-08-08 05:20:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
itopclass.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.53.21

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itopclass.com (unsigned zone)

⏱️ Timing

Total: 202ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.digitalocean.com, ns1.digitalocean.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`v=spf1 mx a ip4:10.130.33.201 ip4:139.59, google-site-verification=B-3942utCAYo76X`
SOA	1	`ns1.digitalocean.com hostmaster.itopclas`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Hierarchy

itopclass.com is a parent domain of www.itopclass.com.

Name Servers

itopclass.com has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

itopclass.com shares at least some of its name servers with other domains, including cosmicsands.com, dody.com, triboconcursos.com.br and two others.

Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

Mail for itopclass.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by itopclass.com are shared with other domains: scrm.co.kr, iniciativa.pe, dlys-couleurs.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 172.253.139.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.