`classnetworks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ba56^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:442b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.43^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.86^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sage.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sage.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sage.ns.cloudflare.com`
		A	108.162.195.236^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	162.159.44.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	172.64.35.236^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
NS	`sunny.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sunny.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sunny.ns.cloudflare.com`
		A	108.162.194.166^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	162.159.38.166^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
		A	172.64.34.166^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sunny.ns.cloudflare.com`
MX	`eu-smtp-inbound-1.mimecast.com` ⭐
		A	91.220.42.201^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
MX	`eu-smtp-inbound-2.mimecast.com` ⭐
		A	91.220.42.201^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
TXT	`0ed1fe018a49bc158722304c84a01cc177c23cae36`
TXT	`6havq7umnncnpn5b5r2e4pf6gr`
TXT	`@docusign=ece4dd7e-4e22-4f23-aba5-6729a8f671a4`
TXT	`MS=ms64244291`
TXT	`apple-domain-verification=JjUu07n0q2G5QePy`
TXT	`biej82lkbcs6p5i47n04vfjadh`
TXT	`google-site-verification=Ig-ajlwVhEMdp7y9YcnJPday-E01UeWdlVuKtyWDEf8`
TXT	`m3oae6ms95tpr1gpdjo52ku47s`
TXT	`nl7i5bdpuiqehs8q3vu68o2ni4`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.uk.exclaimer.net includ...`
TXT	`vpe=f6550f2f`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.68.43, 172.67.186.86
		IPv6	2606:4700:3035::ac43:ba56, 2606:4700:3036::6815:442b
SOA	`sage.ns.cloudflare.com`dns@cloudflare.com serial=2399320271

`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=1771291435

Subdomains

www.classnetworks.com

Same first word

classnetworks.com

DNS History

14 records (8 active, 6 former)

○NSdns0.easily.co.uk2015-06-07 → 2017-12-24 · 4 obs

● 2015-06-07 22:53:24
● 2017-12-24 11:17:16
○ 2026-02-15 09:31:42
○ 2026-03-21 09:56:06

○NSdns1.easily.co.uk2015-06-07 → 2017-12-24 · 4 obs

● 2015-06-07 22:53:24
● 2017-12-24 11:17:16
○ 2026-02-15 09:31:42
○ 2026-03-21 09:56:06

●NSsage.ns.cloudflare.com2026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

●NSsunny.ns.cloudflare.com2026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

○MXcluster4.eu.messagelabs.com2015-06-07 → 2017-12-24 · 4 obs

● 2015-06-07 22:53:24
● 2017-12-24 11:17:16
○ 2026-02-15 09:31:42
○ 2026-03-21 09:56:06

○MXcluster4a.eu.messagelabs.com2015-06-07 → 2017-12-24 · 4 obs

● 2015-06-07 22:53:24
● 2017-12-24 11:17:16
○ 2026-02-15 09:31:42
○ 2026-03-21 09:56:06

●MXeu-smtp-inbound-1.mimecast.com2026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

●MXeu-smtp-inbound-2.mimecast.com2026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

●A104.21.68.432026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

●A172.67.186.862026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

○A174.129.25.1702017-12-24 → 2017-12-24 · 4 obs

○ 2016-12-24 12:40:42
● 2017-12-24 11:17:16
○ 2026-02-15 09:31:42
○ 2026-03-21 09:56:06

○A185.53.172.2392015-06-07 → 2016-12-24 · 4 obs

● 2015-06-07 22:53:24
● 2016-12-24 12:40:42
○ 2017-12-24 11:17:16
○ 2026-03-21 09:56:06

●A2606:4700:3035::ac43:ba562026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

●A2606:4700:3036::6815:442b2026-02-15 → 2026-03-21 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-03-21 09:56:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classnetworks.com	sunny.ns.cloudflare.com, sage.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.166

NS records: sunny.ns.cloudflare.com, sage.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnetworks.com (unsigned zone)

⏱️ Timing

Total: 458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.43, 172.67.186.86`
AAAA	2	`2606:4700:3036::6815:442b, 2606:4700:3035::ac43:ba56`
NS	2	`sage.ns.cloudflare.com, sunny.ns.cloudflare.com`
MX	2	`eu-smtp-inbound-1.mimecast.com (pri: 10), eu-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	11	`0ed1fe018a49bc158722304c84a01cc177c23cae, 6havq7umnncnpn5b5r2e4pf6gr...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sage.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of www.classnetworks.com is classnetworks.com.

IP Addresses

classnetworks.com maps to four IP numbers: 2606:4700:3035::ac43:ba56, 2606:4700:3036::6815:442b, 104.21.68.43 and 172.67.186.86.

Other host names, for instance annuncitravescortitalia.it, elle-c.com, www.classnetworks.com, 303cc.cc and pokiesqld.com share IP numbers with classnetworks.com.

Name Servers

Two name servers sage.ns.cloudflare.com and sunny.ns.cloudflare.com handle delegation for classnetworks.com.

classnetworks.com uses the same name server setup as other domains, for example integratedbsl.com, pinkconnect.com, yorka.com.tr, serverhost.xyz and ticcomms.co.uk.

classnetworks.com partially shares name servers with other domains; examples include rizhaocha.com.cn, idccs.cn, ydze.cn, plumflower.com.cn and agnosticwan.com.

These name servers commonly accompany blakely.ns.cloudflare.com, sullivan.ns.cloudflare.com, ricardo.ns.cloudflare.com and tanner.ns.cloudflare.com.

Host names with six IP numbers: sage.ns.cloudflare.com points to: 2606:4700:58::a29f:2cec, 2803:f800:50::6ca2:c3ec, 2a06:98c1:50::ac40:23ec, 108.162.195.236, 162.159.44.236 and 172.64.35.236; sunny.ns.cloudflare.com points to: 2606:4700:50::a29f:26a6, 2803:f800:50::6ca2:c2a6, 2a06:98c1:50::ac40:22a6, 108.162.194.166, 162.159.38.166 and 172.64.34.166.

Mail Servers

classnetworks.com is handled by two mail servers: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

classnetworks.com has the same mail server setup as other domains, including ggbmagazine.com, oneworldadvanced.com, mizuno.eu, witanstudios.co.uk and ecgl.ca.

classnetworks.com shares some mail servers with other domains, at least partially, such as ukmba.org, anana.biz, fleethotspot.com, kingstonsmithw1.co.uk and alfmeier.cz.