classnetworks.com - dns.ninja

`classnetworks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ba56^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:442b^{🇺🇸 Cloudflare2606:4700:3034::/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 hints	104.21.68.43, 172.67.186.86
		IPv6 hints	2606:4700:3030::ac43:ba56, 2606:4700:3034::6815:442b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=149, name=cloudflare-ech.com
SOA	`sage.ns.cloudflare.com`dns@cloudflare.com serial=2408980736

`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=1785837792

Subdomains

www.classnetworks.com

Same first word

classnetworks.com

DNS History

16 records (8 active, 8 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
○ 2026-08-04 10:11:54

○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
○ 2026-08-04 10:11:54

●NSsage.ns.cloudflare.com2026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

●NSsunny.ns.cloudflare.com2026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

○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
○ 2026-08-04 10:11:54

○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
○ 2026-08-04 10:11:54

●MXeu-smtp-inbound-1.mimecast.com2026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

●MXeu-smtp-inbound-2.mimecast.com2026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

●A104.21.68.432026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

●A172.67.186.862026-02-15 → 2026-08-04 · 3 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-08-04 10:11:54

○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
○ 2026-08-04 10:11:54

○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
○ 2026-08-04 10:11:54

●A2606:4700:3030::ac43:ba562026-07-04 → 2026-08-04 · 3 obs

○ 2026-05-25 15:27:16
● 2026-07-04 21:06:32
● 2026-08-04 10:11:54

●A2606:4700:3034::6815:442b2026-07-04 → 2026-08-04 · 3 obs

○ 2026-05-25 15:27:16
● 2026-07-04 21:06:32
● 2026-08-04 10:11:54

○A2606:4700:3035::ac43:ba562026-02-15 → 2026-05-25 · 5 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-05-25 15:27:16
○ 2026-07-04 21:06:32
○ 2026-08-04 10:11:54

○A2606:4700:3036::6815:442b2026-02-15 → 2026-05-25 · 5 obs

○ 2017-12-24 11:17:16
● 2026-02-15 09:31:42
● 2026-05-25 15:27:16
○ 2026-07-04 21:06:32
○ 2026-08-04 10:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
classnetworks.com	sunny.ns.cloudflare.com, sage.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.236

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: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.68.43, 172.67.186.86`
AAAA	2	`2606:4700:3030::ac43:ba56, 2606:4700:3034::6815:442b`
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 domain www.classnetworks.com falls under the parent classnetworks.com.

IP Addresses

classnetworks.com points to the four IP addresses 104.21.68.43, 172.67.186.86, 2606:4700:3030::ac43:ba56 and 2606:4700:3034::6815:442b.

Additional host names — annuncitravescortitalia.it, ckr.hu, bharati.info and two others — share IP numbers with classnetworks.com.

Name Servers

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

classnetworks.com shares its name server setup with other domains, including integratedbsl.com, pinkconnect.com, yorka.com.tr and two others.

At least some of classnetworks.com's name servers are shared with other domains, for example banafjkzol.ru, cngoodok.org, 887bet45.com and two more.

These name servers tend to be deployed in combination with the name servers sullivan.ns.cloudflare.com and macy.ns.cloudflare.com.

Host names with 6 IP numbers:

sage.ns.cloudflare.com resolves to 108.162.195.236, 162.159.44.236 and 172.64.35.236 among others, with 3 other IP addresses in total.

sunny.ns.cloudflare.com resolves to 108.162.194.166, 162.159.38.166 and 172.64.34.166 among others, with 3 other IP addresses in total.

Mail Servers

classnetworks.com has two mail servers: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

classnetworks.com shares the same mail server setup as other domains, including ggbmagazine.com, oneworldadvanced.com, mizuno.eu and two others.

classnetworks.com shares mail servers — at least in part — with other domains, including ukmba.org, fleethotspot.com, kingstonsmithw1.co.uk and two others.

Host names with 6 IP numbers:

eu-smtp-inbound-1.mimecast.com resolves to 91.220.42.201, 91.220.42.211 and 91.220.42.241 among others, with 3 other IP addresses in total.

eu-smtp-inbound-2.mimecast.com resolves to 91.220.42.201, 91.220.42.211 and 91.220.42.241 among others, with 3 other IP addresses in total.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 91.220.42.201 IP addresses.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 91.220.42.211 IP addresses.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 91.220.42.241 IP addresses.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 195.130.217.201 IP addresses.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 195.130.217.211 IP addresses.

eu-smtp-inbound-1.mimecast.com along with eu-smtp-inbound-2.mimecast.com each resolve to 195.130.217.241 IP addresses.