host.off2class.com - dns.ninja

`host.off2class.com`

CNAME	`dualstack.app-297444867.us-east-2.elb.amazonaws.com`
DNSSEC	⚠️ Not signed
A	13.59.52.240^{🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix}
		PTR	`ec2-13-59-52-240.us-east-2.compute.amazonaws.com`
A	18.116.106.109^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
A	18.118.38.111^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}

`off2class.com`

	DNSSEC	⚠️ Not signed
	A	2600:9000:27ce:a00:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:e00:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:1800:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:2000:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:ba00:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:bc00:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:c400:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	2600:9000:27ce:f800:1f:8839:7400:93a1^{🇺🇸 Amazon2600:9000:27ce::/48}
	A	3.167.99.11^{🇺🇸 Amazon3.167.96.0/21}
	A	3.167.99.15^{🇺🇸 Amazon3.167.96.0/21}
	A	3.167.99.21^{🇺🇸 Amazon3.167.96.0/21}
	A	3.167.99.79^{🇺🇸 Amazon3.167.96.0/21}
	NS	`bruce.ns.cloudflare.com` ⭐
	NS	`tess.ns.cloudflare.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`_globalsign-domain-verification=3YuZZGExp0k0uO4yWOXNdJ84UAOEWvsqTLNES-pF74`
	TXT	`google-site-verification=klKv3VUYFIwaGeSsGA1xKYMB84xnwPUfY_91PbXJ2UU`
	TXT	`v=spf1 a mx ip4:67.227.154.154 include:spf.mandrillapp.com include:_spf.googl...`
	HTTPS	HTTP/2, HTTP/3
	SOA	`bruce.ns.cloudflare.com`dns@cloudflare.com serial=2404796056

rank #961285 globally
rank #430012 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #148,636

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DNS History

6 records (1 active, 5 former)

○MXmail.off2class.com2016-12-28 → 2016-12-28 · 2 obs

● 2016-12-28 21:09:54
○ 2026-06-11 09:54:06

○A18.217.67.2322026-06-11 → 2026-06-11 · 1 obs

○ 2026-06-11 09:54:06

○A3.132.46.52026-06-11 → 2026-06-11 · 1 obs

○ 2026-06-11 09:54:06

○A3.134.222.792026-06-11 → 2026-06-11 · 1 obs

○ 2026-06-11 09:54:06

○A67.227.154.1542016-12-28 → 2016-12-28 · 2 obs

● 2016-12-28 21:09:54
○ 2026-06-11 09:54:06

●CNAMEdualstack.app-297444867.us-east-2.elb.amazonaws.com2026-06-11 → 2026-06-11 · 1 obs

● 2026-06-11 09:54:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
off2class.com	tess.ns.cloudflare.com, bruce.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.227

NS records: tess.ns.cloudflare.com, bruce.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for off2class.com (unsigned zone)

⏱️ Timing

Total: 2383ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`dualstack.app-297444867.us-east-2.elb.am`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

host.off2class.com maps to three IP numbers — 13.59.52.240, 18.116.106.109 and 18.118.38.111.

Other host names, such as dualstack.app-297444867.us-east-2.elb.amazonaws.com, share IP numbers with host.off2class.com.