outer-nginx.classup.com - dns.ninja

`outer-nginx.classup.com`

	CNAME	`outer-nginx-ue.classup.com`
	CNAME	`alb-r8lf38t7txcm2nnqjv.us-east-1.alb.aliyuncs.com`
	DNSSEC	⚠️ Not signed
	A	47.253.153.236^{🇺🇸 Alibaba-Cloud47.253.128.0/17 Alibaba CLoud}
	A	47.253.157.92^{🇺🇸 Alibaba-Cloud47.253.128.0/17 Alibaba CLoud}

`classup.com`

	DNSSEC	⚠️ Not signed
	A	47.253.153.236^{🇺🇸 Alibaba-Cloud47.253.128.0/17 Alibaba CLoud}
	NS	`ns-1147.awsdns-15.org` ⭐
	NS	`ns-1679.awsdns-17.co.uk`
	NS	`ns-362.awsdns-45.com`
	NS	`ns-725.awsdns-26.net`
	MX	`m1.feishu.cn` ⭐
	TXT	`google-site-verification=0gCgDup2dYPstT5Xvuw1qIXxrqYxNrwaNSGjfiVQ0Aw`
	TXT	`google-site-verification=p8oMkUZaBAsjG020azVS7bJaNhFHIuOxhYAV3ZtnRqU`
	TXT	`google-site-verification=wprnSbDIDZmxWMmj29bGTwRR2waNqPdebi8Z6lpRaWo`
	TXT	`v=spf1 +include:_netblocks.m.feishu.cn +include:classup.com ~all`
	SOA	`ns-1147.awsdns-15.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (60/100)
📈 Tranco rank: #162,790

DNS History

1 record (1 active, 0 former)

●CNAMEouter-nginx-ue.classup.com2026-07-10 → 2026-07-10 · 2 obs

● 2026-07-10 19:56:44
● 2026-07-10 20:04:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classup.com	ns-725.awsdns-26.net, ns-362.awsdns-45.com, ns-1679.awsdns-17.co.uk, ns-1147.awsdns-15.org	2 records
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-
classup.com	ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net	-

✅ Authoritative Response

Server:205.251.193.106

NS records: ns-1147.awsdns-15.org, ns-1679.awsdns-17.co.uk, ns-362.awsdns-45.com, ns-725.awsdns-26.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classup.com (unsigned zone)

⏱️ Timing

Total: 429ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`outer-nginx-ue.classup.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-362.awsdns-45.com, ns-362.awsdns-45.com)

Analysis

IP Addresses

outer-nginx.classup.com has two IP addresses: 47.253.153.236 and 47.253.157.92

classup.com and alb-r8lf38t7txcm2nnqjv.us-east-1.alb.aliyuncs.com are among other host names that share IP numbers with outer-nginx.classup.com.