`costdns.com`

DNSSEC	🔒 Signed (DS record present)
NS	`vip7.alidns.com` ⭐
		A	2408:4009:500::7^{🇨🇳 Alibaba-Cloud}
		A	8.212.93.7^{🇭🇰 Alibaba_Cloud_SEC}
		A	47.88.82.208^{🇺🇸 Alibaba-Cloud}
		A	47.253.24.27^{🇺🇸 Alibaba-Cloud}
		A	47.254.160.176^{🇩🇪 Alibaba-Cloud}
		A	140.205.1.13^{🇨🇳 Alibaba-Cloud}
		A	170.33.32.214^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.80.14^{🇸🇬 Alibaba_Cloud_SEC}
NS	`vip8.alidns.com`
		A	2408:4009:500::8^{🇨🇳 Alibaba-Cloud}
		A	8.212.93.8^{🇭🇰 Alibaba_Cloud_SEC}
		A	47.88.82.209^{🇺🇸 Alibaba-Cloud}
		A	47.253.24.28^{🇺🇸 Alibaba-Cloud}
		A	47.254.160.177^{🇩🇪 Alibaba-Cloud}
		A	140.205.1.14^{🇨🇳 Alibaba-Cloud}
		A	170.33.32.215^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.80.15^{🇸🇬 Alibaba_Cloud_SEC}
SOA	`vip7.alidns.com`hostmaster@hichina.com 2025-12-10 #11

`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

Up

4o1t7qsgv9boxmtm.costdns.com

jxhy7sxliwwwcnt6.costdns.com

uvzygizhz1ep3i8o.costdns.com

qmxepy8gbgdt1gze.costdns.com

lguhcnnbgmiy0mxc.costdns.com

3cifzemgktrxft22.costdns.com

Same first word

costdns.com

Similar names

ntsdocs.com

sdconst.co.kr

sdconst.com

DNS History

2 records (2 active, 0 former)

●NSvip7.alidns.com2026-02-21 → 2026-02-21 · 2 obs

● 2026-02-21 17:53:06
● 2026-02-21 17:53:08

●NSvip8.alidns.com2026-02-21 → 2026-02-21 · 2 obs

● 2026-02-21 17:53:06
● 2026-02-21 17:53:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
costdns.com	vip7.alidns.com, vip8.alidns.com	24 records

✅ Authoritative Response

Server: 121.40.6.168

NS records: vip7.alidns.com, vip8.alidns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 793ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip8.alidns.com, vip7.alidns.com`
SOA	1	`vip7.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 24

Out-of-bailiwick: 24 (vip7.alidns.com, vip7.alidns.com, vip7.alidns.com...)

AI analysis

costdns.com is the parent of 4o1t7qsgv9boxmtm.costdns.com, jxhy7sxliwwwcnt6.costdns.com, uvzygizhz1ep3i8o.costdns.com, qmxepy8gbgdt1gze.costdns.com, lguhcnnbgmiy0mxc.costdns.com and a few other host names.

costdns.com is delegated to two name servers vip7.alidns.com and vip8.alidns.com.

costdns.com shares the same name server setup as other domains, for instance 05p999.com, 770101.com, gtm-i2d2.com, 0d6929dc9c1f9b20.com and 98523.cn.

costdns.com at least partially shares name servers with other domains, for instance 1234881ac0.shop, 666449.com, lwhbj-cmd.com and 9898655wtz1.shop.

These name servers are commonly used alongside ns7.alidns.com and ns8.alidns.com.

Host names with eight IP numbers:

vip7.alidns.com points to: 2408:4009:500::7, 8.212.93.7, 47.88.82.208, 47.253.24.27, 47.254.160.176, 140.205.1.13, 170.33.32.214 and 170.33.80.14

vip8.alidns.com points to: 2408:4009:500::8, 8.212.93.8, 47.88.82.209, 47.253.24.28, 47.254.160.177, 140.205.1.14, 170.33.32.215 and 170.33.80.15

costdns.com - robtex.com

costdns.com

com

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