`vvcall.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.sfn.cn` ⭐
		A	111.63.77.29^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
NS	`ns2.sfn.cn`
		A	101.37.119.99^{🇨🇳 Alibaba-Cloud101.37.0.0/17}
		A	111.63.77.30^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
MX	`mx.sina.net` ⭐
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
SOA	`ns1.sfn.cn`root@ns1.sfn.cn 2026-02-23 #22

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034583832

Same first word

vvcall.cn

vvcall.com

Similar names

vvallc.com

DNS History

6 records (3 active, 3 former)

●NSns1.sfn.cn2015-11-07 → 2026-03-25 · 3 obs

○ 2015-06-30 23:05:10
● 2015-11-07 00:58:46
● 2026-03-25 02:59:34

●NSns2.sfn.cn2015-11-07 → 2026-03-25 · 3 obs

○ 2015-06-30 23:05:10
● 2015-11-07 00:58:46
● 2026-03-25 02:59:34

○NSns3.sanfront.com.cn2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 23:05:10
○ 2015-11-07 00:58:46
○ 2026-03-25 02:59:34

○NSns5.sanfront.com.cn2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 23:05:10
○ 2015-11-07 00:58:46
○ 2026-03-25 02:59:34

●MXmx.sina.net2015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 23:05:10
● 2026-03-25 02:59:34

○A59.151.1.1702015-06-30 → 2020-03-04 · 4 obs

● 2015-06-30 23:05:10
● 2020-03-04 23:24:02
○ 2026-02-23 21:58:54
○ 2026-03-25 02:59:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
vvcall.cn	ns1.sfn.cn, ns2.sfn.cn	3 records

✅ Authoritative Response

Server:111.63.77.29

NS records: ns1.sfn.cn, ns2.sfn.cn

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3818ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.sfn.cn, ns2.sfn.cn`
MX	1	`mx.sina.net (pri: 1)`
SOA	1	`ns1.sfn.cn root.ns1.sfn.cn`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)

Analysis

Name Servers

Two name servers ns1.sfn.cn and ns2.sfn.cn are delegated to vvcall.cn.

vvcall.cn uses the same name server configuration as other domains, such as cysy.com.cn, shike.com.cn, bxc.com.cn, tjbc.cn and hoya.com.cn.

vvcall.cn shares name servers with other domains at least partially, for instance syb.ac.cn, boatek.com.cn, xmems.org.cn and oac.com.cn.

Host names by IP count:

Two IP numbers: The host name ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.

One IP number: The host name ns1.sfn.cn points to 111.63.77.29.

Mail Servers

vvcall.cn is handled by a single mail server, mx.sina.net.

vvcall.cn shares the same mail server setup as other domains, including sinaimg.com.cn, applinzi.com, xsnx.com, shrl.com.cn and reggar.com.

vvcall.cn shares mail servers with other domains at least in part, for instance sdbfjd.cn, shilan.sina.net, nmgatcrj.com, sl-pcb.sinanet.com and muantter.com.

These mail servers are commonly used together with mx.sinanet.com and mx.entmail.sina.com.

mx.sina.net points to one IP number: 36.51.254.76.

vvcall.cn - robtex.com

vvcall.cn

cn