srcb.com - dns.ninja

`srcb.com`

DNSSEC	⚠️ Not signed
A	219.233.79.11^{🇨🇳 CNNIC-CN-COLNET219.233.64.0/18 CMI IP Transit}
		PTR	`reserve.cableplus.com.cn`
A	222.73.150.11^{🇨🇳 SHANGHAITELECOM222.73.150.0/24 SHIDC}
NS	`ans1.zdnscloud.net` ⭐
		A	2401:8d00:3:9::237^{🇨🇳 ZDNS2401:8d00:3::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.}
		A	240e:97c:3c:810::221^{🇨🇳 CHINANET-Guangdong-GuangZhou-IDC240e:97c::/36 GuangZhou IDC Network}
		A	14.116.247.221^{🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network}
		A	203.99.30.237^{🇨🇳 ZDNS203.99.30.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.}
NS	`ans2.zdnscloud.biz`
		A	2408:8719:2500:0:e::48^{🇨🇳 CHINA169-Backbone2408:8719::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	2409:8700:2442:261::46^{🇨🇳 CMNET-BEIJING-AP2409:8700::/32 CMI (Customer Route)}
		A	119.167.244.48^{🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network}
		A	223.72.199.46^{🇨🇳 CMNET-BEIJING-AP223.72.199.0/24 CMI (Customer Route)}
MX	`mailgateway02.srcb.com` ⭐
MX	`mailgateway.srcb.com`⁽¹⁰⁾
TXT	`3500b7p3762gwpb5sm9xkg66tc1zq3vq`
TXT	`5tp4tyyy7f6n607ldcct02bdz5lcz1zn`
TXT	`v=spf1 ip4:61.129.93.104 ip4:61.129.93.105 ip4:211.95.40.185 ip4:211.95.40.18...`
SOA	`ans1.zdnscloud.net`mail@knet.cn serial=1240

`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=1785936594

rank #232222 globally
rank #97225 in the tld
📈 Tranco rank: #533,529

Subdomains

ns13.srcb.com

ns14.srcb.com

en.srcb.com

ns12.srcb.com

ns11.srcb.com

gslb.srcb.com

Same first word

srcb.ro

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DNS History

8 records (6 active, 2 former)

●NSans1.zdnscloud.net2026-02-19 → 2026-08-05 · 3 obs

○ 2020-11-26 12:39:58
● 2026-02-19 17:03:42
● 2026-08-05 13:33:00

●NSans2.zdnscloud.biz2026-02-19 → 2026-08-05 · 3 obs

○ 2020-11-26 12:39:58
● 2026-02-19 17:03:42
● 2026-08-05 13:33:00

○NSdns29.hichina.com2015-08-01 → 2020-11-26 · 4 obs

● 2015-08-01 19:24:18
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-08-05 13:33:00

○NSdns30.hichina.com2015-08-01 → 2020-11-26 · 4 obs

● 2015-08-01 19:24:18
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-08-05 13:33:00

●MXmailgateway.srcb.com2015-08-01 → 2026-08-05 · 10 obs

● 2015-08-01 19:24:18
● 2026-06-11 05:12:02
○ 2026-06-13 13:41:16
● 2026-06-13 17:13:14
● 2026-06-14 15:46:54
○ 2026-06-14 17:28:30
● 2026-06-22 07:21:24
○ 2026-07-12 12:56:38
● 2026-07-13 10:18:58
● 2026-08-05 13:33:00

●MXmailgateway02.srcb.com2020-11-26 → 2026-08-05 · 11 obs

○ 2015-08-01 19:24:18
● 2020-11-26 12:39:58
● 2026-06-11 05:12:02
○ 2026-06-13 13:41:16
● 2026-06-13 17:13:14
● 2026-06-14 15:46:54
○ 2026-06-14 17:28:30
● 2026-06-22 07:21:24
○ 2026-07-12 12:56:38
● 2026-07-13 10:18:58
● 2026-08-05 13:33:00

●A219.233.79.112015-08-01 → 2026-08-05 · 10 obs

●A222.73.150.112015-08-01 → 2026-08-05 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
srcb.com	ans2.zdnscloud.biz, ans1.zdnscloud.net	-

✅ Authoritative Response

Server:119.167.244.48

NS records: ans2.zdnscloud.biz, ans1.zdnscloud.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for srcb.com (unsigned zone)

⏱️ Timing

Total: 4071ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`219.233.79.11, 222.73.150.11`
NS	2	`ans1.zdnscloud.net, ans2.zdnscloud.biz`
MX	2	`mailgateway.srcb.com (pri: 5), mailgateway02.srcb.com (pri: 10)`
TXT	3	`3500b7p3762gwpb5sm9xkg66tc1zq3vq, 5tp4tyyy7f6n607ldcct02bdz5lcz1zn...`
SOA	1	`ans1.zdnscloud.net mail.knet.cn`

Analysis

Hierarchy

Among the subdomains of srcb.com are ns13.srcb.com, ns14.srcb.com, en.srcb.com, ns12.srcb.com, ns11.srcb.com and a few other host names.

IP Addresses

srcb.com points to the IP addresses 219.233.79.11 and 222.73.150.11

Other host names share IP numbers with srcb.com; exweb.gslb.srcb.com is one such example.

Name Servers

srcb.com is served by two delegated name servers, ans2.zdnscloud.biz and ans1.zdnscloud.net.

The name server configuration of srcb.com is shared with other domains, for instance carizon.work, sd-tobacco.com.cn, carizon.com and two others.

Hosts ans2.zdnscloud.biz and ans1.zdnscloud.net each point to four IP addresses: ans2.zdnscloud.biz resolves to 119.167.244.48, 223.72.199.46, 2408:8719:2500:0:e::48 and 2409:8700:2442:261::46, and ans1.zdnscloud.net resolves to 14.116.247.221, 203.99.30.237, 2401:8d00:3:9::237 and 240e:97c:3c:810::221.

Mail Servers

srcb.com uses two mail servers, mailgateway02.srcb.com and mailgateway.srcb.com.