srcb.com - robtex.com
srcb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.233.79.11🇨🇳 CNNIC-CN-COLNET219.233.64.0/18 | ||||||
| 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.netmail@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.netnstld@verisign-grs.com serial=1778369671 | ||||||
rank #112040 in the tld
📈 Tranco rank: #478,945
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSans1.zdnscloud.net2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 17:03:42
● 2026-05-09 23:39:16
●NSans2.zdnscloud.biz2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 17:03:42
● 2026-05-09 23:39:16
○NSdns29.hichina.com2015-08-01 → 2020-11-26 · 4 obs
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-05-09 23:39:16
○NSdns30.hichina.com2015-08-01 → 2020-11-26 · 4 obs
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-05-09 23:39:16
●MXmailgateway.srcb.com2015-08-01 → 2026-05-09 · 2 obs
● 2026-05-09 23:39:16
●MXmailgateway02.srcb.com2020-11-26 → 2026-05-09 · 3 obs
● 2020-11-26 12:39:58
● 2026-05-09 23:39:16
●A219.233.79.112015-08-01 → 2026-05-09 · 2 obs
● 2026-05-09 23:39:16
●A222.73.150.112015-08-01 → 2026-05-09 · 2 obs
● 2026-05-09 23:39:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| srcb.com | ans2.zdnscloud.biz, ans1.zdnscloud.net | - |
✅ Authoritative Response
Server:14.116.247.221
NS records: ans2.zdnscloud.biz, ans1.zdnscloud.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for srcb.com (unsigned zone)
⏱️ Timing
Total: 1003ms | 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
srcb.com is the parent of ns13.srcb.com, ns14.srcb.com, en.srcb.com, ns12.srcb.com, ns11.srcb.com and a few other host names.
IP Addresses
Two IP numbers are pointed to by srcb.com: 219.233.79.11 and 222.73.150.11.
Other host names, for instance exweb.gslb.srcb.com, share IP numbers with srcb.com.
Name Servers
Two name servers ans2.zdnscloud.biz and ans1.zdnscloud.net handle the delegation for srcb.com.
srcb.com shares the same name server setup as other domains, for instance sd-tobacco.com.cn, carizon.com, grzq.com, shrcb.com and ajzq.com.
srcb.com shares name servers with other domains at least partially, for example grgt.net.
These name servers are commonly used alongside ns13.xincache.com.
Host names with four IP numbers:
ans2.zdnscloud.biz points to: 2408:8719:2500:0:e::48, 2409:8700:2442:261::46, 119.167.244.48 and 223.72.199.46.
ans1.zdnscloud.net points to: 2401:8d00:3:9::237, 240e:97c:3c:810::221, 14.116.247.221 and 203.99.30.237.
Mail Servers
srcb.com is handled by two mail servers: mailgateway02.srcb.com and mailgateway.srcb.com.