srcb.com - dns.ninja
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=1781451760 | ||||||
rank #109067 in the tld
📈 Tranco rank: #459,542
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSans1.zdnscloud.net2026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 17:03:42
● 2026-06-14 15:46:58
●NSans2.zdnscloud.biz2026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 17:03:42
● 2026-06-14 15:46:58
○NSdns29.hichina.com2015-08-01 → 2020-11-26 · 4 obs
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-06-14 15:46:58
○NSdns30.hichina.com2015-08-01 → 2020-11-26 · 4 obs
● 2020-11-26 12:39:58
○ 2026-02-19 17:03:42
○ 2026-06-14 15:46:58
●MXmailgateway.srcb.com2015-08-01 → 2026-06-14 · 5 obs
● 2026-06-11 05:12:02
○ 2026-06-13 13:41:16
● 2026-06-13 17:13:14
● 2026-06-14 15:46:58
●MXmailgateway02.srcb.com2020-11-26 → 2026-06-14 · 6 obs
● 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 15:46:58
●A219.233.79.112015-08-01 → 2026-06-14 · 5 obs
● 2026-06-11 05:12:02
○ 2026-06-13 13:41:16
● 2026-06-13 17:13:14
● 2026-06-14 15:46:58
●A222.73.150.112015-08-01 → 2026-06-14 · 5 obs
● 2026-06-11 05:12:02
○ 2026-06-13 13:41:16
● 2026-06-13 17:13:14
● 2026-06-14 15:46:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.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: 3077ms | 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.
The DNS delegation for srcb.com at least partly coincides with that of other domains, grgt.net being one example.
These name servers are routinely deployed together with the name servers ns13.xincache.com.
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.