fostechbs.com - robtex.com
fostechbs.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | main2.ns365.net ⭐ | ||||||
| A | 211.147.245.4🇨🇳 CHINANET-Guangdong-GuangZhou-MAN211.147.240.0/20 World Crossing Telecom(GuangZhou) Ltd. -GZMAN-STATIC | ||||||
| NS | ns5.gzidc.com | ||||||
| A | 124.173.109.211🇨🇳 CHINANET-Guangdong-FoShan-IDC124.173.96.0/19 Jinwanbangkejitouziyouxiangongsi - FSIDC-Static multicast | ||||||
| NS | ns6.gzidc.com | ||||||
| A | 124.173.109.206🇨🇳 CHINANET-Guangdong-FoShan-IDC124.173.96.0/19 Jinwanbangkejitouziyouxiangongsi - FSIDC-Static multicast | ||||||
| MX | mx1.zmail300.cn ⭐ | ||||||
| A | 117.50.175.134🇨🇳 CHINA169-BJ117.50.160.0/19 China Telecom Beijing Co. Ltd. | ||||||
| PTR | 51xgm.com | ||||||
| PTR | hhseek.com | ||||||
| MX | mx.zmail300.cn(50) | ||||||
| A | 101.237.133.34🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd. | ||||||
| PTR | outhb2.global-mail.cn | ||||||
| TXT | v=spf1 include:spfv.zmail300.cn ~all | ||||||
| SOA | main2.ns365.netroot@main2.ns365.net 2013-11-11 #29 | ||||||
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=1771291435 | ||||||
Subdomains
mail.fostechbs.com |
Same first word
fostechbs.com |
Similar names
DNS History
6 records (5 active, 1 former)
○MXmail.fostechbs.com2015-08-01 → 2017-02-12 · 4 obs
● 2017-02-12 10:02:30
○ 2018-10-05 16:09:14
○ 2026-03-22 17:53:34
●MXmx.zmail300.cn2018-10-05 → 2026-03-22 · 3 obs
● 2018-10-05 16:09:14
● 2026-03-22 17:53:34
●MXmx1.zmail300.cn2018-10-05 → 2026-03-22 · 3 obs
● 2018-10-05 16:09:14
● 2026-03-22 17:53:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| fostechbs.com | ns5.gzidc.com, ns6.gzidc.com | 2 records |
✅ Authoritative Response
Server: 124.173.109.211
NS records: ns5.gzidc.com, ns6.gzidc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fostechbs.com (unsigned zone)
⏱️ Timing
Total: 669ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns5.gzidc.com, ns6.gzidc.com |
| MX | 2 | mx.zmail300.cn (pri: 5), mx1.zmail300.cn (pri: 50) |
| TXT | 1 | v=spf1 include:spfv.zmail300.cn ~all |
| SOA | 1 | main2.ns365.net root.main2.ns365.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.gzidc.com, ns6.gzidc.com)
Analysis
Hierarchy
The parent of mail.fostechbs.com is fostechbs.com.
Name Servers
fostechbs.com is delegated to three name servers: ns5.gzidc.com, ns6.gzidc.com and main2.ns365.net.
fostechbs.com partially shares name servers with other domains; examples include goodwaysource.com, gdaz.cn, lwled.com, ycznsb.com and wattion.cn.
These name servers are often used with the name servers ns3.ns365.net and ns4.ns365.net.
Host names with one IP number:
Host ns5.gzidc.com points to 124.173.109.211.
Host ns6.gzidc.com points to 124.173.109.206.
Host main2.ns365.net points to 211.147.245.4.
Mail Servers
fostechbs.com is handled by two mail servers: mx1.zmail300.cn and mx.zmail300.cn.
fostechbs.com has the same mail server setup as other domains, including jszwdq.com, zhengtai-pv.com, sxtxg.cn, goldskymetal.com and e-manimold.com.
fostechbs.com shares some mail servers with other domains, at least partially, such as wxdongli.com, shengbaite.com, dgjmzy.com, tsshengtai.com and sdpkl.cn.
Host names with one IP number: The host name mx1.zmail300.cn points to 117.50.175.134 and the host name mx.zmail300.cn points to 101.237.133.34.