skybio-tech.cn - robtex.com
skybio-tech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| NS | ns2.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| PTR | mail.happyisp.com | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| PTR | mail.happyisp.com | ||||||
| TXT | v=spf1 ip6:fd0d:d741:e183::/48 -all | ||||||
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.cnroot@cnnic.cn serial=2034776469 | ||||||
Same first word
skybio-tech.com |
skybio-tech.cn |
DNS History
4 records (4 active, 0 former)
●NSns1.exp.4cun.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:37:28
●NSns2.exp.4cun.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:37:28
●MXmail.happyisp.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:37:28
●A127.0.0.12026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:37:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| skybio-tech.cn | ns1.exp.4cun.com, ns2.exp.4cun.com | - |
✅ Authoritative Response
Server:60.190.243.160
NS records: ns1.exp.4cun.com, ns2.exp.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for skybio-tech.cn (unsigned zone)
⏱️ Timing
Total: 3117ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
IP Addresses
skybio-tech.cn points to IP number: 127.0.0.1.
Other host names such as 44.184.133.static.quadranet.com, xn--komplexmittelhomopathie-nlc.de, 96.44.158.231.static.quadranet.com, tprun02.mj.tpgamerun.com and qaz.bvwfeuwkfue.dns-dynamic.net share IPs with skybio-tech.cn.
Name Servers
skybio-tech.cn is delegated to two name servers: ns1.exp.4cun.com and ns2.exp.4cun.com.
skybio-tech.cn shares the same name server setup as szcam.com, kaka-set.org, shangsite.com, fernsilver.com and c-is.cn.
skybio-tech.cn shares some name servers with other domains, for instance liangyingok.cn.
Host names sharing one IP: ns1.exp.4cun.com and ns2.exp.4cun.com point to 60.190.243.160.
Mail Servers
skybio-tech.cn is handled by a single mail server, mail.happyisp.com.
The mail server setup for skybio-tech.cn matches that of other domains, for instance zouwu.cn, chuanji.cn, pengdu.com, platinumcardholder.com and dahei.cn.
mail.happyisp.com points to two IPs: 5.161.49.68 and 137.184.158.105.