ratbag.cn - robtex.com
ratbag.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=2034590749 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.exp.4cun.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 22:12:20
● 2026-03-26 22:12:22
○NSns1.judns.com2026-02-19 → 2026-03-18 · 4 obs
● 2026-03-18 23:15:32
○ 2026-03-26 22:12:20
○ 2026-03-26 22:12:22
○NSns1.julydns.com2026-02-19 → 2026-03-18 · 4 obs
● 2026-03-18 23:15:32
○ 2026-03-26 22:12:20
○ 2026-03-26 22:12:22
●NSns2.exp.4cun.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 22:12:20
● 2026-03-26 22:12:22
○NSns2.judns.com2026-02-19 → 2026-03-18 · 4 obs
● 2026-03-18 23:15:32
○ 2026-03-26 22:12:20
○ 2026-03-26 22:12:22
○NSns2.julydns.com2026-02-19 → 2026-03-18 · 4 obs
● 2026-03-18 23:15:32
○ 2026-03-26 22:12:20
○ 2026-03-26 22:12:22
●MXmail.happyisp.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 22:12:22
●A127.0.0.12026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 22:12:20
● 2026-03-26 22:12:22
○A156.244.253.892026-02-19 → 2026-03-18 · 4 obs
● 2026-03-18 23:15:32
○ 2026-03-26 22:12:20
○ 2026-03-26 22:12:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| ratbag.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 ratbag.cn (unsigned zone)
⏱️ Timing
Total: 2013ms | 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
ratbag.cn resolves to a single IP address: 127.0.0.1.
Other host names including openart.de, 63.135.194.178.dynamic.wline.res.cust.swisscom.ch, whbtzhdgzz.sinaapp.com, 83.248.static.quadranet.com and adobe-dns-www.wwhzc.sinaapp.com share IP numbers with ratbag.cn.
Name Servers
ratbag.cn's delegation uses two name servers, ns1.exp.4cun.com and ns2.exp.4cun.com.
ratbag.cn shares the same name server setup as other domains, for example ud-prod.com, ztnet.org, wr1001.com, you6ube.com and tigerlee.com.cn.
ratbag.cn at least partially shares name servers with other domains, including fgjwy.cn, bjjdgl.com, ww555.cn, vo4f.cn and yufei55.com.
these name servers are commonly used with ns3.exp.4cun.com, ns4.exp.4cun.com, ns5.exp.4cun.com and ns6.exp.4cun.com.
Host names with a single IP:
- ns1.exp.4cun.com points to 60.190.243.160
- ns2.exp.4cun.com points to 60.190.243.160
Host names that point to 60.190.243.160: ns1.exp.4cun.com and ns2.exp.4cun.com
Mail Servers
ratbag.cn is handled by a single mail server, mail.happyisp.com.
ratbag.cn shares its mail server setup with other domains, including 30879.com, gasu.cn, bairaq.com, dongniu.cn and zroo.cn.
mail.happyisp.com points to two IPs: 5.161.49.68 and 137.184.158.105.