3780.cn - robtex.com
3780.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.76.62.167🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| NS | buy.domains.go.marksmile.com ⚠️ Not in zone NS records | ||||||
| A | 47.76.62.167🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| NS | emailto.service.at.marksmile.com ⚠️ Not in zone NS records | ||||||
| A | 47.76.62.167🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| 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 | ⚠️ Not signed | ||||||
| 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=2035182468 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSbuy.domains.go.marksmile.com2026-07-10 → 2026-08-15 · 2 obs
● 2026-08-15 06:59:02
●NSemailto.service.at.marksmile.com2026-07-10 → 2026-08-15 · 2 obs
● 2026-08-15 06:59:02
●MXmail.happyisp.com2026-07-10 → 2026-08-15 · 3 obs
● 2026-07-10 18:03:18
● 2026-08-15 06:59:02
○MXmail.skrimple.com2015-06-16 → 2017-05-18 · 4 obs
● 2017-05-18 11:39:32
○ 2026-07-10 18:03:18
○ 2026-08-15 06:59:02
●A47.76.62.1672026-07-10 → 2026-08-15 · 3 obs
● 2026-07-10 18:03:18
● 2026-08-15 06:59:02
○A50.117.116.1172015-06-16 → 2017-05-18 · 6 obs
● 2016-04-19 18:30:32
○ 2016-09-20 20:46:04
● 2017-05-18 11:39:32
○ 2026-07-10 18:03:18
○ 2026-08-15 06:59:02
○A50.117.120.2532015-06-16 → 2016-09-20 · 4 obs
● 2016-09-20 20:46:04
○ 2017-05-18 11:39:32
○ 2026-08-15 06:59:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 3780.cn | buy.domains.go.marksmile.com, emailto.service.at.marksmile.com | - |
✅ Authoritative Response
Server:47.76.62.167
NS records: buy.domains.go.marksmile.com, emailto.service.at.marksmile.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at 3780.cn: Error: DNS query timeout: 203.119.29.1 for DS 3780.cn
⏱️ Timing
Total: 4753ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.76.62.167 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
IP Addresses
3780.cn has exactly one IP address — 47.76.62.167.
zhuoou.com, gezhuang.cn, ganfei.cn plus two other host names have IP numbers in common with 3780.cn.
Name Servers
The NS records for 3780.cn delegate to emailto.service.at.marksmile.com and buy.domains.go.marksmile.com.
The name server configuration of 3780.cn is shared with other domains, for instance chinacoat.cn, langneng.cn, ouga.cn and two others.
Each of emailto.service.at.marksmile.com and buy.domains.go.marksmile.com points to exactly one IP address: 47.76.62.167.
emailto.service.at.marksmile.com and buy.domains.go.marksmile.com each have 47.76.62.167 IP addresses.
Mail Servers
3780.cn uses one mail server — mail.happyisp.com.
The mail server setup of 3780.cn matches that of other domains such as sherun.cn, liangyongqin.cn, pbr.in and two others.
mail.happyisp.com has two IP addresses: 5.161.49.68 and 137.184.158.105.