slack.cn - robtex.com
slack.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.76.62.167🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| NS | ns1.ee28.cn ⚠️ Not in zone NS records | ||||||
| A | 47.76.62.167🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| NS | ns2.ee28.cn ⚠️ 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 | 🔒 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=2035006059 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●MXmail.happyisp.com2026-06-28 → 2026-07-05 · 3 obs
● 2026-06-28 18:36:14
● 2026-07-05 14:13:24
○MXmail.skrimple.com2015-08-22 → 2017-02-05 · 4 obs
● 2017-02-05 20:17:36
○ 2026-06-28 18:36:14
○ 2026-07-05 14:13:24
○A15.164.199.1602020-01-14 → 2020-01-14 · 4 obs
● 2020-01-14 19:18:00
○ 2026-06-28 18:36:14
○ 2026-07-05 14:13:24
●A47.76.62.1672026-06-28 → 2026-07-05 · 3 obs
● 2026-06-28 18:36:14
● 2026-07-05 14:13:24
○A50.117.116.1172015-08-22 → 2016-02-07 · 4 obs
● 2016-02-07 23:39:56
○ 2017-02-05 20:17:36
○ 2026-07-05 14:13:24
○A50.117.120.2532015-08-22 → 2017-02-05 · 4 obs
● 2017-02-05 20:17:36
○ 2020-01-14 19:18:00
○ 2026-07-05 14:13:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| slack.cn | ns1.ee28.cn, ns2.ee28.cn | - |
✅ Authoritative Response
Server:47.76.62.167
NS records: ns1.ee28.cn, ns2.ee28.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for slack.cn (unsigned zone)
⏱️ Timing
Total: 2123ms | 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
slack.cn points to a single IP number: 47.76.62.167.
Additional host names — 2785.cn, anbei.cn, qilian.com and two others — share IP numbers with slack.cn.
Name Servers
slack.cn is served by two delegated name servers, ns1.ee28.cn and ns2.ee28.cn.
slack.cn shares its name server setup with other domains, including 5978.cn, inetglobal.cn, crjg.cn and two others.
At least some of slack.cn's name servers are shared with other domains, for example svit.eu, cwf.eu, unless.eu and two more.
These name servers tend to be deployed in combination with the name servers emailto.service.at.marksmile.com and buy.domains.go.marksmile.com.
ns1.ee28.cn and ns2.ee28.cn share one IP address between them — 47.76.62.167.
These two host names — ns1.ee28.cn and ns2.ee28.cn — each point to 47.76.62.167 IP addresses.
Mail Servers
slack.cn has one mail server: mail.happyisp.com.
slack.cn shares the same mail server setup as other domains, including guanlv.cn, shilbi.com, fuqian.cn and two others.
mail.happyisp.com directs to two IP numbers, 5.161.49.68 and 137.184.158.105.