bakclass.com - dns.ninja
bakclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 111.230.84.141🇨🇳 TENCENT-NET-AP111.230.84.0/23 | ||||||
| NS | vip3.alidns.com ⭐ | ||||||
| A | 2408:4009:500::3🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.5🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.210🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.136🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.26🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.10🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.6🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.211🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.137🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.27🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.11🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| MX | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object | ||||||
| PTR | reachsmartdwell.com | ||||||
| TXT | v=spf1 include:spf.mxhichina.com ~all | ||||||
| SOA | vip3.alidns.comhostmaster@hichina.com 2015-01-16 #15 | ||||||
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=1785435267 | ||||||
Subdomains
oldfile.bakclass.com |
Same first word
Similar names
blascsak.com |
salsback.se |
blackass.com |
blckassa.com |
blackass.de |
blackass.net |
lassback.com |
blackass.org |
casklabs.com |
slabsack.info |
kcaslabs.com |
blacksas.com |
DNS History
9 records (5 active, 4 former)
○NSdns10.hichina.com2016-12-16 → 2026-02-14 · 4 obs
● 2026-02-14 16:56:54
○ 2026-07-14 21:35:10
○ 2026-07-30 18:44:32
○NSdns9.hichina.com2016-12-16 → 2026-02-14 · 4 obs
● 2026-02-14 16:56:54
○ 2026-07-14 21:35:10
○ 2026-07-30 18:44:32
●NSvip3.alidns.com2026-07-14 → 2026-07-30 · 3 obs
● 2026-07-14 21:35:10
● 2026-07-30 18:44:32
●NSvip4.alidns.com2026-07-14 → 2026-07-30 · 3 obs
● 2026-07-14 21:35:10
● 2026-07-30 18:44:32
●MXmxn.mxhichina.com2016-12-16 → 2026-07-30 · 2 obs
● 2026-07-30 18:44:32
●MXmxw.mxhichina.com2016-12-16 → 2026-07-30 · 2 obs
● 2026-07-30 18:44:32
●A111.230.84.1412026-02-14 → 2026-07-30 · 3 obs
● 2026-02-14 16:56:54
● 2026-07-30 18:44:32
○A120.25.216.1562016-12-16 → 2016-12-16 · 3 obs
○ 2020-02-29 07:54:10
○ 2026-07-30 18:44:32
○A120.79.206.492020-02-29 → 2020-02-29 · 4 obs
● 2020-02-29 07:54:10
○ 2026-02-14 16:56:54
○ 2026-07-30 18:44:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bakclass.com | vip3.alidns.com, vip4.alidns.com | 22 records |
✅ Authoritative Response
Server:121.40.6.163
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bakclass.com (unsigned zone)
⏱️ Timing
Total: 563ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.230.84.141 |
| NS | 2 | vip4.alidns.com, vip3.alidns.com |
| MX | 2 | mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com ~all |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 22
Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)
Analysis
Hierarchy
bakclass.com serves as the parent of oldfile.bakclass.com.
IP Addresses
bakclass.com resolves to one IP address: 111.230.84.141.
Name Servers
Two name servers handle the delegation for bakclass.com: vip3.alidns.com and vip4.alidns.com.
bakclass.com uses the same name servers as several other domains — among them cari.com.cn, skavro.com, zjian.net and two more.
The name servers for bakclass.com are partially shared with other domains like staticsbb.com, saam.com.cn and adscenter.ru
Hostnames that resolve to 7 IP addresses:
vip3.alidns.com resolves to 8.212.93.3, 140.205.1.5 and 170.33.32.210 among others, with 4 other IP addresses in total.
vip4.alidns.com resolves to 8.212.93.4, 140.205.1.6 and 170.33.32.211 among others, with 4 other IP addresses in total.
Mail Servers
Mail for bakclass.com is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.
bakclass.com uses an identical mail server configuration to several other domains — among them aisdsh.com, cnopal.com, ylyad.com and two more.
bakclass.com has at least partial mail server overlap with other domains such as sunsi.com, geekpeer.cn, jingmu.vip and two more.
These mail servers tend to appear together with the mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Hostnames that resolve to two IP addresses:
mxn.mxhichina.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.
Hosts with just one IP address:
The hostname mxw.mxhichina.com resolves to 47.246.99.195.