krttbb.com - robtex.com
krttbb.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns11.hichina.com ⭐ | ||||||
| A | 2408:4009:501::19🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.122🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns12.hichina.com | ||||||
| A | 2408:4009:501::20🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.121🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | dns11.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=1774382122 | ||||||
Previously MX for
krttbb.com |
Same first word
krttbb.com |
DNS History
10 records (2 active, 8 former)
●NSdns11.hichina.com2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 07:24:56
● 2026-03-24 20:25:08
●NSdns12.hichina.com2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 07:24:56
● 2026-03-24 20:25:08
○NSns177.jom.hosting2019-12-31 → 2019-12-31 · 4 obs
● 2019-12-31 12:10:46
○ 2026-03-19 07:24:56
○ 2026-03-24 20:25:08
○NSns178.jom.hosting2019-12-31 → 2019-12-31 · 4 obs
● 2019-12-31 12:10:46
○ 2026-03-19 07:24:56
○ 2026-03-24 20:25:08
○NSns209.jomhosting.net2015-08-10 → 2017-03-15 · 4 obs
● 2017-03-15 16:16:12
○ 2019-12-31 12:10:46
○ 2026-03-24 20:25:08
○NSns210.jomhosting.net2015-08-10 → 2017-03-15 · 4 obs
● 2017-03-15 16:16:12
○ 2019-12-31 12:10:46
○ 2026-03-24 20:25:08
○MXkrttbb.com2015-08-10 → 2019-12-31 · 4 obs
● 2019-12-31 12:10:46
○ 2026-03-19 07:24:56
○ 2026-03-24 20:25:08
○A112.137.167.342015-08-10 → 2016-03-11 · 4 obs
● 2016-03-11 19:27:46
○ 2016-07-04 22:43:40
○ 2026-03-24 20:25:08
○A165.22.51.442019-12-31 → 2019-12-31 · 4 obs
● 2019-12-31 12:10:46
○ 2026-03-19 07:24:56
○ 2026-03-24 20:25:08
○A202.75.32.712016-07-04 → 2017-03-15 · 5 obs
● 2016-07-04 22:43:40
● 2017-03-15 16:16:12
○ 2019-12-31 12:10:46
○ 2026-03-24 20:25:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| krttbb.com | dns11.hichina.com, dns12.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for krttbb.com (unsigned zone)
⏱️ Timing
Total: 504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)
Analysis
Name Servers
krttbb.com is delegated to two name servers: dns11.hichina.com and dns12.hichina.com.
krttbb.com uses the same name server setup as other domains, for instance finfras.com, isosss.com, uvk.cn, cqbrh.com and witiai.cn.
krttbb.com shares name servers with other domains at least partially; for example mdai.com, coccare.com, imia.cn and 99747.cn.
These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.uuns.com and ns2.uuns.com.
Host names with nine IP numbers: dns11.hichina.com points to 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122; dns12.hichina.com points to 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.