null-lab.com - robtex.com

null-lab.com

DNSSEC⚠️ Not signed
NSdns15.hichina.com ⭐
A2408:4009:501::23🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-42.defastlink.net
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-52.defastlink.net
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-202.defastlink.net
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-212.defastlink.net
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-42.defastlink.net
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-52.defastlink.net
A139.224.142.112🇨🇳 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,
PTRip-139-224-142-112.defastlink.net
A139.224.142.122🇨🇳 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,
PTRip-139-224-142-122.defastlink.net
NSdns16.hichina.com
A2408:4009:501::24🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-41.defastlink.net
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-51.defastlink.net
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-201.defastlink.net
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-211.defastlink.net
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-41.defastlink.net
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-51.defastlink.net
A139.224.142.111🇨🇳 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,
PTRip-139-224-142-111.defastlink.net
A139.224.142.121🇨🇳 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,
PTRip-139-224-142-121.defastlink.net
MXmxbiz1.qq.com ⭐
A203.205.147.218🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com ⭐
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAdns15.hichina.comhostmaster@hichina.com 2026-01-09 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

null-lab.com

DNS History

13 records (4 active, 9 former)

200920112013201520172019202120232025NSdns15.hichina.comdns16.hichina.comjuming.dnsdun.comjuming.dnsdun.netns01.domaincontrol.comns02.domaincontrol.comMXmxbiz1.qq.commxbiz2.qq.commailstore1.secureserver.netsmtp.secureserver.netA107.163.59.151208.109.78.14197.74.144.145
●NSdns15.hichina.com2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-11 03:52:34
● 2026-03-23 23:07:44
●NSdns16.hichina.com2026-03-23 → 2026-03-23 · 2 obs
○ 2020-01-11 03:52:34
● 2026-03-23 23:07:44
○NSjuming.dnsdun.com2016-06-23 → 2017-02-19 · 5 obs
○ 2016-01-22 08:05:06
● 2016-06-23 08:50:26
● 2017-02-19 10:59:42
○ 2020-01-11 03:52:34
○ 2026-03-23 23:07:44
○NSjuming.dnsdun.net2016-06-23 → 2017-02-19 · 5 obs
○ 2016-01-22 08:05:06
● 2016-06-23 08:50:26
● 2017-02-19 10:59:42
○ 2020-01-11 03:52:34
○ 2026-03-23 23:07:44
○NSns01.domaincontrol.com2015-06-18 → 2016-01-22 · 5 obs
○ 2008-03-19 04:50:34
● 2015-06-18 10:28:16
● 2016-01-22 08:05:06
○ 2016-06-23 08:50:26
○ 2026-03-23 23:07:44
○NSns02.domaincontrol.com2015-06-18 → 2016-01-22 · 5 obs
○ 2008-03-19 04:50:34
● 2015-06-18 10:28:16
● 2016-01-22 08:05:06
○ 2016-06-23 08:50:26
○ 2026-03-23 23:07:44
○MXmailstore1.secureserver.net2008-03-19 → 2016-01-22 · 4 obs
● 2008-03-19 04:50:34
● 2016-01-22 08:05:06
○ 2016-06-23 08:50:26
○ 2026-03-23 23:07:44
●MXmxbiz1.qq.com2026-03-23 → 2026-03-23 · 2 obs
○ 2016-06-23 08:50:26
● 2026-03-23 23:07:44
●MXmxbiz2.qq.com2026-03-23 → 2026-03-23 · 2 obs
○ 2016-06-23 08:50:26
● 2026-03-23 23:07:44
○MXsmtp.secureserver.net2008-03-19 → 2016-01-22 · 4 obs
● 2008-03-19 04:50:34
● 2016-01-22 08:05:06
○ 2016-06-23 08:50:26
○ 2026-03-23 23:07:44
○A107.163.59.1512016-06-23 → 2017-02-19 · 5 obs
○ 2016-01-22 08:05:06
● 2016-06-23 08:50:26
● 2017-02-19 10:59:42
○ 2020-01-11 03:52:34
○ 2026-03-23 23:07:44
○A208.109.78.1412008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 04:50:34
○ 2015-06-18 10:28:16
○ 2026-03-23 23:07:44
○A97.74.144.1452015-06-18 → 2016-01-22 · 5 obs
○ 2008-03-19 04:50:34
● 2015-06-18 10:28:16
● 2016-01-22 08:05:06
○ 2016-06-23 08:50:26
○ 2026-03-23 23:07:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
null-lab.comdns15.hichina.com, dns16.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for null-lab.com (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns16.hichina.com, dns15.hichina.com
MX2mxbiz1.qq.com (pri: 10), mxbiz2.qq.com (pri: 10)
SOA1dns15.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Name Servers

Two name servers dns15.hichina.com and dns16.hichina.com handle delegation for null-lab.com.

null-lab.com uses the same name server setup as other domains, for example sinodms.com, chipcn.cn, weilianke.com, xzkat.com and stxiayidai.cn.

null-lab.com partially shares name servers with other domains; examples include xsxxchina.com, 3mms.com, sysawj.com, nianyao.top and seedu.me.

These name servers are often used with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 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.

dns16.hichina.com points to: 2408:4009:501::24, 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.

Mail Servers

null-lab.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

null-lab.com has the same mail server setup as other domains, including kingcheergame.cn, lifine.cn, mail.hanlan.com, sbhl.org and smartnetfree.com.

null-lab.com shares some mail servers with other domains, at least partially, such as qhone.cn, dzs-tech.com, dongxie.com, daohezy.com and robotcloud.top.

these mail servers are often used alongside mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host names with two IPs:

mxbiz1.qq.com points to: 203.205.147.218 and 203.205.232.191.

Host names with a single IP:

mxbiz2.qq.com points to: 203.205.232.191.

Names resolving to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.