itutool.com - robtex.com

itutool.com

DNSSEC⚠️ Not signed
A122.51.156.17πŸ‡¨πŸ‡³ TENCENT-NET-AP122.51.128.0/18
NSnail.dnspod.net ⭐
A2402:4e00:1470:2::eπŸ‡¨πŸ‡³ TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.4πŸ‡¨πŸ‡³ TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-4.defastlink.net
A1.14.119.35πŸ‡¨πŸ‡³ TENCENT-NET-AP1.14.64.0/18
PTRip-1-14-119-35.defastlink.net
A111.13.13.35πŸ‡¨πŸ‡³ CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
PTRip-111-13-13-35.defastlink.net
A112.80.181.45πŸ‡¨πŸ‡³ CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
PTRip-112-80-181-45.defastlink.net
A117.89.178.173πŸ‡¨πŸ‡³ ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
PTRip-117-89-178-173.defastlink.net
NSbrass.dnspod.net
A2402:4e00:111:fff::cπŸ‡¨πŸ‡³ TENCENT-NET-AP2402:4e00::/35
A1.12.0.1πŸ‡¨πŸ‡³ TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-1.defastlink.net
A36.155.149.176πŸ‡¨πŸ‡³ CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
PTRip-36-155-149-176.defastlink.net
A101.227.168.35πŸ‡¨πŸ‡³ SHANGHAITELECOM101.227.168.0/23 SHIDC
PTRip-101-227-168-35.defastlink.net
A111.206.98.235πŸ‡¨πŸ‡³ CHINA169-BJ111.206.98.0/24
PTRip-111-206-98-235.defastlink.net
A129.211.176.239πŸ‡¨πŸ‡³ TENCENT-NET-AP129.211.176.0/20
PTRip-129-211-176-239.defastlink.net
MXmx1.feishu.cn ⭐
A52.220.106.220πŸ‡ΈπŸ‡¬ Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220πŸ‡ΈπŸ‡¬ Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
TXTverification-code-site-App_feishu=bOXXCt4wPoMNwAMYiuSq
SOAnail.dnspod.netfreednsadmin@dnspod.com serial=1767594748

com

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSbrass.dnspod.netnail.dnspod.netMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA122.51.156.17
●NSbrass.dnspod.net2026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26
●NSnail.dnspod.net2026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26
●MXmx1.feishu.cn2026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26
●MXmx2.feishu.cn2026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26
●MXmx3.feishu.cn2026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26
●A122.51.156.172026-02-26 β†’ 2026-03-20 Β· 2 obs
● 2026-02-26 12:09:34
● 2026-03-20 03:35:26

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net...-
itutool.comnail.dnspod.net, brass.dnspod.net-

βœ… Authoritative Response

Server: 101.227.168.35

NS records: nail.dnspod.net, brass.dnspod.net

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itutool.com (unsigned zone)

⏱️ Timing

Total: 3783ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1122.51.156.17
NS2nail.dnspod.net, brass.dnspod.net
MX3mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...
TXT2v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=bOXXCt
SOA1nail.dnspod.net freednsadmin.dnspod.com

Analysis

IP Addresses

itutool.com resolves to a single IP: 122.51.156.17.

Name Servers

itutool.com has two name servers: brass.dnspod.net and nail.dnspod.net.

itutool.com shares the same name server setup as other domains, for example fsjmdz.com, 668cqsf.com, 783520.xyz, moodstun.com and xingxing.link.

itutool.com shares name servers with other domains to some extent, for example xn--ghq32fc39eq6b.cn and img-vision.com.

These name servers are commonly used with the name servers f1g1ns1.dnspod.net.

Host names with six IP numbers: brass.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239; nail.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 112.80.181.45 and 117.89.178.173.

Mail Servers

itutool.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

itutool.com shares some mail servers with other domains, at least partially; for instance aoxika.com, mayiwen.com, hbrjhg.com, novauto.com.cn and leniumail.com.

Host names with three IP numbers: mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers: mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names with one IP number: mx1.feishu.cn points to 52.220.106.220.

Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.