cucoffice.com - robtex.com

cucoffice.com

DNSSEC⚠️ Not signed
A185.248.86.157🇬🇧 XTOM185.248.86.0/24
PTRs19347.vps.hosting
NSdns27.hichina.com ⭐
A2408:4009:501::35🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.99🇨🇳 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,
A139.224.142.109🇨🇳 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,
NSdns28.hichina.com
A2408:4009:501::36🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.102🇨🇳 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,
A139.224.142.107🇨🇳 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,
NSns1.bdm.microsoftonline.com ⚠️ Not in parent delegation
A2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com ⚠️ Not in parent delegation
A2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com ⚠️ Not in parent delegation
A2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft204.14.180.0/22
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com ⚠️ Not in parent delegation
A2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-208.azure-dns.info
MXcucoffice-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::a🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::2🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::9🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr04cu00801.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.68.39🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms90095072
SOAdns27.hichina.comhostmaster@hichina.com 2026-03-25 #11

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=1774516927

Same first word

cucoffice.com

Similar names

uccoffice.com

DNS History

9 records (8 active, 1 former)

202120222023202420252026NSdns27.hichina.comdns28.hichina.comns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXcucoffice-com.mail.protection.outlook.commx.yandex.netA185.248.86.157
●NSdns27.hichina.com2020-01-14 → 2026-03-26 · 2 obs
● 2020-01-14 06:25:02
● 2026-03-26 09:37:06
●NSdns28.hichina.com2020-01-14 → 2026-03-26 · 2 obs
● 2020-01-14 06:25:02
● 2026-03-26 09:37:06
●NSns1.bdm.microsoftonline.com2026-03-25 → 2026-03-26 · 3 obs
○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06
●NSns2.bdm.microsoftonline.com2026-03-25 → 2026-03-26 · 3 obs
○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06
●NSns3.bdm.microsoftonline.com2026-03-25 → 2026-03-26 · 3 obs
○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06
●NSns4.bdm.microsoftonline.com2026-03-25 → 2026-03-26 · 3 obs
○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06
●MXcucoffice-com.mail.protection.outlook.com2026-03-25 → 2026-03-26 · 3 obs
○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06
○MXmx.yandex.net2020-01-14 → 2020-01-14 · 3 obs
● 2020-01-14 06:25:02
○ 2026-03-25 17:03:38
○ 2026-03-26 09:37:06
●A185.248.86.1572026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 17:03:38
● 2026-03-26 09:37:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
cucoffice.comdns27.hichina.com, dns28.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cucoffice.com (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

TypeCountSample Data
A1185.248.86.157
NS6ns2.bdm.microsoftonline.com, dns27.hichina.com...
MX1cucoffice-com.mail.protection.outlook.co
TXT2MS=ms90095072, v=spf1 include:spf.protection.outlook.co
SOA1dns27.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns27.hichina.com, dns27.hichina.com, dns27.hichina.com...)

Analysis

IP Addresses

cucoffice.com points to a single IP number: 185.248.86.157.

Name Servers

cucoffice.com delegates to six name servers: dns27.hichina.com, dns28.hichina.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

cucoffice.com shares name servers with other domains at least partially, for instance cheekylittlemonkey.net, centrohogar.uy, abracom.org.br, keyquant.com and dcsg.sg.

these name servers are commonly used together with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns27.hichina.com points to 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns28.hichina.com points to 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Host names with two IP numbers:

ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208.

ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208.

ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208.

ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208.

Mail Servers

The mail server for cucoffice.com is cucoffice-com.mail.protection.outlook.com.

Host cucoffice-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::20, 52.101.68.21, 52.101.68.39, 52.101.73.12 and 52.101.73.15.