cucoffice.com - dns.ninja

`cucoffice.com`

DNSSEC	⚠️ Not signed
A	185.248.86.157^{🇬🇧 XTOM185.248.86.0/24}
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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,}
		A	139.224.142.109^{🇨🇳 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,}
NS	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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,}
		A	139.224.142.107^{🇨🇳 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,}
NS	`ns1.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com` ⚠️ Not in parent delegation
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`cucoffice-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms90095072`
SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-03-25 #11

`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.net`nstld@verisign-grs.com serial=1782868806

Same first word

cucoffice.com

Similar names

uccoffice.com

DNS History

9 records (8 active, 1 former)

●NSdns27.hichina.com2020-01-14 → 2026-07-01 · 2 obs

● 2020-01-14 06:25:02
● 2026-07-01 01:21:42

●NSdns28.hichina.com2020-01-14 → 2026-07-01 · 2 obs

● 2020-01-14 06:25:02
● 2026-07-01 01:21:42

●NSns1.bdm.microsoftonline.com2026-03-25 → 2026-07-01 · 3 obs

○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

●NSns2.bdm.microsoftonline.com2026-03-25 → 2026-07-01 · 3 obs

○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

●NSns3.bdm.microsoftonline.com2026-03-25 → 2026-07-01 · 3 obs

○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

●NSns4.bdm.microsoftonline.com2026-03-25 → 2026-07-01 · 3 obs

○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

●MXcucoffice-com.mail.protection.outlook.com2026-03-25 → 2026-07-01 · 3 obs

○ 2020-01-14 06:25:02
● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

○MXmx.yandex.net2020-01-14 → 2020-01-14 · 3 obs

● 2020-01-14 06:25:02
○ 2026-03-25 17:03:38
○ 2026-07-01 01:21:42

●A185.248.86.1572026-03-25 → 2026-07-01 · 2 obs

● 2026-03-25 17:03:38
● 2026-07-01 01:21:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cucoffice.com	dns27.hichina.com, dns28.hichina.com	18 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: 3786ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.248.86.157`
NS	6	`dns27.hichina.com, ns2.bdm.microsoftonline.com...`
MX	1	`cucoffice-com.mail.protection.outlook.co`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms90095072`
SOA	1	`dns27.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 directs to one IP number, which is 185.248.86.157.

Name Servers

cucoffice.com carries NS records listing 6 name servers — dns27.hichina.com, dns28.hichina.com, ns1.bdm.microsoftonline.com and 3 others.

There is at least partial name server overlap between cucoffice.com and other domains — cheekylittlemonkey.net, abracom.org.br, keyquant.com and two more among them.

These name servers are routinely co-deployed with the name servers ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com and two others.

Host names resolving to 9 IP numbers:

dns27.hichina.com maps to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 additional IP addresses.

dns28.hichina.com maps to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 additional IP addresses.

Hosts with two IP numbers each:

The A records for ns1.bdm.microsoftonline.com return 13.107.236.208 and 2603:1061:0:700::d0.

The A records for ns2.bdm.microsoftonline.com return 150.171.21.208 and 2620:1ec:8ec:700::d0.

The A records for ns3.bdm.microsoftonline.com return 204.14.183.208 and 2a01:111:4000:700::d0.

The A records for ns4.bdm.microsoftonline.com return 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

cucoffice.com routes its mail through a single mail server, cucoffice-com.mail.protection.outlook.com.

cucoffice-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.16, 52.101.68.27 and 52.101.73.8, along with 5 other.