`microsoft-office.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:91bc^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4f85^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.133^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.188^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amalia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:265e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amalia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amalia.ns.cloudflare.com`
		A	108.162.194.94^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	162.159.38.94^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
		A	172.64.34.94^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amalia.ns.cloudflare.com`
NS	`roman.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c367^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2367^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roman.ns.cloudflare.com`
		A	108.162.195.103^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	162.159.44.103^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	172.64.35.103^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.133, 172.67.145.188
		IPv6 hints	2606:4700:3031::ac43:91bc, 2606:4700:3034::6815:4f85
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOA	`amalia.ns.cloudflare.com`dns@cloudflare.com serial=2409688932

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035057385

Same first word

Similar names

microsoft-ofifce.com

office-microsoft.cloud

office-microsoft.org

office-microsoft.com

office-microsoft.net

DNS History

8 records (6 active, 2 former)

●NSamalia.ns.cloudflare.com2026-07-18 → 2026-07-18 · 2 obs

○ 2026-05-30 07:36:28
● 2026-07-18 18:38:50

○NSns1.nowcndns.com2026-05-05 → 2026-05-30 · 3 obs

● 2026-05-05 11:29:52
● 2026-05-30 07:36:28
○ 2026-07-18 18:38:50

○NSns2.nowcndns.com2026-05-05 → 2026-05-30 · 3 obs

● 2026-05-05 11:29:52
● 2026-05-30 07:36:28
○ 2026-07-18 18:38:50

●NSroman.ns.cloudflare.com2026-07-18 → 2026-07-18 · 2 obs

○ 2026-05-30 07:36:28
● 2026-07-18 18:38:50

●A104.21.79.1332026-07-18 → 2026-07-18 · 1 obs

● 2026-07-18 18:38:50

●A172.67.145.1882026-07-18 → 2026-07-18 · 1 obs

● 2026-07-18 18:38:50

●A2606:4700:3031::ac43:91bc2026-07-18 → 2026-07-18 · 1 obs

● 2026-07-18 18:38:50

●A2606:4700:3034::6815:4f852026-07-18 → 2026-07-18 · 1 obs

● 2026-07-18 18:38:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, a.dns.cn, b.dns.cn...	-
microsoft-office.cn	roman.ns.cloudflare.com, amalia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.94

NS records: roman.ns.cloudflare.com, amalia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microsoft-office.cn (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.133, 172.67.145.188`
AAAA	2	`2606:4700:3034::6815:4f85, 2606:4700:3031::ac43:91bc`
NS	2	`amalia.ns.cloudflare.com, roman.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amalia.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

microsoft-office.cn resolves to four IP addresses: 104.21.79.133, 172.67.145.188, 2606:4700:3031::ac43:91bc and 2606:4700:3034::6815:4f85.

Two other host names, along with moiinteresy.ru, app6699.com and azzamdaaboul.com, also share IP numbers with microsoft-office.cn.

Name Servers

microsoft-office.cn uses two name servers for its delegation: amalia.ns.cloudflare.com and roman.ns.cloudflare.com.

microsoft-office.cn shares its NS records with other domains, for example 72053.cn, cac89.com, tonglujia.com and two others.

microsoft-office.cn partially shares its NS delegation with several other domains, including desdowd.qc.ca, wzhljm.com, 63711.co and two others.

The name servers jill.ns.cloudflare.com, dayana.ns.cloudflare.com, reese.ns.cloudflare.com and jarred.ns.cloudflare.com are often found in use alongside these name servers.

DNS names with 6 IP addresses:

Hostname amalia.ns.cloudflare.com directs to 108.162.194.94, 162.159.38.94 and 172.64.34.94 along with 3 other IP addresses.

Hostname roman.ns.cloudflare.com directs to 108.162.195.103, 162.159.44.103 and 172.64.35.103 along with 3 other IP addresses.

microsoft-office.cn - robtex.com