`sgmicrosoftoffice365.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4ccd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:c8b7^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.205^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.183^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noah.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c185^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2185^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noah.ns.cloudflare.com`
		A	108.162.193.133^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	172.64.33.133^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	173.245.59.133^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
MX	`sgmicrosoftoffice365-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms94389054`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.205, 172.67.200.183
		IPv6 hints	2606:4700:3030::6815:4ccd, 2606:4700:3031::ac43:c8b7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOA	`noah.ns.cloudflare.com`dns@cloudflare.com serial=2402440322

`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=1777073536

Same first word

sgmicrosoftoffice365.com

DNS History

20 records (7 active, 13 former)

○NSdns1.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○NSdns2.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○NSdns3.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○NSdns4.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○NSdns5.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

●NSnoah.ns.cloudflare.com2015-12-01 → 2026-04-24 · 3 obs

○ 2015-07-17 14:32:24
● 2015-12-01 22:22:56
● 2026-04-24 23:54:34

●NSolga.ns.cloudflare.com2015-12-01 → 2026-04-24 · 3 obs

○ 2015-07-17 14:32:24
● 2015-12-01 22:22:56
● 2026-04-24 23:54:34

○MXeforwardct.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○MXeforwardct2.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○MXeforwardct3.name-services.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

●MXsgmicrosoftoffice365-com.mail.protection.outlook.com2015-12-01 → 2026-04-24 · 3 obs

○ 2015-07-17 14:32:24
● 2015-12-01 22:22:56
● 2026-04-24 23:54:34

●A104.21.76.2052026-04-20 → 2026-04-24 · 3 obs

○ 2017-03-22 05:42:18
● 2026-04-20 22:57:42
● 2026-04-24 23:54:34

○A104.27.152.1032015-12-01 → 2017-03-22 · 5 obs

○ 2015-07-17 14:32:24
● 2015-12-01 22:22:56
● 2017-03-22 05:42:18
○ 2026-04-20 22:57:42
○ 2026-04-24 23:54:34

○A104.27.153.1032015-12-01 → 2017-03-22 · 5 obs

○ 2015-07-17 14:32:24
● 2015-12-01 22:22:56
● 2017-03-22 05:42:18
○ 2026-04-20 22:57:42
○ 2026-04-24 23:54:34

●A172.67.200.1832026-04-20 → 2026-04-24 · 3 obs

○ 2017-03-22 05:42:18
● 2026-04-20 22:57:42
● 2026-04-24 23:54:34

○A199.34.228.422015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 14:32:24
○ 2015-12-01 22:22:56
○ 2026-04-24 23:54:34

○A2400:cb00:2048:1::681b:98672017-03-22 → 2017-03-22 · 4 obs

○ 2015-12-01 22:22:56
● 2017-03-22 05:42:18
○ 2026-04-20 22:57:42
○ 2026-04-24 23:54:34

○A2400:cb00:2048:1::681b:99672017-03-22 → 2017-03-22 · 4 obs

○ 2015-12-01 22:22:56
● 2017-03-22 05:42:18
○ 2026-04-20 22:57:42
○ 2026-04-24 23:54:34

●A2606:4700:3030::6815:4ccd2026-04-20 → 2026-04-24 · 3 obs

○ 2017-03-22 05:42:18
● 2026-04-20 22:57:42
● 2026-04-24 23:54:34

●A2606:4700:3031::ac43:c8b72026-04-20 → 2026-04-24 · 3 obs

○ 2017-03-22 05:42:18
● 2026-04-20 22:57:42
● 2026-04-24 23:54:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
sgmicrosoftoffice365.com	noah.ns.cloudflare.com, olga.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.137

NS records: noah.ns.cloudflare.com, olga.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sgmicrosoftoffice365.com (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.183, 104.21.76.205`
AAAA	2	`2606:4700:3031::ac43:c8b7, 2606:4700:3030::6815:4ccd`
NS	2	`noah.ns.cloudflare.com, olga.ns.cloudflare.com`
MX	1	`sgmicrosoftoffice365-com.mail.protection`
TXT	2	`MS=ms94389054, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noah.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (noah.ns.cloudflare.com, noah.ns.cloudflare.com, noah.ns.cloudflare.com...)

Analysis

IP Addresses

sgmicrosoftoffice365.com resolves to four IPs: 2606:4700:3030::6815:4ccd, 2606:4700:3031::ac43:c8b7, 104.21.76.205 and 172.67.200.183.

Other host names such as esteseducator.com, practicingidealist.com, theliosarvin.com, www.jaecoo.com.tr and www.ycjtw.com share IP numbers with sgmicrosoftoffice365.com.

Name Servers

sgmicrosoftoffice365.com is delegated to two name servers: noah.ns.cloudflare.com and olga.ns.cloudflare.com.

sgmicrosoftoffice365.com uses the same name server setup as other domains, including teamtvsport.com, enterpriseexchangesecurity.com, sgefs.com, awowjob.com and cams88.com.

At least part of the name servers for sgmicrosoftoffice365.com are shared with other domains, for instance eridotcom.workers.dev, wagerenterprise.co.uk, clayz.de, mc-forum.net and ironworks.cc.

These name servers are commonly used alongside carl.ns.cloudflare.com and jill.ns.cloudflare.com.

Host names with six IP numbers:

noah.ns.cloudflare.com points to: 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.

olga.ns.cloudflare.com points to: 2606:4700:50::adf5:3a89, 2803:f800:50::6ca2:c089, 2a06:98c1:50::ac40:2089, 108.162.192.137, 172.64.32.137 and 173.245.58.137.

Mail Servers

The mail server for sgmicrosoftoffice365.com is sgmicrosoftoffice365-com.mail.protection.outlook.com.

Host name sgmicrosoftoffice365-com.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

sgmicrosoftoffice365.com - robtex.com