`a1microsoft.com`

DNSSEC	⚠️ Not signed
A	192.186.45.228^{🇺🇸 AS395776192.186.45.0/24 SKBroadband customer route}
NS	`ns1.dns.com` ⭐
		A	2001:df2:f080:2::1:1^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.23.191.128^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.128^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.dns.com`
		A	2001:df2:f080:2::1:2^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.23.191.129^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.129^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
SOA	`ns1.dns.com`admin@dns.com serial=1768152559

`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=1782064760

rank #723735 globally
rank #317738 in the tld

Same first word

a1microsoft.com

DNS History

7 records (3 active, 4 former)

○NSf1g1ns1.dnspod.net2019-12-25 → 2019-12-25 · 4 obs

○ 2016-12-14 01:51:12
● 2019-12-25 13:45:34
○ 2026-05-23 07:58:20
○ 2026-06-21 18:08:04

○NSf1g1ns2.dnspod.net2019-12-25 → 2019-12-25 · 4 obs

○ 2016-12-14 01:51:12
● 2019-12-25 13:45:34
○ 2026-05-23 07:58:20
○ 2026-06-21 18:08:04

○NSns1.bdydns.cn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 01:51:12
○ 2019-12-25 13:45:34
○ 2026-06-21 18:08:04

●NSns1.dns.com2026-05-23 → 2026-06-21 · 3 obs

○ 2019-12-25 13:45:34
● 2026-05-23 07:58:20
● 2026-06-21 18:08:04

○NSns2.bdydns.cn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 01:51:12
○ 2019-12-25 13:45:34
○ 2026-06-21 18:08:04

●NSns2.dns.com2026-05-23 → 2026-06-21 · 3 obs

○ 2019-12-25 13:45:34
● 2026-05-23 07:58:20
● 2026-06-21 18:08:04

●A192.186.45.2282026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 07:58:20
● 2026-06-21 18:08:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
a1microsoft.com	ns1.dns.com, ns2.dns.com	6 records

✅ Authoritative Response

Server:154.23.191.129

NS records: ns1.dns.com, ns2.dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a1microsoft.com (unsigned zone)

⏱️ Timing

Total: 1113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.186.45.228`
NS	2	`ns1.dns.com, ns2.dns.com`
SOA	1	`ns1.dns.com admin.dns.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)

Analysis

IP Addresses

a1microsoft.com resolves to one IP address: 192.186.45.228.

gz-raising.com, bimschoolgh.com, snxy-edu.com and two other host names share IP numbers with a1microsoft.com.

Name Servers

a1microsoft.com is delegated to two name servers: ns1.dns.com and ns2.dns.com.

a1microsoft.com uses the same name servers as several other domains — among them tariff-china.com, 9799w.com, boshigc.com and two more.

ns1.dns.com has three IP addresses (154.23.191.128, 154.86.21.128 and 2001:df2:f080:2::1:1) and ns2.dns.com has three IP addresses (154.23.191.129, 154.86.21.129 and 2001:df2:f080:2::1:2).

a1microsoft.com - robtex.com

a1microsoft.com

com