`server.a-andrew.com`

DNSSEC	⚠️ Not signed
A	210.171.192.143^{🇯🇵 CHIRORO210.171.192.0/22 Chiroro-Net Co.,Ltd.}
		PTR	`server.a-andrew.com`
NS	`ns1.a-andrew.com` ⭐ ⚠️ Not in parent delegation
		A	210.171.192.143^{🇯🇵 CHIRORO210.171.192.0/22 Chiroro-Net Co.,Ltd.}
			PTR	`server.a-andrew.com`
NS	`ns2.a-andrew.com` ⚠️ Not in parent delegation
		A	210.171.192.143^{🇯🇵 CHIRORO210.171.192.0/22 Chiroro-Net Co.,Ltd.}
			PTR	`server.a-andrew.com`
MX	`server.a-andrew.com` ⭐
		A	210.171.192.143^{🇯🇵 CHIRORO210.171.192.0/22 Chiroro-Net Co.,Ltd.}
			PTR	`server.a-andrew.com`
SOA	`ns1.a-andrew.com`root@server.a-andrew.com 2026-07-05 #0

`a-andrew.com`

	DNSSEC	⚠️ Not signed
	A	210.171.192.143^{🇯🇵 CHIRORO210.171.192.0/22 Chiroro-Net Co.,Ltd.}
	NS	`ns1.a-andrew.com` ⭐
	NS	`ns2.a-andrew.com`
	MX	`a-andrew.com` ⭐
	TXT	`v=spf1 ip4:210.171.192.143 +a +mx ~all`
	SOA	`ns1.a-andrew.com`server@chiroro.com 2026-07-06 #1

PTR for

143.192.171.210.in-addr.arpa

NS for

server.a-andrew.com

Same first word

server.(0x787878)

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server.tc

server.lt

server.fm

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server.kinghost.net

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DNS History

7 records (4 active, 3 former)

●NSns1.a-andrew.com2026-08-01 → 2026-08-01 · 3 obs

○ 2026-04-25 19:04:58
● 2026-08-01 17:02:36
● 2026-08-01 17:02:38

●NSns2.a-andrew.com2026-08-01 → 2026-08-01 · 3 obs

○ 2026-04-25 19:04:58
● 2026-08-01 17:02:36
● 2026-08-01 17:02:38

○NSserver.a-andrew.com2015-07-13 → 2026-04-25 · 4 obs

● 2015-07-13 05:52:26
● 2026-04-25 19:04:58
○ 2026-08-01 17:02:36
○ 2026-08-01 17:02:38

●MXserver.a-andrew.com2026-08-01 → 2026-08-01 · 2 obs

● 2026-08-01 17:02:36
● 2026-08-01 17:02:38

○A::12015-07-13 → 2026-04-25 · 4 obs

● 2015-07-13 05:52:26
● 2026-04-25 19:04:58
○ 2026-08-01 17:02:36
○ 2026-08-01 17:02:38

●A210.171.192.1432026-03-23 → 2026-08-01 · 3 obs

○ 2016-09-26 19:57:36
● 2026-03-23 06:17:10
● 2026-08-01 17:02:38

○A61.115.228.2222015-07-13 → 2016-09-26 · 4 obs

● 2015-07-13 05:52:26
● 2016-09-26 19:57:36
○ 2026-03-23 06:17:10
○ 2026-08-01 17:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
a-andrew.com	ns1.a-andrew.com, ns2.a-andrew.com	2 records

✅ Authoritative Response

Server:210.171.192.143

NS records: ns1.a-andrew.com, ns2.a-andrew.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-andrew.com (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.171.192.143`
NS	2	`ns1.a-andrew.com, ns2.a-andrew.com`
MX	1	`server.a-andrew.com (pri: 0)`
SOA	1	`ns1.a-andrew.com root.server.a-andrew.co`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.a-andrew.com, ns2.a-andrew.com)

Analysis

Name Server Role

server.a-andrew.com is listed as a name server for server.a-andrew.com — it is in-bailiwick, authoritative for its own domain.

IP Addresses

server.a-andrew.com has exactly one IP address — 210.171.192.143.

server.a-andrew.com shares its IP numbers with other host names like ns2.a-andrew.com, a-andrew.com and ns1.a-andrew.com.

Name Servers

server.a-andrew.com is delegated to two name servers: ns1.a-andrew.com and ns2.a-andrew.com.

server.a-andrew.com shares its name server setup with other domains, such as a-andrew.com.

ns1.a-andrew.com and ns2.a-andrew.com both resolve to the same single IP address: 210.171.192.143.

ns1.a-andrew.com and ns2.a-andrew.com are host names that each point to 210.171.192.143 IP addresses.

Mail Servers

server.a-andrew.com uses exactly one mail server, which is server.a-andrew.com.

server.a-andrew.com resolves to a single IP number: 210.171.192.143.

server.a-andrew.com - robtex.com