`server07.c21.to`

DNSSEC	⚠️ Not signed
A	219.117.255.132^{🇯🇵 InfoSphere219.117.192.0/18 INTERLINK}
		PTR	`server07.c21.to`

`c21.to`

	DNSSEC	⚠️ Not signed
	A	117.102.216.132^{🇯🇵 InfoSphere117.102.192.0/19 Interlink co., ltd. CIDR009}
	A	117.102.216.133^{🇯🇵 InfoSphere117.102.192.0/19 Interlink co., ltd. CIDR009}
	NS	`c21.to` ⭐
	NS	`ns1.c21.to`
	NS	`ns2.c21.to`
	MX	`mail.c21.to` ⭐
	MX	`server.c21.to`⁽²⁰⁾
	MX	`image.c21.to`⁽³⁰⁾
	TXT	`v=spf1 ip4:117.102.216.132 ip4:61.206.121.85 ip4:117.102.216.133 ip4:203.141....`
	SOA	`c21.to`info@c21.to serial=200308100

📈 Tranco rank: #580,753

PTR for

132.255.117.219.in-addr.arpa

Same first word

server07.com

Similar names

server70.com

DNS History

1 record (1 active, 0 former)

●A219.117.255.1322026-03-23 → 2026-03-25 · 2 obs

● 2026-03-23 10:50:46
● 2026-03-25 03:05:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
to	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
c21.to	ns2.c21.to, ns1.c21.to	2 records

✅ Authoritative Response

Server:61.206.121.85

NS records: ns2.c21.to, ns1.c21.to

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for to (unsigned zone)

⏱️ Timing

Total: 876ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.117.255.132`

📌 Glue Records Collected

Total: 10

In-bailiwick: 2 (ns2.c21.to, ns1.c21.to)

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

IP Addresses

server07.c21.to points to a single IP: 219.117.255.132.

Other host names, for instance www.hodaka-j.co.jp, ashikaga-satei.com, friend-chintai.com, onesestate.com and dazaifu-satei.com share IP numbers with server07.c21.to.

server07.c21.to - robtex.com

server07.c21.to

c21.to