circlelab.com - dns.ninja

`circlelab.com`

DNSSEC	⚠️ Not signed
A	2403:3a00:101:f:219:94:163:235^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www1595.sakura.ne.jp`
A	219.94.163.235^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`circlelab.com` ⭐
		A	2403:3a00:101:f:219:94:163:235^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www1595.sakura.ne.jp`
		A	219.94.163.235^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www1595.sakura.ne.jp`
TXT	`v=spf1 a:www1595.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-03-29 #11

`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=1785261112

WOT: SAFE (60/100)

MX for

circlelab.com

Subdomains

www.circlelab.com

Same first word

circlelab.it

circlelab.de

circlelab.com

circlelab.net

circlelab.eu

circlelab.org

Similar names

labcircle.net

labcircle.de

calibercl.com

cibercall.net

caribcell.com

librecalc.com

cibercall.com

DNS History

17 records (6 active, 11 former)

○NS01.dnsv.jp2015-07-21 → 2020-03-20 · 4 obs

● 2015-07-21 08:12:12
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○NS02.dnsv.jp2015-07-21 → 2020-03-20 · 4 obs

● 2015-07-21 08:12:12
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○NS03.dnsv.jp2015-07-21 → 2020-03-20 · 4 obs

● 2015-07-21 08:12:12
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○NS04.dnsv.jp2015-07-21 → 2020-03-20 · 4 obs

● 2015-07-21 08:12:12
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

●NSmaster.dns.ne.jp2026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

●NSns1.dns.ne.jp2026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

●NSns2.dns.ne.jp2026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

●MXcirclelab.com2026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

○MXs193.coreserver.jp2020-03-20 → 2020-03-20 · 4 obs

○ 2017-03-22 18:24:34
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○MXs3.valueserver.jp2015-07-21 → 2017-03-22 · 4 obs

● 2015-07-21 08:12:12
● 2017-03-22 18:24:34
○ 2020-03-20 16:19:44
○ 2026-07-28 18:00:30

○MXwww.circlelab.com2015-07-21 → 2020-03-20 · 4 obs

● 2015-07-21 08:12:12
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○A157.7.185.782015-07-21 → 2017-03-22 · 4 obs

● 2015-07-21 08:12:12
● 2017-03-22 18:24:34
○ 2020-03-20 16:19:44
○ 2026-07-28 18:00:30

○A202.172.28.1942020-03-20 → 2020-03-20 · 4 obs

○ 2017-03-22 18:24:34
● 2020-03-20 16:19:44
○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

○A219.94.163.1702026-04-04 → 2026-07-28 · 2 obs

○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

●A219.94.163.2352026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

○A2403:3a00:101:f:219:94:163:1702026-04-04 → 2026-07-28 · 2 obs

○ 2026-04-04 06:57:28
○ 2026-07-28 18:00:30

●A2403:3a00:101:f:219:94:163:2352026-04-04 → 2026-07-28 · 3 obs

○ 2020-03-20 16:19:44
● 2026-04-04 06:57:28
● 2026-07-28 18:00:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
circlelab.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circlelab.com (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.94.163.235`
AAAA	1	`2403:3a00:101:f:219:94:163:235`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`circlelab.com (pri: 10)`
TXT	1	`v=spf1 a:www1595.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Hierarchy

The domain www.circlelab.com falls under the parent circlelab.com.

Mail Server Role

circlelab.com serves as a mail server for circlelab.com.

IP Addresses

circlelab.com has two IP addresses: 219.94.163.235 and 2403:3a00:101:f:219:94:163:235

sanjian.jp, bears-k.co.jp, gejibe.com plus two other host names have IP numbers in common with circlelab.com.

Name Servers

circlelab.com has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of circlelab.com's name servers are shared with other domains, for example jcsw-net.jp, shirawobi.com, msv-im00418.sakura.ne.jp and two more.

These name servers tend to be used in conjunction with the name servers dns.sakura.ad.jp.

Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

circlelab.com uses exactly one mail server, which is circlelab.com.

circlelab.com directs to two IP numbers, 219.94.163.235 and 2403:3a00:101:f:219:94:163:235.