`rflabcircuits.com`

DNSSEC	⚠️ Not signed
A	59.188.255.41^{🇭🇰 HKBNESL-AS-AP59.188.255.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T.}
		PTR	`059188255041.static.ctinets.com`
NS	`dns5.4cun.com` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
NS	`dns6.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
MX	`mail2.4cun.com`⁽⁹⁹⁹⁾
		A	202.102.86.238^{🇨🇳 CHINATELECOM-JIANGSU-NANJING-IDC202.102.80.0/20 CTJS NJ-IDC}
			PTR	`mail1238.4cun.com`
MX	`mx.sxy.top`⁽⁹⁹⁹⁾
		A	101.237.133.12^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
MX	`mx1.sxy.top`⁽⁹⁹⁹⁾
		A	101.237.133.12^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}

`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=1771291435

rflabcircuits.com

7 records (6 active, 1 former)

○NSdns.4cun.com2015-06-01 → 2018-09-28 · 4 obs

● 2015-06-01 14:52:30
● 2018-09-28 11:15:34
○ 2026-02-15 11:31:44
○ 2026-03-24 13:17:40

●NSdns5.4cun.com2026-02-15 → 2026-03-24 · 3 obs

○ 2018-09-28 11:15:34
● 2026-02-15 11:31:44
● 2026-03-24 13:17:40

●NSdns6.51dns.top2026-02-15 → 2026-03-24 · 3 obs

○ 2018-09-28 11:15:34
● 2026-02-15 11:31:44
● 2026-03-24 13:17:40

●MXmail2.4cun.com2015-06-01 → 2026-03-24 · 2 obs

● 2015-06-01 14:52:30
● 2026-03-24 13:17:40

●MXmx.sxy.top2026-02-15 → 2026-03-24 · 3 obs

○ 2015-06-01 14:52:30
● 2026-02-15 11:31:44
● 2026-03-24 13:17:40

●MXmx1.sxy.top2026-02-15 → 2026-03-24 · 3 obs

○ 2015-06-01 14:52:30
● 2026-02-15 11:31:44
● 2026-03-24 13:17:40

●A59.188.255.412015-06-01 → 2026-03-24 · 2 obs

● 2015-06-01 14:52:30
● 2026-03-24 13:17:40

rflabcircuits.com points to IP number 59.188.255.41.

Other host names, for example coscodc.w243-e1.ezwebtest.com and 059188255041.static.ctinets.com, share IPs with rflabcircuits.com.

rflabcircuits.com is delegated to two name servers: dns5.4cun.com and dns6.51dns.top.

rflabcircuits.com uses the same name server setup as other domains such as syneuedu.com, zjz001.com, gonyingfloor.com, lutron18.com and bljyjd.com.

rflabcircuits.com shares name servers with other domains at least partially, for example sinoric.com, hjzslxx.net, sz-spr.com, airkins.com and 21ur.com.

These name servers are often used together with the name servers dns.4cun.com, dns6.4cun.com, dns3.4cun.com, dns7.4cun.com and dns5.zgsj.com.

Host names with two IP numbers:

rflabcircuits.com is served by three mail servers: mail2.4cun.com, mx1.sxy.top and mx.sxy.top.

rflabcircuits.com shares mail servers with other domains at least partially; for instance ipcah.com, vilbrake.com, cplow.com, longehr.com and dingruiit.com.