`opt-lab.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cnolnic.net` ⭐ ⚠️ Not in zone NS records
		A	240c:4082:0:5d80::2^{🇨🇳 Baidu240c:4082::/32}
		A	106.13.136.254^{🇨🇳 Baidu106.13.128.0/19 AS38365}
		A	182.61.7.97^{🇨🇳 Baidu182.61.0.0/19}
NS	`ns2.cnolnic.net` ⚠️ Not in zone NS records
		A	240c:4081:8000:1702::3^{🇨🇳 Baidu240c:4081::/32}
		A	106.12.41.177^{🇨🇳 Baidu106.12.32.0/19}
		A	180.76.132.69^{🇨🇳 Baidu180.76.128.0/19}
SOA	`ns1.cnolnic.net`root@cnolnic.net 2006-11-24 #1

`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=1778395406

Same first word

opt-lab.com

Similar names

ptb-ola.com

lab-top.pl

lab-top.at

top-bal.ru

pot-lab.com

ptbol-a.com

DNS History

8 records (2 active, 6 former)

●NSns1.cnolnic.net2015-06-19 → 2026-05-10 · 3 obs

○ 2008-03-17 12:42:48
● 2015-06-19 18:25:42
● 2026-05-10 07:02:22

●NSns2.cnolnic.net2015-06-19 → 2026-05-10 · 3 obs

○ 2008-03-17 12:42:48
● 2015-06-19 18:25:42
● 2026-05-10 07:02:22

○MXmx1.nbip.net2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 12:42:48
○ 2015-06-19 18:25:42
○ 2026-05-10 07:02:22

○MXmx151v.chinaemail.cn2015-06-19 → 2017-01-27 · 5 obs

○ 2008-03-17 12:42:48
● 2015-06-19 18:25:42
● 2017-01-27 18:42:42
○ 2026-04-08 03:58:50
○ 2026-05-10 07:02:22

○MXmxa151v.chinaemail.cn2015-06-19 → 2017-01-27 · 5 obs

○ 2008-03-17 12:42:48
● 2015-06-19 18:25:42
● 2017-01-27 18:42:42
○ 2026-04-08 03:58:50
○ 2026-05-10 07:02:22

○A103.254.108.1072016-04-27 → 2017-01-27 · 5 obs

○ 2016-02-10 02:09:52
● 2016-04-27 19:12:54
● 2017-01-27 18:42:42
○ 2026-04-08 03:58:50
○ 2026-05-10 07:02:22

○A174.139.136.352015-06-19 → 2016-02-10 · 5 obs

○ 2008-03-17 12:42:48
● 2015-06-19 18:25:42
● 2016-02-10 02:09:52
○ 2016-04-27 19:12:54
○ 2026-05-10 07:02:22

○A203.175.254.1232008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 12:42:48
○ 2015-06-19 18:25:42
○ 2026-05-10 07:02:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
opt-lab.com	ns1.cnolnic.net, ns2.cnolnic.net	-

✅ Authoritative Response

Server:240c:4081:8000:1702::3

NS records: ns1.cnolnic.net, ns2.cnolnic.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opt-lab.com (unsigned zone)

⏱️ Timing

Total: 3063ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.cnolnic.net, ns1.cnolnic.net`
MX	2	`mx151v.chinaemail.cn (pri: 10), mxa151v.chinaemail.cn (pri: 5)`
TXT	1	`v=spf1 include:spf.chinaemail.cn -all`
SOA	1	`ns1.cnolnic.net root.cnolnic.net`

Analysis

Name Servers

opt-lab.com has two name servers: ns1.cnolnic.net and ns2.cnolnic.net.

opt-lab.com shares the same name server setup as other domains, for example hqdx.com, isport.mobi, bddhospital.com, yxhongtu.com and herbcare365.com.

Host names with three IP numbers: ns1.cnolnic.net points to 240c:4082:0:5d80::2, 106.13.136.254 and 182.61.7.97; ns2.cnolnic.net points to 240c:4081:8000:1702::3, 106.12.41.177 and 180.76.132.69.

opt-lab.com - robtex.com

opt-lab.com

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