`opldb.com`

DNSSEC	⚠️ Not signed
A	156.239.165.248^{🇺🇸 USZNI-AS-AP156.239.160.0/20}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-251.defastlink.net`
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1757036531

`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

Same first word

opldb.com

Similar names

dlbpo.net

bpold.co.uk

polbd.com

dlbpo.cn

opdlb.org

DNS History

8 records (5 active, 3 former)

○NSdns11.hichina.com2019-12-15 → 2019-12-15 · 2 obs

● 2019-12-15 21:29:22
○ 2026-03-23 17:37:34

○NSdns12.hichina.com2019-12-15 → 2019-12-15 · 2 obs

● 2019-12-15 21:29:22
○ 2026-03-23 17:37:34

●NSns1.judns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2019-12-15 21:29:22
● 2026-03-23 17:37:34

●NSns1.julydns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2019-12-15 21:29:22
● 2026-03-23 17:37:34

●NSns2.judns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2019-12-15 21:29:22
● 2026-03-23 17:37:34

●NSns2.julydns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2019-12-15 21:29:22
● 2026-03-23 17:37:34

●A156.239.165.2482026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 17:37:34

○CNAMEop888.gotoip3.com2019-12-15 → 2019-12-15 · 2 obs

● 2019-12-15 21:29:22
○ 2026-03-23 17:37:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
opldb.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opldb.com (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.239.165.248`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

opldb.com resolves to one IP number: 156.239.165.248.

Other host names, for instance tuozhana.com, share IP numbers with opldb.com.

Name Servers

opldb.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

opldb.com at least partially shares name servers with other domains, for instance sichuansy.com, cnketai.cn, armor-web.com, xiaobaogongshe.com and zyyzb.com.