`dursys.com`

DNSSEC	⚠️ Not signed
A	154.201.184.212^{🇺🇸 POWERLINE-HK154.201.128.0/17 Digital Core Technology Co., Ltd}
NS	`a9.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-52-239.defastlink.net`
NS	`b9.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-52-239.defastlink.net`
SOA	`a.share-dns.com`master@share-dns.com serial=1773507609

`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

Subdomains

smtp.dursys.com

s1devsdg.dursys.com

Same first word

dursys.com

Similar names

drusys.com

DNS History

13 records (5 active, 8 former)

●NSa.share-dns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-04-02 09:42:30
● 2026-03-23 03:41:36

○NSa7.share-dns.com2026-03-23 → 2026-03-23 · 1 obs

○ 2026-03-23 03:41:36

●NSa9.share-dns.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-04-02 09:42:30
● 2026-03-23 03:41:36

●NSb.share-dns.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-04-02 09:42:30
● 2026-03-23 03:41:36

○NSb7.share-dns.net2026-03-23 → 2026-03-23 · 1 obs

○ 2026-03-23 03:41:36

●NSb9.share-dns.net2026-03-23 → 2026-03-23 · 2 obs

○ 2017-04-02 09:42:30
● 2026-03-23 03:41:36

○NSns0.aitcom.net2015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

○NSns1.aitcom.net2015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

○NSns2.aitcom.net2015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

○MXdursys.com2015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

○MXsmtp.dursys.com2015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

●A154.201.184.2122026-03-23 → 2026-03-23 · 2 obs

○ 2017-04-02 09:42:30
● 2026-03-23 03:41:36

○A216.117.144.2262015-08-18 → 2017-04-02 · 3 obs

● 2015-08-18 23:31:00
● 2017-04-02 09:42:30
○ 2026-03-23 03:41:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
dursys.com	b9.share-dns.net, a9.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b9.share-dns.net, a9.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dursys.com (unsigned zone)

⏱️ Timing

Total: 1144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.201.184.212`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a9.share-dns.com)

Analysis

Hierarchy

dursys.com is a parent of smtp.dursys.com and s1devsdg.dursys.com.

IP Addresses

dursys.com points to a single IP: 154.201.184.212.

Other host names such as smtp.dursys.com and s1devsdg.dursys.com share IP numbers with dursys.com.

Name Servers

dursys.com's delegation is handled by four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.

dursys.com partially shares name servers with other domains; examples include id-bca.asia, submitchina.net, tvdmomo.com, 12743u.com and fhsxfc.com.