`firstwk.com`

DNSSEC	⚠️ Not signed
A	186.241.247.93^{🇧🇷 UNSPECIFIED160.0.0.0/3}
NS	`a3.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}
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}
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}
NS	`b3.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}
SOA	`a.share-dns.com`master@share-dns.com serial=1777283625

`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=1777358941

Same first word

firstwk.com

DNS History

10 records (5 active, 5 former)

●NSa.share-dns.com2026-04-03 → 2026-04-28 · 3 obs

○ 2017-03-22 16:29:02
● 2026-04-03 21:37:58
● 2026-04-28 07:04:46

●NSa3.share-dns.com2026-04-03 → 2026-04-28 · 3 obs

○ 2017-03-22 16:29:02
● 2026-04-03 21:37:58
● 2026-04-28 07:04:46

●NSb.share-dns.net2026-04-03 → 2026-04-28 · 3 obs

○ 2017-03-22 16:29:02
● 2026-04-03 21:37:58
● 2026-04-28 07:04:46

●NSb3.share-dns.net2026-04-03 → 2026-04-28 · 3 obs

○ 2017-03-22 16:29:02
● 2026-04-03 21:37:58
● 2026-04-28 07:04:46

○NSns15.xincache.com2015-05-19 → 2017-03-22 · 4 obs

● 2015-05-19 04:24:48
● 2017-03-22 16:29:02
○ 2026-04-03 21:37:58
○ 2026-04-28 07:04:46

○NSns16.xincache.com2015-05-19 → 2017-03-22 · 4 obs

● 2015-05-19 04:24:48
● 2017-03-22 16:29:02
○ 2026-04-03 21:37:58
○ 2026-04-28 07:04:46

○A116.255.196.2362017-03-22 → 2017-03-22 · 3 obs

● 2017-03-22 16:29:02
○ 2020-02-08 11:27:26
○ 2026-04-28 07:04:46

○A154.201.248.2542026-04-03 → 2026-04-03 · 3 obs

○ 2020-02-08 11:27:26
● 2026-04-03 21:37:58
○ 2026-04-28 07:04:46

○A154.84.110.1672020-02-08 → 2020-02-08 · 4 obs

○ 2017-03-22 16:29:02
● 2020-02-08 11:27:26
○ 2026-04-03 21:37:58
○ 2026-04-28 07:04:46

●A186.241.247.932026-04-28 → 2026-04-28 · 2 obs

○ 2026-04-03 21:37:58
● 2026-04-28 07:04:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
firstwk.com	b3.share-dns.net, a3.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b3.share-dns.net, a3.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstwk.com (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.241.247.93`
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 (a3.share-dns.com)

Analysis

IP Addresses

firstwk.com points to IP number: 186.241.247.93.

Name Servers

firstwk.com is delegated to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

firstwk.com at least partially shares name servers with other domains, for instance hj8288.com, coco-see.com, xinyou88.net, chuangtongzhi.cn and qianpuwang.com.