`tfbyby.com`

DNSSEC	⚠️ Not signed
A	38.238.199.25^{🇺🇸 HDHK38.238.192.0/20}
NS	`a12.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	`b12.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=1770710292

`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=1778349401

Same first word

tfbyby.com

DNS History

14 records (5 active, 9 former)

●NSa.share-dns.com2026-05-09 → 2026-05-09 · 2 obs

○ 2016-07-08 06:17:12
● 2026-05-09 17:58:40

●NSa12.share-dns.com2026-05-09 → 2026-05-09 · 2 obs

○ 2016-07-08 06:17:12
● 2026-05-09 17:58:40

●NSb.share-dns.net2026-05-09 → 2026-05-09 · 2 obs

○ 2016-07-08 06:17:12
● 2026-05-09 17:58:40

●NSb12.share-dns.net2026-05-09 → 2026-05-09 · 2 obs

○ 2016-07-08 06:17:12
● 2026-05-09 17:58:40

○NSns1.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○NSns2.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○NSns3.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○NSns4.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○NSns5.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○NSns6.myhostadmin.net2015-07-24 → 2016-07-08 · 3 obs

● 2015-07-24 06:13:38
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○A118.123.20.1472015-07-24 → 2016-03-04 · 4 obs

● 2015-07-24 06:13:38
● 2016-03-04 02:20:50
○ 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

○A211.149.208.2002016-07-08 → 2016-07-08 · 3 obs

○ 2016-03-04 02:20:50
● 2016-07-08 06:17:12
○ 2026-05-09 17:58:40

●A38.238.199.252026-05-09 → 2026-05-09 · 2 obs

○ 2016-07-08 06:17:12
● 2026-05-09 17:58:40

○CNAME8v5fpkjz.advanced.yunduannode.com2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 17:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
tfbyby.com	b12.share-dns.net, a12.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b12.share-dns.net, a12.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tfbyby.com (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.238.199.25`
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 (a12.share-dns.com)

Analysis

IP Addresses

tfbyby.com points to a single IP number: 38.238.199.25.

Other host names, for instance yz-filter.com, share IP numbers with tfbyby.com.

Name Servers

tfbyby.com is delegated to four name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

tfbyby.com at least partially shares name servers with other domains, for instance cb30ad3d3e18fa51.com, rcronk.com, krkn-market.top, tlsxt.com and scstec.org.