`ctfrank.org`

DNSSEC	⚠️ Not signed
A	43.248.64.114^{🇭🇰 XRUI-AS-AP43.248.64.0/22 POKAM INFORMATION TECHNOLOGY CO.,LIMITED UNIT 04，7/F BRIGHT WAY TWOER NO.33 MONG KOK RD KL}
NS	`a6.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	`b6.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=1748531630

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

Subdomains

www.ctfrank.org

Same first word

ctfrank.org

Similar names

tcfrank.com

DNS History

8 records (5 active, 3 former)

●NSa.share-dns.com2026-03-12 → 2026-03-24 · 3 obs

○ 2017-05-28 23:59:16
● 2026-03-12 08:20:28
● 2026-03-24 01:38:42

●NSa6.share-dns.com2026-03-12 → 2026-03-24 · 3 obs

○ 2017-05-28 23:59:16
● 2026-03-12 08:20:28
● 2026-03-24 01:38:42

●NSb.share-dns.net2026-03-12 → 2026-03-24 · 3 obs

○ 2017-05-28 23:59:16
● 2026-03-12 08:20:28
● 2026-03-24 01:38:42

●NSb6.share-dns.net2026-03-12 → 2026-03-24 · 3 obs

○ 2017-05-28 23:59:16
● 2026-03-12 08:20:28
● 2026-03-24 01:38:42

○NSdns15.hichina.com2017-05-28 → 2017-05-28 · 3 obs

● 2017-05-28 23:59:16
○ 2026-03-12 08:20:28
○ 2026-03-24 01:38:42

○NSdns16.hichina.com2017-05-28 → 2017-05-28 · 3 obs

● 2017-05-28 23:59:16
○ 2026-03-12 08:20:28
○ 2026-03-24 01:38:42

●A43.248.64.1142026-03-12 → 2026-03-24 · 3 obs

○ 2017-05-28 23:59:16
● 2026-03-12 08:20:28
● 2026-03-24 01:38:42

○A45.63.35.1952017-05-28 → 2017-05-28 · 3 obs

● 2017-05-28 23:59:16
○ 2026-03-12 08:20:28
○ 2026-03-24 01:38:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
ctfrank.org	b6.share-dns.net, a6.share-dns.com	-

✅ Authoritative Response

Server:172.64.52.239

NS records: b6.share-dns.net, a6.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctfrank.org (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.248.64.114`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

Analysis

Hierarchy

The parent of www.ctfrank.org is ctfrank.org.

IP Addresses

ctfrank.org points to IP number: 43.248.64.114.

Other host names, for instance www.ctfrank.org share IP numbers with ctfrank.org.

Name Servers

ctfrank.org is delegated to four name servers: a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net.

ctfrank.org at least partially shares name servers with other domains, for instance hh5200.com, lbif.cn, ibyeryw.com, healingharpstrings.com and yggbc.com.