blk.ctdisk.com - robtex.com

blk.ctdisk.com

CNAMEweb.cdn.ctfile.com
DNSSEC⚠️ Not signed
A54.248.138.103🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix
PTRec2-54-248-138-103.ap-northeast-1.compute.amazonaws.com
A54.248.203.180🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix

ctdisk.com

CNAMEweb.cdn.ctfile.com
DNSSEC⚠️ Not signed
A54.248.138.103🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix
A54.248.203.180🇯🇵 Amazon54.248.128.0/17 EC2 NRT prefix
WOT: SAFE (77/100)
rank #463915 globally
rank #202786 in the tld
WOT: SAFE (77/100)

Same first word

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klb.com.tw
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klb.dk
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kbl.net.pk
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lkb.legnica.pl

DNS History

11 records (1 active, 10 former)

20162017201820192020202120222023202420252026A103.207.68.149139.162.13.91139.162.6.218203.88.164.214203.88.164.4747.90.18.5349.213.12.94CNAMEweb.cdn.ctfile.comhk.cdn.ctdisk.comweb.blk.ctdisk.comweb.cdn.ctdisk.com
○A103.207.68.1492016-04-20 → 2016-04-20 · 4 obs
○ 2016-01-28 09:22:18
● 2016-04-20 22:27:20
○ 2016-05-26 18:23:10
○ 2026-04-27 23:35:10
○A139.162.13.912015-11-09 → 2015-11-12 · 5 obs
○ 2015-08-06 10:57:56
● 2015-11-09 21:40:48
● 2015-11-12 07:32:40
○ 2015-11-18 18:14:10
○ 2026-04-27 23:35:10
○A139.162.6.2182015-11-09 → 2015-11-12 · 5 obs
○ 2015-08-06 10:57:56
● 2015-11-09 21:40:48
● 2015-11-12 07:32:40
○ 2015-11-18 18:14:10
○ 2026-04-27 23:35:10
○A203.88.164.2142015-08-06 → 2015-08-06 · 3 obs
● 2015-08-06 10:57:56
○ 2026-02-24 13:42:32
○ 2026-04-27 23:35:10
○A203.88.164.472015-08-06 → 2015-08-06 · 3 obs
● 2015-08-06 10:57:56
○ 2026-02-24 13:42:32
○ 2026-04-27 23:35:10
○A47.90.18.532016-05-26 → 2016-12-04 · 5 obs
○ 2016-04-20 22:27:20
● 2016-05-26 18:23:10
● 2016-12-04 19:02:08
○ 2021-09-18 23:12:54
○ 2026-04-27 23:35:10
○A49.213.12.942015-11-18 → 2016-01-28 · 5 obs
○ 2015-11-12 07:32:40
● 2015-11-18 18:14:10
● 2016-01-28 09:22:18
○ 2016-04-20 22:27:20
○ 2026-04-27 23:35:10
○CNAMEhk.cdn.ctdisk.com2015-11-09 → 2016-12-04 · 5 obs
○ 2015-08-06 10:57:56
● 2015-11-09 21:40:48
● 2016-12-04 19:02:08
○ 2021-09-18 23:12:54
○ 2026-04-27 23:35:10
○CNAMEweb.blk.ctdisk.com2015-08-06 → 2015-11-18 · 4 obs
● 2015-08-06 10:57:56
● 2015-11-18 18:14:10
○ 2016-01-28 09:22:18
○ 2026-04-27 23:35:10
○CNAMEweb.cdn.ctdisk.com2016-01-28 → 2016-12-04 · 5 obs
○ 2015-11-18 18:14:10
● 2016-01-28 09:22:18
● 2016-12-04 19:02:08
○ 2021-09-18 23:12:54
○ 2026-04-27 23:35:10
●CNAMEweb.cdn.ctfile.com2021-09-18 → 2026-04-27 · 3 obs
○ 2016-12-04 19:02:08
● 2021-09-18 23:12:54
● 2026-04-27 23:35:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
ctdisk.comdns3.hichina.com, dns4.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctdisk.com (unsigned zone)

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1web.cdn.ctfile.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

blk.ctdisk.com points to two IPs: 54.248.138.103 and 54.248.203.180.

Other host names including ec2-54-248-203-180.ap-northeast-1.compute.amazonaws.com, web.cdn.ctfile.com, directlink.gbcache.ctfile.net, hk2.cdn.web.ctfile.net and ec2-54-248-138-103.ap-northeast-1.compute.amazonaws.com share IP numbers with blk.ctdisk.com.