ctbholding.com - robtex.com

ctbholding.com

com

WOT: SAFE (1/100)

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSns15.worldnic.comns16.worldnic.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA208.91.197.27
●NSns15.worldnic.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●NSns16.worldnic.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●MXalt1.aspmx.l.google.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●MXalt2.aspmx.l.google.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●MXalt3.aspmx.l.google.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●MXalt4.aspmx.l.google.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●MXaspmx.l.google.com2026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42
●A208.91.197.272026-02-16 β†’ 2026-03-24 Β· 2 obs
● 2026-02-16 13:17:44
● 2026-03-24 18:31:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...-
ctbholding.comns15.worldnic.com, ns16.worldnic.com2 records

βœ… Authoritative Response

Server:162.159.26.214

NS records: ns15.worldnic.com, ns16.worldnic.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbholding.com (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1208.91.197.27
NS2ns16.worldnic.com, ns15.worldnic.com
TXT1google-site-verification=oayXg52sNVUCQvV
SOA1NS15.WORLDNIC.com namehost.WORLDNIC.com

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns15.worldnic.com, ns16.worldnic.com)

Analysis

IP Addresses

ctbholding.com maps to IP address 208.91.197.27.

Other host names, for instance sarah.ellisil.cslegal.com, dictionaryofforestry.org, seahawksemail.com, ns1.pyxl.net and tileston.com share IP numbers with ctbholding.com.

Name Servers

Two name servers ns15.worldnic.com and ns16.worldnic.com are delegated to ctbholding.com.

ctbholding.com uses the same name server configuration as other domains, such as alcm.com, bluecorduroys.biz, itii.us, henrycalvin.com and barouhintegra.com.

ctbholding.com shares some name servers with other domains, for example cancer-info.com.

Host names with a single IP address:

ns15.worldnic.com points to 162.159.26.214

ns16.worldnic.com points to 162.159.27.150

Mail Servers

ctbholding.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

ctbholding.com shares mail servers with other domains at least in part, for instance calibaba.com, childcare-marketing.com, smashart.com, ns500698.ns500698.ns500759.ns500758.ns500698.ns500698.ns500736.ns500735.ns500576.ns500686.ns500576.ns500619.trackreceptor.com and ns500671.ns500731.ns500754.ns500671.ns500731.ns500742.ns500705.ns500705.ns500649.ns500649.ns500666.ns500291.ns500291.ns500131.lustychickser.com.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 142.250.110.26

alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.27

alt2.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1b and 192.178.213.27

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1a and 142.251.96.26

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)