ctbi.net - robtex.com

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`ctbi.net`

DNSSEC	⚠️ Not signed
A	2.18.67.79^{🇫🇷 AKAMAI-ASN1}
		PTR	`a2-18-67-79.deploy.static.akamaitechnologies.com`
A	2.18.67.87^{🇫🇷 AKAMAI-ASN1}
NS	`a1-66.akam.net` ⭐
		A	2600:1401:2::42^{🇺🇸 Akamai}
			PTR	`a1-66.akam.net`
			PTR	`ns1-66.akam.net`
		A	193.108.91.66^{🇳🇱 Akamai}
			PTR	`a1-66.akam.net`
			PTR	`ns1-66.akam.net`
NS	`a1-135.akam.net`⚠️
		A	2600:1401:2::87^{🇺🇸 Akamai}
			PTR	`a1-135.akam.net`
			PTR	`ns1-135.akam.net`
		A	193.108.91.135^{🇳🇱 Akamai}
			PTR	`a1-135.akam.net`
			PTR	`ns1-135.akam.net`
NS	`a11-66.akam.net`
		A	2600:1480:1::42^{🇺🇸 Akamai}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
		A	84.53.139.66^{🇳🇱 Akamai}
			PTR	`a11-66.akam.net`
			PTR	`ns4-66.akam.net`
NS	`a16-67.akam.net`
		A	2600:1406:1b::43^{🇺🇸 Akamai}
			PTR	`a16-67.akam.net`
		A	23.211.132.67^{🇺🇸 Akamai}
			PTR	`a16-67.akam.net`
NS	`a18-64.akam.net`
		A	2600:1480:4800::40^{🇺🇸 Akamai}
			PTR	`a18-64.akam.net`
		A	95.101.36.64^{🇳🇱 Akamai}
			PTR	`a18-64.akam.net`
NS	`a26-65.akam.net`
		A	2600:1480:b800::41^{🇺🇸 Akamai}
			PTR	`a26-65.akam.net`
		A	23.74.25.65^{🇺🇸 Akamai}
			PTR	`a26-65.akam.net`
NS	`a7-66.akam.net`
		A	2600:1406:32::42^{🇺🇸 Akamai}
			PTR	`a7-66.akam.net`
			PTR	`ns3-66.akam.net`
		A	23.61.199.66^{🇺🇸 Akamai}
			PTR	`a7-66.akam.net`
			PTR	`ns3-66.akam.net`
SOA	`a1-66.akam.net`admin@dnstinations.com 2012-07-11 #35

`net`

	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=1771291465

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DNS History

16 records (9 active, 7 former)

●NSa1-135.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa1-66.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa11-66.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa16-67.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa18-64.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa26-65.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

●NSa7-66.akam.net2026-02-15 → 2026-02-17 · 3 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-17 06:51:04

○NSbdiia01.fnfis.com2015-04-25 → 2017-10-09 · 4 obs

● 2015-04-25 18:45:18
● 2017-10-09 08:22:36
○ 2026-02-15 23:17:50
○ 2026-02-17 06:51:04

○NSns1.fisglobal.com2015-04-25 → 2017-10-09 · 4 obs

● 2015-04-25 18:45:18
● 2017-10-09 08:22:36
○ 2026-02-15 23:17:50
○ 2026-02-17 06:51:04

○NSns2.fisglobal.com2015-04-25 → 2017-10-09 · 4 obs

● 2015-04-25 18:45:18
● 2017-10-09 08:22:36
○ 2026-02-15 23:17:50
○ 2026-02-17 06:51:04

○NSns3.fisglobal.com2015-04-25 → 2017-10-09 · 4 obs

● 2015-04-25 18:45:18
● 2017-10-09 08:22:36
○ 2026-02-15 23:17:50
○ 2026-02-17 06:51:04

○A147.202.127.702015-04-25 → 2017-10-09 · 4 obs

● 2015-04-25 18:45:18
● 2017-10-09 08:22:36
○ 2026-02-15 23:17:50
○ 2026-02-17 06:51:04

●A2.18.67.792026-02-17 → 2026-02-17 · 3 obs

○ 2026-02-16 00:53:22
● 2026-02-17 06:50:58
● 2026-02-17 06:51:04

●A2.18.67.872026-02-17 → 2026-02-17 · 3 obs

○ 2026-02-16 00:53:22
● 2026-02-17 06:50:58
● 2026-02-17 06:51:04

○A2.21.23.132026-02-15 → 2026-02-16 · 5 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-16 00:53:22
○ 2026-02-17 06:50:58
○ 2026-02-17 06:51:04

○A2.21.23.352026-02-15 → 2026-02-16 · 5 obs

○ 2017-10-09 08:22:36
● 2026-02-15 23:17:50
● 2026-02-16 00:53:22
○ 2026-02-17 06:50:58
○ 2026-02-17 06:51:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctbi.net	a11-66.akam.net, a7-66.akam.net, a16-67.akam.net, a18-64.akam.net...	10 records

✅ Authoritative Response

Server: 23.211.132.67

NS records: a11-66.akam.net, a7-66.akam.net, a16-67.akam.net, a18-64.akam.net, a26-65.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbi.net (unsigned zone)

⏱️ Timing

Total: 339ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`2.18.67.79, 2.18.67.87`
NS	6	`a1-135.akam.net, a18-64.akam.net...`
SOA	1	`a1-66.akam.net admin.dnstinations.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a11-66.akam.net, a11-66.akam.net, a7-66.akam.net...)

AI analysis

ctbi.net resolves to two IP numbers: 2.18.67.79 and 2.18.67.87.

Other host names, for instance a3299.cf.akamai.net, a255.dscq.akamai.net, a3327.ch1.akamai.net.0.1.cn.akamaitech.net, a1027.g2.akamai.net and a1366.q.akamai.net share IP numbers with ctbi.net.

ctbi.net is delegated to seven name servers: a1-135.akam.net, a1-66.akam.net, a11-66.akam.net, a16-67.akam.net, a18-64.akam.net, a26-65.akam.net and a7-66.akam.net.

ctbi.net shares some name servers with other domains, for example mobil.com.az, mastercard.gl, hennesundmauritz.at, vanguardcontracts.com and ftpsllc.com.

these name servers are often used with a13-67.akam.net, a3-66.akam.net, a5-65.akam.net, a6-65.akam.net, a18-67.akam.net, a9-66.akam.net, a14-65.akam.net, a13-65.akam.net, a4-67.akam.net and a28-64.akam.net.

Host names with two IP numbers:

a1-135.akam.net points to: 2600:1401:2::87 and 193.108.91.135; a1-66.akam.net points to: 2600:1401:2::42 and 193.108.91.66; a11-66.akam.net points to: 2600:1480:1::42 and 84.53.139.66; a16-67.akam.net points to: 2600:1406:1b::43 and 23.211.132.67; a18-64.akam.net points to: 2600:1480:4800::40 and 95.101.36.64; a26-65.akam.net points to: 2600:1480:b800::41 and 23.74.25.65; a7-66.akam.net points to: 2600:1406:32::42 and 23.61.199.66.