rtcs.us - dns.ninja

`rtcs.us`

DNSSEC	⚠️ Not signed
NS	`a1-222.akam.net` ⭐
		A	2600:1401:2::de^{🇺🇸 Akamai2600:1401:2::/48 Technologies}
			PTR	`a1-222.akam.net`
			PTR	`ns1-222.akam.net`
		A	193.108.91.222^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-222.akam.net`
			PTR	`ns1-222.akam.net`
NS	`a12-65.akam.net`
		A	2600:1480:f000::41^{🇺🇸 Akamai2600:1480:f000::/48 Technologies}
			PTR	`a12-65.akam.net`
		A	184.26.160.65^{🇺🇸 Akamai184.26.160.0/24 Technologies}
			PTR	`a12-65.akam.net`
NS	`a2-66.akam.net`
		A	2600:1480:7000::42^{🇺🇸 Akamai2600:1480:7000::/48 Technologies}
			PTR	`a2-66.akam.net`
		A	95.100.174.66^{🇳🇱 Akamai95.100.174.0/24 Technologies}
			PTR	`a2-66.akam.net`
NS	`a3-67.akam.net`
		A	2600:1408:1c::43^{🇺🇸 Akamai2600:1408:1c::/48 Technologies}
			PTR	`a3-67.akam.net`
			PTR	`ns7-67.akam.net`
		A	96.7.49.67^{🇺🇸 Akamai96.7.49.0/24 Technologies}
			PTR	`a3-67.akam.net`
			PTR	`ns7-67.akam.net`
NS	`a4-64.akam.net`
		A	2600:1480:9000::40^{🇺🇸 Akamai2600:1480:9000::/48 Technologies}
			PTR	`a4-64.akam.net`
		A	72.246.46.64^{🇺🇸 Akamai72.246.46.0/24 Technologies}
			PTR	`a4-64.akam.net`
			PTR	`use1.akam.net`
NS	`a5-65.akam.net`
		A	2600:1480:b000::41^{🇺🇸 Akamai2600:1480:b000::/48 Technologies}
			PTR	`a5-65.akam.net`
			PTR	`ns6-65.akam.net`
		A	95.100.168.65^{🇳🇱 Akamai95.100.168.0/24 Technologies}
			PTR	`a5-65.akam.net`
			PTR	`ns6-65.akam.net`
TXT	`v=spf1 -all`
SOA	`a1-222.akam.net`hostmaster@rtcs.us 2023-10-10 #1

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1785108062

Same first word

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rcts.co.uk

csrt.hu

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strc.be

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scrt.link

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scrt.pl

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rsct.com

crst.in

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rstc.edu

scrt.scot

crts.ru

trsc.nic.in

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ctsr.pl

tscr.nyc

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trsc.ac.th

rstc.fi

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crts.io

DNS History

12 records (6 active, 6 former)

●NSa1-222.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

●NSa12-65.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

●NSa2-66.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

●NSa3-67.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

●NSa4-64.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

●NSa5-65.akam.net2026-02-15 → 2026-07-26 · 3 obs

○ 2016-04-06 17:38:38
● 2026-02-15 16:42:10
● 2026-07-26 23:59:16

○NSns1.mydyndns.org2015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 01:45:04
● 2016-04-06 17:38:38
○ 2026-02-15 16:42:10
○ 2026-07-26 23:59:16

○NSns1169.dns.dyn.com2015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 01:45:04
● 2016-04-06 17:38:38
○ 2026-02-15 16:42:10
○ 2026-07-26 23:59:16

○NSns2161.dns.dyn.com2015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 01:45:04
● 2016-04-06 17:38:38
○ 2026-02-15 16:42:10
○ 2026-07-26 23:59:16

○NSns3152.dns.dyn.com2015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 01:45:04
● 2016-04-06 17:38:38
○ 2026-02-15 16:42:10
○ 2026-07-26 23:59:16

○NSns4161.dns.dyn.com2015-06-03 → 2016-04-06 · 4 obs

● 2015-06-03 01:45:04
● 2016-04-06 17:38:38
○ 2026-02-15 16:42:10
○ 2026-07-26 23:59:16

○A66.6.179.162015-06-03 → 2026-02-15 · 4 obs

● 2015-06-03 01:45:04
● 2026-02-15 16:42:10
○ 2026-03-15 03:37:04
○ 2026-07-26 23:59:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
rtcs.us	a4-64.akam.net, a12-65.akam.net, a1-222.akam.net, a3-67.akam.net...	-

✅ Authoritative Response

Server:72.246.46.64

NS records: a4-64.akam.net, a12-65.akam.net, a1-222.akam.net, a3-67.akam.net, a2-66.akam.net, a5-65.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtcs.us (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`a3-67.akam.net, a2-66.akam.net...`
TXT	1	`v=spf1 -all`
SOA	1	`a1-222.akam.net hostmaster.rtcs.us`

Analysis

Name Servers

rtcs.us carries NS records listing 6 name servers — a1-222.akam.net, a12-65.akam.net, a2-66.akam.net and 3 others.

At least some of rtcs.us's name servers are shared with other domains, for example fifa2005latino.com, tp.edu.sg, my-motox.co and two more.

These name servers tend to co-occur with a4-64.akam.net, a3-67.akam.net, a5-65.akam.net and 7 other name servers in the same DNS delegations.

Host names that have two IP addresses:

The A records for a1-222.akam.net return 193.108.91.222 and 2600:1401:2::de.

The A records for a12-65.akam.net return 184.26.160.65 and 2600:1480:f000::41.

The A records for a2-66.akam.net return 95.100.174.66 and 2600:1480:7000::42.

The A records for a3-67.akam.net return 96.7.49.67 and 2600:1408:1c::43.

The A records for a4-64.akam.net return 72.246.46.64 and 2600:1480:9000::40.

The A records for a5-65.akam.net return 95.100.168.65 and 2600:1480:b000::41.