`clkcalc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:c048^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:29c6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.198^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.72^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`andronicus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c371^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`andronicus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2371^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`andronicus.ns.cloudflare.com`
		A	108.162.195.113^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	162.159.44.113^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	172.64.35.113^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
NS	`treasure.ns.cloudflare.com`
		A	2606:4700:50::a29f:2674^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c274^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`treasure.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2274^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`treasure.ns.cloudflare.com`
		A	108.162.194.116^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	162.159.38.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
		A	172.64.34.116^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`treasure.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.198, 172.67.192.72
		IPv6 hints	2606:4700:3033::ac43:c048, 2606:4700:3036::6815:29c6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOA	`andronicus.ns.cloudflare.com`dns@cloudflare.com serial=2408391110

`com`

	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=1785756507

Same first word

clkcalc.com

DNS History

18 records (6 active, 12 former)

●NSandronicus.ns.cloudflare.com2026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

○NSns1.fkeinternet.net2016-03-25 → 2017-07-04 · 5 obs

○ 2015-12-22 23:38:06
● 2016-03-25 15:41:12
● 2017-07-04 09:20:18
○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○NSns1.sedoparking.com2015-06-06 → 2015-12-22 · 4 obs

● 2015-06-06 19:52:36
● 2015-12-22 23:38:06
○ 2016-03-25 15:41:12
○ 2026-08-03 11:46:38

○NSns2.fkeinternet.net2016-03-25 → 2017-07-04 · 5 obs

○ 2015-12-22 23:38:06
● 2016-03-25 15:41:12
● 2017-07-04 09:20:18
○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○NSns2.sedoparking.com2015-06-06 → 2015-12-22 · 4 obs

● 2015-06-06 19:52:36
● 2015-12-22 23:38:06
○ 2016-03-25 15:41:12
○ 2026-08-03 11:46:38

●NStreasure.ns.cloudflare.com2026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

○MXmail.clkcalc.com2016-03-25 → 2017-07-04 · 5 obs

○ 2015-12-22 23:38:06
● 2016-03-25 15:41:12
● 2017-07-04 09:20:18
○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○MXmail.nickstel.com2015-06-06 → 2015-12-22 · 4 obs

● 2015-06-06 19:52:36
● 2015-12-22 23:38:06
○ 2016-03-25 15:41:12
○ 2026-08-03 11:46:38

○A100.0.193.992016-03-25 → 2017-07-04 · 5 obs

○ 2015-12-22 23:38:06
● 2016-03-25 15:41:12
● 2017-07-04 09:20:18
○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

●A104.21.41.1982026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

●A172.67.192.722026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

○A188.114.96.02026-07-08 → 2026-08-03 · 2 obs

○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○A188.114.97.02026-07-08 → 2026-08-03 · 2 obs

○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

●A2606:4700:3033::ac43:c0482026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

●A2606:4700:3036::6815:29c62026-07-08 → 2026-08-03 · 3 obs

○ 2017-07-04 09:20:18
● 2026-07-08 21:31:10
● 2026-08-03 11:46:38

○A2a06:98c1:3120::2026-07-08 → 2026-08-03 · 2 obs

○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○A2a06:98c1:3121::2026-07-08 → 2026-08-03 · 2 obs

○ 2026-07-08 21:31:10
○ 2026-08-03 11:46:38

○A72.52.4.912015-06-06 → 2015-12-22 · 4 obs

● 2015-06-06 19:52:36
● 2015-12-22 23:38:06
○ 2016-03-25 15:41:12
○ 2026-08-03 11:46:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
clkcalc.com	treasure.ns.cloudflare.com, andronicus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.113

NS records: treasure.ns.cloudflare.com, andronicus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clkcalc.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.192.72, 104.21.41.198`
AAAA	2	`2606:4700:3033::ac43:c048, 2606:4700:3036::6815:29c6`
NS	2	`andronicus.ns.cloudflare.com, treasure.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`andronicus.ns.cloudflare.com dns.cloudfl`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (treasure.ns.cloudflare.com, treasure.ns.cloudflare.com, treasure.ns.cloudflare.com...)

Analysis

IP Addresses

clkcalc.com points to the four IP addresses 104.21.41.198, 172.67.192.72, 2606:4700:3033::ac43:c048 and 2606:4700:3036::6815:29c6.

mail2.goranobradovic.com, cheapdatahub.com, caissa.info plus two other host names have IP numbers in common with clkcalc.com.

Name Servers

clkcalc.com is served by two delegated name servers, andronicus.ns.cloudflare.com and treasure.ns.cloudflare.com.

The name server configuration of clkcalc.com is shared with other domains, for instance xaimg.com, 5jiasuqi.cc, ft9527.com and two others.

There is at least partial name server overlap between clkcalc.com and other domains — sheetplastics.co.uk, justinerussellcowan.com, life24.kz and two more among them.

These name servers tend to appear in combination with the name servers mike.ns.cloudflare.com, titan.ns.cloudflare.com, carla.ns.cloudflare.com and aitana.ns.cloudflare.com.

Hosts with 6 IP addresses each:

andronicus.ns.cloudflare.com carries IP addresses 108.162.195.113, 162.159.44.113 and 172.64.35.113, with 3 other addresses beyond those.

treasure.ns.cloudflare.com carries IP addresses 108.162.194.116, 162.159.38.116 and 172.64.34.116, with 3 other addresses beyond those.

clkcalc.com - robtex.com

clkcalc.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`clkcalc.com`

`com`