`calculus-help.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:83b2^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:abd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.189^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.178^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`katelyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26eb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katelyn.ns.cloudflare.com`
		A	108.162.194.235^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	162.159.38.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	172.64.34.235^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
NS	`noah.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c185^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2185^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noah.ns.cloudflare.com`
		A	108.162.193.133^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	172.64.33.133^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	173.245.59.133^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.10.189, 172.67.131.178
		IPv6	2606:4700:3032::ac43:83b2, 2606:4700:3037::6815:abd
SOA	`katelyn.ns.cloudflare.com`dns@cloudflare.com serial=2397908983

`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=1771291435

WOT: UNKNOWN (86/100)

Same first word

calculus-help.com

DNS History

21 records (6 active, 15 former)

●NSkatelyn.ns.cloudflare.com2026-03-02 → 2026-03-23 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
● 2026-03-23 14:49:58

●NSnoah.ns.cloudflare.com2026-03-02 → 2026-03-23 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
● 2026-03-23 14:49:58

○NSns01.domaincontrol.com2015-07-13 → 2017-03-24 · 4 obs

● 2015-07-13 00:20:08
● 2017-03-24 20:28:20
○ 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○NSns02.domaincontrol.com2015-07-13 → 2017-03-24 · 4 obs

● 2015-07-13 00:20:08
● 2017-03-24 20:28:20
○ 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○MXalt1.aspmx.l.google.com2015-07-13 → 2015-12-04 · 4 obs

● 2015-07-13 00:20:08
● 2015-12-04 01:14:12
○ 2016-03-24 19:47:46
○ 2026-03-23 14:49:58

○MXalt2.aspmx.l.google.com2015-07-13 → 2015-12-04 · 4 obs

● 2015-07-13 00:20:08
● 2015-12-04 01:14:12
○ 2016-03-24 19:47:46
○ 2026-03-23 14:49:58

○MXaspmx.l.google.com2015-07-13 → 2015-12-04 · 4 obs

● 2015-07-13 00:20:08
● 2015-12-04 01:14:12
○ 2016-03-24 19:47:46
○ 2026-03-23 14:49:58

○MXaspmx2.googlemail.com2015-07-13 → 2015-12-04 · 4 obs

● 2015-07-13 00:20:08
● 2015-12-04 01:14:12
○ 2016-03-24 19:47:46
○ 2026-03-23 14:49:58

○MXaspmx3.googlemail.com2015-07-13 → 2015-12-04 · 4 obs

● 2015-07-13 00:20:08
● 2015-12-04 01:14:12
○ 2016-03-24 19:47:46
○ 2026-03-23 14:49:58

○MXmailstore1.secureserver.net2016-03-24 → 2017-03-24 · 5 obs

○ 2015-12-04 01:14:12
● 2016-03-24 19:47:46
● 2017-03-24 20:28:20
○ 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○MXsmtp.secureserver.net2016-03-24 → 2017-03-24 · 5 obs

○ 2015-12-04 01:14:12
● 2016-03-24 19:47:46
● 2017-03-24 20:28:20
○ 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

●A104.21.10.1892026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-02 02:50:12
● 2026-03-23 14:49:58

●A172.67.131.1782026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-02 02:50:12
● 2026-03-23 14:49:58

○A188.114.96.02026-03-02 → 2026-03-02 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○A188.114.97.02026-03-02 → 2026-03-02 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

●A2606:4700:3032::ac43:83b22026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-02 02:50:12
● 2026-03-23 14:49:58

●A2606:4700:3037::6815:abd2026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-02 02:50:12
● 2026-03-23 14:49:58

○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 3 obs

○ 2017-03-24 20:28:20
● 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○A34.192.244.1592017-03-24 → 2017-03-24 · 4 obs

○ 2016-07-18 11:39:08
● 2017-03-24 20:28:20
○ 2026-03-02 02:50:12
○ 2026-03-23 14:49:58

○A65.39.205.542015-07-13 → 2016-07-18 · 4 obs

● 2015-07-13 00:20:08
● 2016-07-18 11:39:08
○ 2017-03-24 20:28:20
○ 2026-03-23 14:49:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calculus-help.com	noah.ns.cloudflare.com, katelyn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: noah.ns.cloudflare.com, katelyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calculus-help.com (unsigned zone)

⏱️ Timing

Total: 183ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.189, 172.67.131.178`
AAAA	2	`2606:4700:3032::ac43:83b2, 2606:4700:3037::6815:abd`
NS	2	`katelyn.ns.cloudflare.com, noah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`katelyn.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

calculus-help.com points to four IP numbers: 2606:4700:3032::ac43:83b2, 2606:4700:3037::6815:abd, 104.21.10.189 and 172.67.131.178.

Other host names, for instance sandraseasycooking.com, ontariogambling.online, 31.chinazn.com, agence-insina.com and cn.31.chinazn.com share IP numbers with calculus-help.com.

Name Servers

calculus-help.com is delegated to two name servers: katelyn.ns.cloudflare.com and noah.ns.cloudflare.com.

calculus-help.com uses the same name server setup as other domains, for instance animeh.net, sgmenu.org, mmldy.cc, vehiclecheckusa.com and bzoi.top.

calculus-help.com shares name servers with other domains at least partially, for instance va-umd.org, parides.org, beststaffinc.com, yourgodisdead.com and wideplustex.com.

These name servers are commonly used with valentin.ns.cloudflare.com, arturo.ns.cloudflare.com, alfred.ns.cloudflare.com, zeus.ns.cloudflare.com, magdalena.ns.cloudflare.com and kobe.ns.cloudflare.com.

Host names with six IP numbers: katelyn.ns.cloudflare.com points to 2606:4700:50::a29f:26eb, 2803:f800:50::6ca2:c2eb, 2a06:98c1:50::ac40:22eb, 108.162.194.235, 162.159.38.235 and 172.64.34.235; noah.ns.cloudflare.com points to 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.

calculus-help.com - robtex.com