calcsystems.com - robtex.com

calcsystems.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:e13🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:ca2e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.19Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.46🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSliberty.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26f0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A2803:f800:50::6ca2:c2f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliberty.ns.cloudflare.com
A2a06:98c1:50::ac40:22f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliberty.ns.cloudflare.com
A108.162.194.240🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A162.159.38.240Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A172.64.34.240🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
NSmorgan.ns.cloudflare.com
A2606:4700:58::a29f:2c84🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmorgan.ns.cloudflare.com
A2803:f800:50::6ca2:c384🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmorgan.ns.cloudflare.com
A2a06:98c1:50::ac40:2384🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmorgan.ns.cloudflare.com
A108.162.195.132🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmorgan.ns.cloudflare.com
A162.159.44.132Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmorgan.ns.cloudflare.com
A172.64.35.132🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmorgan.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=dC5k2AqfVEDQ1Oxf8kldx-HUOkCZczDnZJY4lKlP2qY
TXTgoogle-site-verification=zfk3CoH6bXHE9eT0S7aaQhUAfvocp-jwk3DmuC4f2zw
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.19, 172.67.202.46
IPv6 hints2606:4700:3030::6815:e13, 2606:4700:3031::ac43:ca2e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAliberty.ns.cloudflare.comdns@cloudflare.com serial=2403667117

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778301576

Subdomains

js.calcsystems.com

Same first word

calcsystems.com

DNS History

18 records (11 active, 7 former)

20192020202120222023202420252026NSliberty.ns.cloudflare.commorgan.ns.cloudflare.coma.root-servers.netns1.calcsystems.comns2.calcsystems.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.14.19172.67.202.462606:4700:3030::6815:e132606:4700:3031::ac43:ca2e5.188.87.14
○NSa.root-servers.net2018-09-30 → 2026-02-17 · 4 obs
● 2018-09-30 04:22:48
● 2026-02-17 02:41:54
○ 2026-02-18 02:29:52
○ 2026-05-09 04:47:14
●NSliberty.ns.cloudflare.com2026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
●NSmorgan.ns.cloudflare.com2026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
○NSns1.calcsystems.com2018-09-30 → 2026-02-17 · 4 obs
● 2018-09-30 04:22:48
● 2026-02-17 02:41:54
○ 2026-02-18 02:29:52
○ 2026-05-09 04:47:14
○NSns2.calcsystems.com2018-09-30 → 2026-02-17 · 4 obs
● 2018-09-30 04:22:48
● 2026-02-17 02:41:54
○ 2026-02-18 02:29:52
○ 2026-05-09 04:47:14
●MXalt1.aspmx.l.google.com2026-05-08 → 2026-05-09 · 3 obs
○ 2026-05-01 16:33:14
● 2026-05-08 12:31:54
● 2026-05-09 04:47:14
●MXalt2.aspmx.l.google.com2026-05-08 → 2026-05-09 · 3 obs
○ 2026-05-01 16:33:14
● 2026-05-08 12:31:54
● 2026-05-09 04:47:14
●MXalt3.aspmx.l.google.com2026-05-08 → 2026-05-09 · 3 obs
○ 2026-05-01 16:33:14
● 2026-05-08 12:31:54
● 2026-05-09 04:47:14
●MXalt4.aspmx.l.google.com2026-05-08 → 2026-05-09 · 3 obs
○ 2026-05-01 16:33:14
● 2026-05-08 12:31:54
● 2026-05-09 04:47:14
●MXaspmx.l.google.com2026-05-08 → 2026-05-09 · 3 obs
○ 2026-05-01 16:33:14
● 2026-05-08 12:31:54
● 2026-05-09 04:47:14
○MXroute1.mx.cloudflare.net2026-05-01 → 2026-05-01 · 3 obs
● 2026-05-01 16:33:14
○ 2026-05-08 12:31:54
○ 2026-05-09 04:47:14
○MXroute2.mx.cloudflare.net2026-05-01 → 2026-05-01 · 3 obs
● 2026-05-01 16:33:14
○ 2026-05-08 12:31:54
○ 2026-05-09 04:47:14
○MXroute3.mx.cloudflare.net2026-05-01 → 2026-05-01 · 3 obs
● 2026-05-01 16:33:14
○ 2026-05-08 12:31:54
○ 2026-05-09 04:47:14
●A104.21.14.192026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
●A172.67.202.462026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
●A2606:4700:3030::6815:e132026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
●A2606:4700:3031::ac43:ca2e2026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-18 02:29:52
● 2026-05-01 16:33:14
● 2026-05-09 04:47:14
○A5.188.87.142018-09-30 → 2026-02-17 · 4 obs
● 2018-09-30 04:22:48
● 2026-02-17 02:41:54
○ 2026-02-18 02:29:52
○ 2026-05-09 04:47:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...-
calcsystems.comliberty.ns.cloudflare.com, morgan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.240

NS records: liberty.ns.cloudflare.com, morgan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calcsystems.com (unsigned zone)

⏱️ Timing

Total: 440ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.202.46, 104.21.14.19
AAAA22606:4700:3030::6815:e13, 2606:4700:3031::ac43:ca2e
NS2liberty.ns.cloudflare.com, morgan.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=dC5k2AqfVEDQ1Ox, google-site-verification=zfk3CoH6bXHE9eT...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1liberty.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of js.calcsystems.com is calcsystems.com.

IP Addresses

calcsystems.com points to four IP numbers: 2606:4700:3030::6815:e13, 2606:4700:3031::ac43:ca2e, 104.21.14.19 and 172.67.202.46.

Other host names, for instance yzrczp.com, arroundspace.digital, ygdy24.com, ulmart.in and mail.frsklep.pl share IP numbers with calcsystems.com.

Name Servers

calcsystems.com is delegated to two name servers: liberty.ns.cloudflare.com and morgan.ns.cloudflare.com.

calcsystems.com uses the same name server setup as other domains, for instance bs-tech.it, w-x.me, totemcasino.com, spiiky.com and estheclinic.co.uk.

calcsystems.com shares name servers with other domains at least partially, for instance sennheiser-d1.com, 10starhd.forum, qatif.love, crochetandknitting.com and dior68.net.

These name servers are commonly used with chip.ns.cloudflare.com, eoin.ns.cloudflare.com, sneh.ns.cloudflare.com and miki.ns.cloudflare.com.

Host names with six IP numbers: liberty.ns.cloudflare.com points to 2606:4700:50::a29f:26f0, 2803:f800:50::6ca2:c2f0, 2a06:98c1:50::ac40:22f0, 108.162.194.240, 162.159.38.240 and 172.64.34.240; morgan.ns.cloudflare.com points to 2606:4700:58::a29f:2c84, 2803:f800:50::6ca2:c384, 2a06:98c1:50::ac40:2384, 108.162.195.132, 162.159.44.132 and 172.64.35.132.

Mail Servers

calcsystems.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.

calcsystems.com shares some mail servers with other domains, including ns500754.ns500742.ns500754.ns500731.ns500704.ns500705.ns500705.ns500649.ns500678.ns500291.ns500131.lustychickser.com, ns500768.ns500698.ns500758.ns500758.ns500736.ns500698.ns500686.ns500652.ns500619.ns500576.trackreceptor.com, ns500758.ns500698.ns500759.ns500759.ns500698.ns500698.ns500736.ns500698.ns500698.ns500686.ns500619.ns500576.trackreceptor.com, ns500699.ns500693.ns500734.ns500734.ns500699.ns500699.ns500693.ns500699.ns500588.ns500588.ns500693.ns500693.ns500612.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and ns500759.ns500758.ns500698.ns500758.ns500758.ns500576.ns500708.ns500698.ns500652.ns500619.ns500576.ns500619.ns500652.tracksymphony.com.

these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c1d::1a and 142.251.179.26.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.

alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.26.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.