stackcalc.com - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

stackcalc.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d3d9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4323🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.35Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.217🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbart.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b47🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A2803:f800:50::6ca2:c147🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbart.ns.cloudflare.com
A2a06:98c1:50::ac40:2147🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbart.ns.cloudflare.com
A108.162.193.71🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A172.64.33.71🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
A173.245.59.71🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbart.ns.cloudflare.com
NSnancy.ns.cloudflare.com
A2606:4700:50::a29f:2654🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A2803:f800:50::6ca2:c254🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnancy.ns.cloudflare.com
A2a06:98c1:50::ac40:2254🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnancy.ns.cloudflare.com
A108.162.194.84🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A162.159.38.84Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A172.64.34.84🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.67.35, 172.67.211.217
IPv6 hints2606:4700:3033::ac43:d3d9, 2606:4700:3035::6815:4323
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOAbart.ns.cloudflare.comdns@cloudflare.com serial=2413512704

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=1788062615

Same first word

stackcalc.pages.dev
stackcalc.app
stackcalc.com.br
stackcalc.com

Similar names

calcstack.co
calcstack.pages.dev

Previous names

stackbuyback.com
stackbuys.com
stackby.com
stackbyansh.com
stackbydineth.com
stackbye.com
stackbyinstruction.com
stackbysoma.com
stackbystep.com
stackbyte.com
stackbyteflow.com
stackbytes.com
stackbytetechnologies.com
stackbzh.com
stackca.com
stackcaart.com
stackcable.com
stackcake.com

Next names

stackcalculator.com
stackcalendar.com
stackcall.com
stackcalls.com
stackcam.com
stackcamera.com
stackcamp.com
stackcampus.com
stackcams.com
stackcan.com
stackcandles.com
stackcanyon.com
stackcap.com
stackcapacity.com
stackcapita.com
stackcapitallending.com
stackcapitalventures.com
stackcaploc.com
stackcaptain.com

DNS History

26 records (6 active, 20 former)

20162017201820192020202120222023202420252026NSbart.ns.cloudflare.comnancy.ns.cloudflare.comns-1512.awsdns-61.orgns-1801.awsdns-33.co.ukns-659.awsdns-18.netns-75.awsdns-09.comns-h.dns.yourhosting.euns-v.dns.yourhosting.nlns-x.dns.yourhosting.nuMXmail.protonmail.chmailsec.protonmail.chA104.21.67.35172.67.211.2172606:4700:3033::ac43:d3d92606:4700:3035::6815:432323.21.193.19323.21.224.7923.23.236.19550.16.186.12050.16.232.18454.221.239.11854.225.141.14554.225.200.19854.225.213.10354.243.170.24154.243.183.35
●NSbart.ns.cloudflare.com2026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
●NSnancy.ns.cloudflare.com2026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
○NSns-1512.awsdns-61.org2015-06-04 → 2020-02-22 · 4 obs
● 2015-06-04 12:25:12
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○NSns-1801.awsdns-33.co.uk2015-06-04 → 2020-02-22 · 4 obs
● 2015-06-04 12:25:12
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○NSns-659.awsdns-18.net2015-06-04 → 2020-02-22 · 4 obs
● 2015-06-04 12:25:12
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○NSns-75.awsdns-09.com2015-06-04 → 2020-02-22 · 4 obs
● 2015-06-04 12:25:12
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○NSns-h.dns.yourhosting.eu2026-02-17 → 2026-02-17 · 4 obs
○ 2020-02-22 01:23:02
● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-30 04:32:46
○NSns-v.dns.yourhosting.nl2026-02-17 → 2026-02-17 · 4 obs
○ 2020-02-22 01:23:02
● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-30 04:32:46
○NSns-x.dns.yourhosting.nu2026-02-17 → 2026-02-17 · 4 obs
○ 2020-02-22 01:23:02
● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-30 04:32:46
○MXmail.protonmail.ch2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-30 04:32:46
○MXmailsec.protonmail.ch2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-30 04:32:46
●A104.21.67.352026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
●A172.67.211.2172026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
○A23.21.193.1932020-02-22 → 2020-02-22 · 4 obs
○ 2017-03-26 11:43:02
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○A23.21.224.792016-06-26 → 2016-06-26 · 4 obs
○ 2016-01-26 15:42:24
● 2016-06-26 12:51:44
○ 2017-03-26 11:43:02
○ 2026-08-30 04:32:46
○A23.23.236.1952017-03-26 → 2017-03-26 · 4 obs
○ 2016-06-26 12:51:44
● 2017-03-26 11:43:02
○ 2020-02-22 01:23:02
○ 2026-08-30 04:32:46
●A2606:4700:3033::ac43:d3d92026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
●A2606:4700:3035::6815:43232026-08-23 → 2026-08-30 · 3 obs
○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-30 04:32:46
○A50.16.186.1202016-06-26 → 2016-06-26 · 4 obs
○ 2016-01-26 15:42:24
● 2016-06-26 12:51:44
○ 2017-03-26 11:43:02
○ 2026-08-30 04:32:46
○A50.16.232.1842015-06-04 → 2015-06-04 · 3 obs
● 2015-06-04 12:25:12
○ 2015-11-02 04:37:08
○ 2026-08-30 04:32:46
○A54.221.239.1182017-03-26 → 2017-03-26 · 4 obs
○ 2016-06-26 12:51:44
● 2017-03-26 11:43:02
○ 2020-02-22 01:23:02
○ 2026-08-30 04:32:46
○A54.225.141.1452016-01-26 → 2016-01-26 · 4 obs
○ 2015-11-02 04:37:08
● 2016-01-26 15:42:24
○ 2016-06-26 12:51:44
○ 2026-08-30 04:32:46
○A54.225.200.1982015-06-04 → 2015-11-02 · 4 obs
● 2015-06-04 12:25:12
● 2015-11-02 04:37:08
○ 2016-01-26 15:42:24
○ 2026-08-30 04:32:46
○A54.225.213.1032020-02-22 → 2020-02-22 · 4 obs
○ 2017-03-26 11:43:02
● 2020-02-22 01:23:02
○ 2026-02-17 14:17:28
○ 2026-08-30 04:32:46
○A54.243.170.2412015-11-02 → 2015-11-02 · 4 obs
○ 2015-06-04 12:25:12
● 2015-11-02 04:37:08
○ 2016-01-26 15:42:24
○ 2026-08-30 04:32:46
○A54.243.183.352016-01-26 → 2016-01-26 · 4 obs
○ 2015-11-02 04:37:08
● 2016-01-26 15:42:24
○ 2016-06-26 12:51:44
○ 2026-08-30 04:32:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...-
stackcalc.combart.ns.cloudflare.com, nancy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:172.64.34.84

NS records: bart.ns.cloudflare.com, nancy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackcalc.com (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.67.35, 172.67.211.217
AAAA22606:4700:3033::ac43:d3d9, 2606:4700:3035::6815:4323
NS2bart.ns.cloudflare.com, nancy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bart.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stackcalc.com directs to four IP numbers, which are 104.21.67.35, 172.67.211.217, 2606:4700:3033::ac43:d3d9 and 2606:4700:3035::6815:4323.

edilcostruzionidelpinto.it, overracestack.click, 7is.in plus two other host names have IP numbers in common with stackcalc.com.

Name Servers

stackcalc.com uses two name servers for its delegation: bart.ns.cloudflare.com and nancy.ns.cloudflare.com.

The name server configuration of stackcalc.com is shared with other domains, for instance devcorner.workers.dev, 3200.co, alphaonefinancials.com and two others.

There is at least partial name server overlap between stackcalc.com and other domains — amirhosein8.workers.dev, zonmarcellinalindenthal.pages.dev, taylorandfrancis.me.uk and two more among them.

The name servers maria.ns.cloudflare.com, bruce.ns.cloudflare.com and hera.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

Hostname bart.ns.cloudflare.com directs to 108.162.193.71, 172.64.33.71 and 173.245.59.71 along with 3 other IP addresses.

Hostname nancy.ns.cloudflare.com directs to 108.162.194.84, 162.159.38.84 and 172.64.34.84 along with 3 other IP addresses.