stackcalc.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackcalc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d3d9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4323^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.35^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.217^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c147^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bart.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2147^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bart.ns.cloudflare.com`
		A	108.162.193.71^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	172.64.33.71^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	173.245.59.71^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
NS	`nancy.ns.cloudflare.com`
		A	2606:4700:50::a29f:2654^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nancy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c254^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nancy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2254^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nancy.ns.cloudflare.com`
		A	108.162.194.84^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nancy.ns.cloudflare.com`
		A	162.159.38.84^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nancy.ns.cloudflare.com`
		A	172.64.34.84^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nancy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.35, 172.67.211.217
		IPv6 hints	2606:4700:3033::ac43:d3d9, 2606:4700:3035::6815:4323
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2412743631

`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=1787502361

Same first word

stackcalc.app

stackcalc.com.br

stackcalc.com

Previous names

Next names

DNS History

26 records (6 active, 20 former)

●NSbart.ns.cloudflare.com2026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

●NSnancy.ns.cloudflare.com2026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○MXmail.protonmail.ch2026-02-17 → 2026-02-17 · 3 obs

● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-23 16:40:06

○MXmailsec.protonmail.ch2026-02-17 → 2026-02-17 · 3 obs

● 2026-02-17 14:17:28
○ 2026-08-23 09:58:20
○ 2026-08-23 16:40:06

●A104.21.67.352026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

●A172.67.211.2172026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

●A2606:4700:3033::ac43:d3d92026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

●A2606:4700:3035::6815:43232026-08-23 → 2026-08-23 · 3 obs

○ 2026-02-17 14:17:28
● 2026-08-23 09:58:20
● 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○A50.16.232.1842015-06-04 → 2015-06-04 · 3 obs

● 2015-06-04 12:25:12
○ 2015-11-02 04:37:08
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

○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
○ 2026-08-23 16:40:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
stackcalc.com	bart.ns.cloudflare.com, nancy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.84

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: 411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.217, 104.21.67.35`
AAAA	2	`2606:4700:3033::ac43:d3d9, 2606:4700:3035::6815:4323`
NS	2	`bart.ns.cloudflare.com, nancy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bart.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 has four IP addresses: 104.21.67.35, 172.67.211.217, 2606:4700:3033::ac43:d3d9 and 2606:4700:3035::6815:4323.

Among the host names that share IP numbers with stackcalc.com are edilcostruzionidelpinto.it, overracestack.click, 7is.in and two others.

Name Servers

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

stackcalc.com has the same name server delegation as a number of other domains, such as mjlr8sl2t.net, mjlr8sl2t.com, tortura65.hu and two more.

stackcalc.com shares at least some of its name servers with other domains, including 26tb.com, 55c39c1504c3.info, sportsmed-me.com and two others.

These name servers are frequently paired with the name servers hera.ns.cloudflare.com and bruce.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

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.