calcutools.com - dns.ninja

calcutools.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:f19🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a10e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.25Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.14🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonna.ns.cloudflare.com
A2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonna.ns.cloudflare.com
A108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
NSharley.ns.cloudflare.com
A2606:4700:58::a29f:2c80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharley.ns.cloudflare.com
A2803:f800:50::6ca2:c380🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharley.ns.cloudflare.com
A2a06:98c1:50::ac40:2380🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharley.ns.cloudflare.com
A108.162.195.128🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharley.ns.cloudflare.com
A162.159.44.128Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharley.ns.cloudflare.com
A172.64.35.128🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharley.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.25, 172.67.161.14
IPv6 hints2606:4700:3033::6815:f19, 2606:4700:3036::ac43:a10e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAdonna.ns.cloudflare.comdns@cloudflare.com serial=2408640141

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=1785858159

Same first word

calcutools.com

Similar names

localscout.be
localocust.com
localscout.org
localscout.biz
scoutlocal.com
localscout.at
localscout.de
localscout.com
luccatools.com
localscout.nl

DNS History

11 records (6 active, 5 former)

NSdonna.ns.cloudflare.comharley.ns.cloudflare.comamos.ns.cloudflare.comkhloe.ns.cloudflare.comA104.21.15.25172.67.161.142606:4700:3033::6815:f192606:4700:3036::ac43:a10e157.90.68.292606:4700:3031::6815:f192606:4700:3031::ac43:a10e
○NSamos.ns.cloudflare.com2026-05-08 → 2026-06-10 · 4 obs
● 2026-05-08 23:40:32
● 2026-06-10 23:43:50
○ 2026-07-10 07:27:10
○ 2026-08-04 15:54:34
●NSdonna.ns.cloudflare.com2026-07-10 → 2026-08-04 · 4 obs
○ 2026-05-08 23:40:32
○ 2026-06-10 23:43:50
● 2026-07-10 07:27:10
● 2026-08-04 15:54:34
●NSharley.ns.cloudflare.com2026-07-10 → 2026-08-04 · 4 obs
○ 2026-05-08 23:40:32
○ 2026-06-10 23:43:50
● 2026-07-10 07:27:10
● 2026-08-04 15:54:34
○NSkhloe.ns.cloudflare.com2026-05-08 → 2026-06-10 · 4 obs
● 2026-05-08 23:40:32
● 2026-06-10 23:43:50
○ 2026-07-10 07:27:10
○ 2026-08-04 15:54:34
●A104.21.15.252026-05-08 → 2026-08-04 · 2 obs
● 2026-05-08 23:40:32
● 2026-08-04 15:54:34
○A157.90.68.292026-05-08 → 2026-08-04 · 2 obs
○ 2026-05-08 23:40:32
○ 2026-08-04 15:54:34
●A172.67.161.142026-05-08 → 2026-08-04 · 2 obs
● 2026-05-08 23:40:32
● 2026-08-04 15:54:34
○A2606:4700:3031::6815:f192026-05-08 → 2026-06-10 · 4 obs
● 2026-05-08 23:40:32
● 2026-06-10 23:43:50
○ 2026-07-10 07:27:10
○ 2026-08-04 15:54:34
○A2606:4700:3031::ac43:a10e2026-05-08 → 2026-06-10 · 4 obs
● 2026-05-08 23:40:32
● 2026-06-10 23:43:50
○ 2026-07-10 07:27:10
○ 2026-08-04 15:54:34
●A2606:4700:3033::6815:f192026-07-10 → 2026-08-04 · 3 obs
○ 2026-06-10 23:43:50
● 2026-07-10 07:27:10
● 2026-08-04 15:54:34
●A2606:4700:3036::ac43:a10e2026-07-10 → 2026-08-04 · 3 obs
○ 2026-06-10 23:43:50
● 2026-07-10 07:27:10
● 2026-08-04 15:54:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
calcutools.comdonna.ns.cloudflare.com, harley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.151

NS records: donna.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calcutools.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.15.25, 172.67.161.14
AAAA22606:4700:3036::ac43:a10e, 2606:4700:3033::6815:f19
NS2donna.ns.cloudflare.com, harley.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donna.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

calcutools.com has four IP addresses: 104.21.15.25, 172.67.161.14, 2606:4700:3033::6815:f19 and 2606:4700:3036::ac43:a10e.

Two other host names, along with yinweb.net, justinbeckerman.com and mail.canfield.com, also share IP numbers with calcutools.com.

Name Servers

The NS records for calcutools.com delegate to donna.ns.cloudflare.com and harley.ns.cloudflare.com.

calcutools.com shares its NS records with other domains, for example plumbingaroundtheclock.com, si-qi.xyz, origvis.com and two others.

calcutools.com shares at least some of its name servers with other domains, including rspusa.com, iospatech.com, abpayk.com and two others.

These name servers are frequently seen alongside the name servers rihana.ns.cloudflare.com, moura.ns.cloudflare.com, pablo.ns.cloudflare.com and nash.ns.cloudflare.com.

DNS names with 6 IP addresses:

donna.ns.cloudflare.com maps to 108.162.192.151, 172.64.32.151, 173.245.58.151 and 3 additional IP addresses.

harley.ns.cloudflare.com maps to 108.162.195.128, 162.159.44.128, 172.64.35.128 and 3 additional IP addresses.