calc-web.com - robtex.com
calc-web.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:885c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:50fd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.80.253Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.136.92🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | merlin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bcd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1cd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21cd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 108.162.193.205🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 172.64.33.205🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 173.245.59.205🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| NS | zara.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a94🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c094🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2094🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| A | 108.162.192.148🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| A | 172.64.32.148🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| A | 173.245.58.148🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zara.ns.cloudflare.com | ||||||
| MX | mail.calc-web.com ⭐ | ||||||
| A | 5.79.92.23🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB | ||||||
| TXT | v=spf1 +a +mx +ip4:5.79.92.23 +ip4:5.79.92.6 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.80.253, 172.67.136.92 | ||||||
| IPv6 | 2606:4700:3034::ac43:885c, 2606:4700:3037::6815:50fd | ||||||
| SOA | merlin.ns.cloudflare.comdns@cloudflare.com serial=2396326213 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Similar names
DNS History
7 records (7 active, 0 former)
●NSmerlin.ns.cloudflare.com2026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●NSzara.ns.cloudflare.com2026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●MXmail.calc-web.com2026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●A104.21.80.2532026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●A172.67.136.922026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●A2606:4700:3034::ac43:885c2026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
●A2606:4700:3037::6815:50fd2026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 11:03:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| calc-web.com | zara.ns.cloudflare.com, merlin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.192.148
NS records: zara.ns.cloudflare.com, merlin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calc-web.com (unsigned zone)
⏱️ Timing
Total: 88ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.136.92, 104.21.80.253 |
| AAAA | 2 | 2606:4700:3037::6815:50fd, 2606:4700:3034::ac43:885c |
| NS | 2 | merlin.ns.cloudflare.com, zara.ns.cloudflare.com |
| MX | 1 | mail.calc-web.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:5.79.92.23 +ip4:5.79. |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | merlin.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (zara.ns.cloudflare.com, zara.ns.cloudflare.com, zara.ns.cloudflare.com...)
Analysis
IP Addresses
calc-web.com points to four IP numbers: 2606:4700:3034::ac43:885c, 2606:4700:3037::6815:50fd, 104.21.80.253 and 172.67.136.92.
Other host names, for instance vailsgatefd.com, earning.tw, jumpersrental.com, 126baby.com.tw and kfzwaermespeicher.com share IP numbers with calc-web.com.
Name Servers
calc-web.com is delegated to two name servers: merlin.ns.cloudflare.com and zara.ns.cloudflare.com.
calc-web.com uses the same name server setup as other domains, for instance cashare.io, arabwebblog.com, lhy0403.top, nobza.com and 3alkhaleej.com.
calc-web.com shares name servers with other domains at least partially, for instance northwesternbands.org, ddmul.com, nussletool.com, gregthetrumpet.com and scrrum.com.
these name servers are commonly used together with chan.ns.cloudflare.com and stan.ns.cloudflare.com.
Host names with six IP numbers: merlin.ns.cloudflare.com points to 2606:4700:58::adf5:3bcd, 2803:f800:50::6ca2:c1cd, 2a06:98c1:50::ac40:21cd, 108.162.193.205, 172.64.33.205 and 173.245.59.205; zara.ns.cloudflare.com points to 2606:4700:50::adf5:3a94, 2803:f800:50::6ca2:c094, 2a06:98c1:50::ac40:2094, 108.162.192.148, 172.64.32.148 and 173.245.58.148.
Mail Servers
The mail server for calc-web.com is mail.calc-web.com.
Host name mail.calc-web.com resolves to IP 5.79.92.23.