kalculus.com - robtex.com
kalculus.com
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=1774607847 | ||||||
Same first word
kalculus.com |
DNS History
13 records (5 active, 8 former)
○NSns1.domaindiscover.com2015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
●NSns1.namebrightdns.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 10:43:18
● 2026-03-27 10:43:20
○NSns2.domaindiscover.com2015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
●NSns2.namebrightdns.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 10:43:18
● 2026-03-27 10:43:20
○MXmx1.daemonmail.net2015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
○MXmx2.daemonmail.net2015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
●MXsmtp.google.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 10:43:18
● 2026-03-27 10:43:20
○A13.214.8.122026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-27 10:43:20
○A216.104.165.222015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
○A216.104.165.822015-06-17 → 2017-08-16 · 4 obs
● 2017-08-16 21:37:58
○ 2026-03-27 10:43:18
○ 2026-03-27 10:43:20
●A54.169.171.1532026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 10:43:18
● 2026-03-27 10:43:20
●A54.169.230.392026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 10:43:18
● 2026-03-27 10:43:20
○A54.251.6.902026-03-27 → 2026-03-27 · 2 obs
○ 2026-03-27 10:43:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| kalculus.com | ns1.namebrightdns.com, ns2.namebrightdns.com | 12 records |
✅ Authoritative Response
Server:52.91.47.137
NS records: ns1.namebrightdns.com, ns2.namebrightdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kalculus.com (unsigned zone)
⏱️ Timing
Total: 77ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.169.230.39, 54.169.171.153 |
| NS | 2 | ns2.namebrightdns.com, ns1.namebrightdns.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 3 | v=spf1 a:smtpout1.namebrightmail.com a:s, google-site-verification=YourUniqueGoogl... |
| SOA | 1 | ns1.namebrightdns.com dns.namebright.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)
Analysis
IP Addresses
kalculus.com points to two IPs: 54.169.171.153 and 54.169.230.39.
Name Servers
Two name servers ns1.namebrightdns.com and ns2.namebrightdns.com are delegated to kalculus.com.
kalculus.com uses the same name server configuration as other domains, such as autosoundspecialists.com, mimath.com, ca--ww.analysiswebsites.com, millionsofcolors.com and sunfex.com.
kalculus.com at least partially shares name servers with other domains such as df(0x736578).com, citadelschools.com, traveltrotter.com, pronm.com and pedalkeyboard.com.
These name servers are commonly used with nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.
Host names with six IP numbers: Host name ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1a:d400:3079:62a0:131f, 2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72, 52.91.47.137, 54.81.154.240 and 54.159.91.195; host name ns2.namebrightdns.com points to 2600:1f18:683a:ae1a:2e7c:4d2:11a:fb, 2600:1f18:683a:ae1b:5206:ea13:5bfc:6777, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 3.80.94.105, 34.201.105.20 and 54.83.64.216.
Mail Servers
kalculus.com is handled by a single mail server, smtp.google.com.
kalculus.com shares the same mail server setup as other domains, including stepstoneinc.com, stpetergeneva.org, alshaye.net, cvg.it and naturpark.hu.
kalculus.com shares mail servers with other domains at least in part, for instance mannatthemes.com, socialinnovationacademy.org, fcfgpa.org, oakcityconsulting.com and rt4.mx.
These mail servers are often used together with 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.
Host name smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c0b::1b, 2607:f8b0:4004:c19::1a, 2607:f8b0:4004:c19::1b, 142.250.31.26, 142.250.31.27, 142.251.16.27, 142.251.111.26 and 142.251.111.27.