calculusmaths.com - dns.ninja

calculusmaths.com

DNSSEC⚠️ Not signed
A54.144.38.219🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix
PTRec2-54-144-38-219.compute-1.amazonaws.com
NSa.misconfigured.dns.server.invalid ⭐
NSndns1.cosmotown.com
A184.72.57.6🇺🇸 Amazon184.72.0.0/18 SFO prefix
PTRec2-184-72-57-6.us-west-1.compute.amazonaws.com
NSndns2.cosmotown.com
A54.177.47.228🇺🇸 Amazon54.176.0.0/15 EC2 SFO prefix
PTRec2-54-177-47-228.us-west-1.compute.amazonaws.com
SOAa.misconfigured.dns.server.invalidhostmaster@calculusmaths.com 2026-02-21 #2

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=1781116153

Same first word

calculusmaths.com

DNS History

8 records (4 active, 4 former)

201820192020202120222023202420252026NSa.misconfigured.dns.server.invalidndns1.cosmotown.comndns2.cosmotown.comns45.domaincontrol.comns46.domaincontrol.comMXcalculusmaths-com.mail.protection.outlook.comA54.144.38.219184.168.221.36
●NSa.misconfigured.dns.server.invalid2026-03-20 → 2026-06-10 · 3 obs
○ 2017-05-10 14:15:00
● 2026-03-20 03:20:08
● 2026-06-10 18:51:20
●NSndns1.cosmotown.com2026-03-20 → 2026-06-10 · 3 obs
○ 2017-05-10 14:15:00
● 2026-03-20 03:20:08
● 2026-06-10 18:51:20
●NSndns2.cosmotown.com2026-03-20 → 2026-06-10 · 3 obs
○ 2017-05-10 14:15:00
● 2026-03-20 03:20:08
● 2026-06-10 18:51:20
○NSns45.domaincontrol.com2017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 14:15:00
○ 2026-03-20 03:20:08
○ 2026-06-10 18:51:20
○NSns46.domaincontrol.com2017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 14:15:00
○ 2026-03-20 03:20:08
○ 2026-06-10 18:51:20
○MXcalculusmaths-com.mail.protection.outlook.com2017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 14:15:00
○ 2026-03-20 03:20:08
○ 2026-06-10 18:51:20
○A184.168.221.362017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 14:15:00
○ 2026-03-20 03:20:08
○ 2026-06-10 18:51:20
●A54.144.38.2192026-03-20 → 2026-06-10 · 3 obs
○ 2017-05-10 14:15:00
● 2026-03-20 03:20:08
● 2026-06-10 18:51:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
calculusmaths.comndns1.cosmotown.com, ndns2.cosmotown.com2 records

✅ Authoritative Response

Server:184.72.57.6

NS records: ndns1.cosmotown.com, ndns2.cosmotown.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calculusmaths.com (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

TypeCountSample Data
A154.144.38.219
NS2ndns1.cosmotown.com, ndns2.cosmotown.com
SOA1a.misconfigured.dns.server.invalid hostm

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ndns1.cosmotown.com, ndns2.cosmotown.com)

Analysis

IP Addresses

calculusmaths.com directs to one IP number, which is 54.144.38.219.

Among the host names that share IP numbers with calculusmaths.com are sxwww.ifjewelry.com, www.votedrama.net, silicanet.com and two others.

Name Servers

Three name servers are authoritative for calculusmaths.com: ndns1.cosmotown.com, ndns2.cosmotown.com and a.misconfigured.dns.server.invalid.

calculusmaths.com shares at least some of its name servers with other domains, including vinothvaratharajan.com, lasteaks.com, unifiedsoftware.co.uk and two others.

These name servers are frequently seen alongside ns1.domeeninimi.ee, ns2.domeeninimi.ee, ns1.vigbo.site and 5 other name servers.

ndns1.cosmotown.com and ndns2.cosmotown.com each resolve to one IP number: ndns1.cosmotown.com points to 184.72.57.6 and ndns2.cosmotown.com points to 54.177.47.228.