mathclass.us - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathclass.us

DNSSEC⚠️ Not signed
A52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-84-62.compute-1.amazonaws.com
NSns1.atom.com ⭐
A44.219.81.145🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-219-81-145.compute-1.amazonaws.com
NSns2.atom.com
A50.19.240.86🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix
PTRec2-50-19-240-86.compute-1.amazonaws.com
SOAns1.atom.comhostmaster@mathclass.us 2026-10-22 #1

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1792877052

Same first word

Similar names

Previous names

Next names

DNS History

21 records (3 active, 18 former)

20162017201820192020202120222023202420252026NSns1.atom.comns2.atom.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comns1.dyna-ns.netns1.mathclass.usns2.dyna-ns.netns2.mathclass.usns71.cloudns.netpns72.cloudns.netpns73.cloudns.compns74.cloudns.ukMXmx.mathclass.usA52.20.84.6245.8.44.854.215.31.11398.124.198.198.124.199.198.124.199.69
○NSdns1.name-services.com2015-07-02 → 2020-03-01 · 4 obs
● 2015-07-02 17:36:30
● 2020-03-01 10:24:46
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44
○NSdns2.name-services.com2015-07-02 → 2020-03-01 · 4 obs
● 2015-07-02 17:36:30
● 2020-03-01 10:24:46
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44
○NSdns3.name-services.com2015-07-02 → 2020-03-01 · 4 obs
● 2015-07-02 17:36:30
● 2020-03-01 10:24:46
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44
○NSdns4.name-services.com2015-07-02 → 2020-03-01 · 4 obs
● 2015-07-02 17:36:30
● 2020-03-01 10:24:46
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44
●NSns1.atom.com2026-10-24 → 2026-10-24 · 3 obs
○ 2026-10-15 04:11:30
● 2026-10-24 22:07:38
● 2026-10-24 22:07:44
○NSns1.dyna-ns.net2026-08-19 → 2026-10-15 · 6 obs
○ 2020-03-01 10:24:46
● 2026-08-19 08:29:34
○ 2026-08-22 00:20:18
● 2026-10-15 04:11:30
○ 2026-10-24 22:07:38
○ 2026-10-24 22:07:44
○NSns1.mathclass.us2026-08-22 → 2026-08-22 · 4 obs
○ 2026-08-19 08:29:34
● 2026-08-22 00:20:18
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
●NSns2.atom.com2026-10-24 → 2026-10-24 · 3 obs
○ 2026-10-15 04:11:30
● 2026-10-24 22:07:38
● 2026-10-24 22:07:44
○NSns2.dyna-ns.net2026-08-19 → 2026-10-15 · 6 obs
○ 2020-03-01 10:24:46
● 2026-08-19 08:29:34
○ 2026-08-22 00:20:18
● 2026-10-15 04:11:30
○ 2026-10-24 22:07:38
○ 2026-10-24 22:07:44
○NSns2.mathclass.us2026-08-22 → 2026-08-22 · 4 obs
○ 2026-08-19 08:29:34
● 2026-08-22 00:20:18
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○NSns71.cloudns.net2026-09-26 → 2026-09-26 · 4 obs
○ 2026-08-22 00:20:18
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○NSpns72.cloudns.net2026-09-26 → 2026-09-26 · 4 obs
○ 2026-08-22 00:20:18
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○NSpns73.cloudns.com2026-09-26 → 2026-09-26 · 4 obs
○ 2026-08-22 00:20:18
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○NSpns74.cloudns.uk2026-09-26 → 2026-09-26 · 4 obs
○ 2026-08-22 00:20:18
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○MXmx.mathclass.us2026-09-26 → 2026-09-26 · 3 obs
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
○A45.8.44.82026-09-26 → 2026-09-26 · 4 obs
○ 2026-08-19 08:29:34
● 2026-09-26 08:15:30
○ 2026-10-15 04:11:30
○ 2026-10-24 22:07:44
●A52.20.84.622026-10-24 → 2026-10-24 · 3 obs
○ 2026-10-15 04:11:30
● 2026-10-24 22:07:38
● 2026-10-24 22:07:44
○A54.215.31.1132026-10-15 → 2026-10-15 · 4 obs
○ 2026-09-26 08:15:30
● 2026-10-15 04:11:30
○ 2026-10-24 22:07:38
○ 2026-10-24 22:07:44
○A98.124.198.12015-07-02 → 2015-11-13 · 4 obs
● 2015-07-02 17:36:30
● 2015-11-13 12:23:16
○ 2016-02-11 22:24:22
○ 2026-10-24 22:07:44
○A98.124.199.12015-07-02 → 2015-07-02 · 3 obs
● 2015-07-02 17:36:30
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44
○A98.124.199.692016-02-11 → 2020-03-01 · 5 obs
○ 2015-11-13 12:23:16
● 2016-02-11 22:24:22
● 2020-03-01 10:24:46
○ 2026-08-19 08:29:34
○ 2026-10-24 22:07:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usy.cctld.us, x.cctld.us, w.cctld.us, m.cctld.us...-
mathclass.usns1.atom.com, ns2.atom.com-

✅ Authoritative Response

Server:50.19.240.86

NS records: ns1.atom.com, ns2.atom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathclass.us (unsigned zone)

⏱️ Timing

Total: 436ms | Queries: -

📄 Records

TypeCountSample Data
A152.20.84.62
NS2ns2.atom.com, ns1.atom.com
SOA1ns1.atom.com hostmaster.mathclass.us

Analysis

IP Addresses

mathclass.us points to a single IP number: 52.20.84.62.

Additional host names — scorepak.com, bizfalcon.com, greenbuilding.si and two others — share IP numbers with mathclass.us.

Name Servers

mathclass.us uses two name servers for its delegation: ns1.atom.com and ns2.atom.com.

mathclass.us shares its name server setup with other domains, including tuhkvantage.com, fairgoldcoin.com, ckn.us and two others.

mathclass.us has some name servers in common with other domains such as assetspread.com, branlund.com and mahakim.com

These name servers often co-occur with the name servers verification-yhehuhyrvixzqbtydgzisf.ns101.verify.hn.

ns1.atom.com resolves to 44.219.81.145. ns2.atom.com resolves to 50.19.240.86. Both host names point to a single IP number.