projecteuler.com - dns.ninja

projecteuler.com

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.squadhelp.com ⭐
A52.201.79.206🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-201-79-206.compute-1.amazonaws.com
NSns2.squadhelp.com
A52.23.148.124🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-23-148-124.compute-1.amazonaws.com
TXTf0095018235b8109a2bf9f65674a1784b6971ed6
SOAns1.squadhelp.comhostmaster@projecteuler.com 2025-07-29 #1

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=1785735817

Subdomains

www.projecteuler.com

Same first word

projecteuler.com
projecteuler.chat
projecteuler.net
projecteuler.info

Similar names

leprojecteur.net

DNS History

11 records (3 active, 8 former)

20162017201820192020202120222023202420252026NSns1.squadhelp.comns2.squadhelp.comns1.commonmx.comns2.commonmx.comsk.s5.cm.ns1.39.ztomy.comsk.s5.cm.ns2.39.ztomy.comA52.20.84.62141.8.225.72149.56.9.76208.91.196.105PTRsk.s5.cm.ns1.39.ztomy.com
○NSns1.commonmx.com2016-09-26 → 2016-09-26 · 4 obs
○ 2016-04-04 04:02:50
● 2016-09-26 00:32:58
○ 2017-06-23 07:24:14
○ 2026-08-03 05:54:32
●NSns1.squadhelp.com2026-02-15 → 2026-08-03 · 3 obs
○ 2017-06-23 07:24:14
● 2026-02-15 21:48:30
● 2026-08-03 05:54:32
○NSns2.commonmx.com2016-09-26 → 2016-09-26 · 4 obs
○ 2016-04-04 04:02:50
● 2016-09-26 00:32:58
○ 2017-06-23 07:24:14
○ 2026-08-03 05:54:32
●NSns2.squadhelp.com2026-02-15 → 2026-08-03 · 3 obs
○ 2017-06-23 07:24:14
● 2026-02-15 21:48:30
● 2026-08-03 05:54:32
○NSsk.s5.cm.ns1.39.ztomy.com2015-05-20 → 2017-06-23 · 6 obs
● 2015-05-20 23:36:20
● 2016-04-04 04:02:50
○ 2016-09-26 00:32:58
● 2017-06-23 07:24:14
○ 2026-02-15 21:48:30
○ 2026-08-03 05:54:32
○NSsk.s5.cm.ns2.39.ztomy.com2015-05-20 → 2017-06-23 · 6 obs
● 2015-05-20 23:36:20
● 2016-04-04 04:02:50
○ 2016-09-26 00:32:58
● 2017-06-23 07:24:14
○ 2026-02-15 21:48:30
○ 2026-08-03 05:54:32
○A141.8.225.722015-05-20 → 2016-04-04 · 4 obs
● 2015-05-20 23:36:20
● 2016-04-04 04:02:50
○ 2016-09-26 00:32:58
○ 2026-08-03 05:54:32
○A149.56.9.762016-09-26 → 2016-09-26 · 4 obs
○ 2016-04-04 04:02:50
● 2016-09-26 00:32:58
○ 2017-06-23 07:24:14
○ 2026-08-03 05:54:32
○A208.91.196.1052017-06-23 → 2017-06-23 · 4 obs
○ 2016-09-26 00:32:58
● 2017-06-23 07:24:14
○ 2026-02-15 21:48:30
○ 2026-08-03 05:54:32
●A52.20.84.622026-02-15 → 2026-08-03 · 3 obs
○ 2017-06-23 07:24:14
● 2026-02-15 21:48:30
● 2026-08-03 05:54:32
○PTRsk.s5.cm.ns1.39.ztomy.com2017-06-23 → 2026-02-15 · 4 obs
● 2017-06-23 07:24:14
● 2026-02-15 21:48:30
○ 2026-02-19 02:55:08
○ 2026-08-03 05:54:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...-
projecteuler.comns1.squadhelp.com, ns2.squadhelp.com2 records

✅ Authoritative Response

Server:52.201.79.206

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for projecteuler.com (unsigned zone)

⏱️ Timing

Total: 88ms | Queries: -

📄 Records

TypeCountSample Data
A152.20.84.62
NS2ns2.squadhelp.com, ns1.squadhelp.com
TXT1f0095018235b8109a2bf9f65674a1784b6971ed6
SOA1ns1.squadhelp.com hostmaster.projecteule

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.squadhelp.com, ns2.squadhelp.com)

Analysis

Hierarchy

projecteuler.com is the parent zone for www.projecteuler.com.

IP Addresses

projecteuler.com directs to one IP number, which is 52.20.84.62.

Among the host names that share IP numbers with projecteuler.com are botinternet.com, spaceprivate.com, winejack.com and two others.

Name Servers

projecteuler.com is served by two delegated name servers, ns1.squadhelp.com and ns2.squadhelp.com.

projecteuler.com has the same name server delegation as a number of other domains, such as swapsage.com, gleamworld.com, musicarch.com and two more.

Some of projecteuler.com's name servers are also used by other domains, including rankzu.com, hyop.com, lenoza.com and gabango.com.

These name servers often co-occur with the name servers verification-fpnvcw8oshbsnkhujn62wf.ns101.verify.hn.

ns1.squadhelp.com resolves to 52.201.79.206. ns2.squadhelp.com resolves to 52.23.148.124. Both host names point to a single IP number.