🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openproblems.com`

DNSSEC	⚠️ Not signed
A	64.190.63.222^{🇩🇪 SEDO64.190.62.0/23 -NET2-PI}
NS	`ns1.sedoparking.com` ⭐
		A	3.130.216.63^{🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix}
			PTR	`ec2-3-130-216-63.us-east-2.compute.amazonaws.com`
		A	91.195.241.8^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`ns2.sedoparking.com`
		A	34.211.188.210^{🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix}
			PTR	`ec2-34-211-188-210.us-west-2.compute.amazonaws.com`
		A	91.195.240.8^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`localhost` ⭐
TXT	`v=spf1 -all`
SOA	`ns1.sedoparking.com`hostmaster@sedo.de 2018-05-16 #1

`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.net`nstld@verisign-grs.com serial=1788610353

Same first word

openproblems.net

openproblems.co

openproblems.com

openproblems.world

openproblems.org

Previous names

Next names

DNS History

7 records (4 active, 3 former)

●NSns1.sedoparking.com2015-06-15 → 2026-09-05 · 2 obs

● 2015-06-15 08:52:54
● 2026-09-05 12:29:36

●NSns2.sedoparking.com2015-06-15 → 2026-09-05 · 2 obs

● 2015-06-15 08:52:54
● 2026-09-05 12:29:36

●MXlocalhost2016-11-24 → 2026-09-05 · 3 obs

○ 2016-04-10 14:19:56
● 2016-11-24 21:45:14
● 2026-09-05 12:29:36

○MXmail.nickstel.com2015-06-15 → 2016-04-10 · 4 obs

● 2015-06-15 08:52:54
● 2016-04-10 14:19:56
○ 2016-11-24 21:45:14
○ 2026-09-05 12:29:36

●A64.190.63.2222026-08-29 → 2026-09-05 · 3 obs

○ 2017-12-20 08:28:14
● 2026-08-29 17:05:28
● 2026-09-05 12:29:36

○A72.52.4.1222017-12-20 → 2017-12-20 · 4 obs

○ 2016-11-24 21:45:14
● 2017-12-20 08:28:14
○ 2026-08-29 17:05:28
○ 2026-09-05 12:29:36

○A72.52.4.912015-06-15 → 2016-11-24 · 4 obs

● 2015-06-15 08:52:54
● 2016-11-24 21:45:14
○ 2017-12-20 08:28:14
○ 2026-09-05 12:29:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
openproblems.com	ns1.sedoparking.com, ns2.sedoparking.com	2 records

✅ Authoritative Response

Server:91.195.241.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openproblems.com (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.190.63.222`
NS	2	`ns1.sedoparking.com, ns2.sedoparking.com`
MX	1	`localhost (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.sedoparking.com hostmaster.sedo.de`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

openproblems.com resolves to just one IP address, 64.190.63.222.

Two other host names, along with hausbau-finanzierungen.de, windycitynow.com and fietsstoeltjes.com, also share IP numbers with openproblems.com.

Name Servers

The NS records for openproblems.com delegate to ns1.sedoparking.com and ns2.sedoparking.com.

openproblems.com shares its NS records with other domains, for example statistikinformationssystem.de, abidress.eu, fathers.eu and two others.

openproblems.com and other domains like olympics-12.blogspot.com.ua share at least a portion of their name servers.

ns1.sedoparking.com resolves to 3.130.216.63 and 91.195.241.8. Likewise, ns2.sedoparking.com resolves to 34.211.188.210 and 91.195.240.8 — two IP addresses apiece.

Mail Servers

The sole mail server for openproblems.com is localhost.

Among the domains sharing a mail server setup with openproblems.com are migrainetrehub36.cyou, sharesecure.de, websitedesignerssacramento.com and two others.

openproblems.com - robtex.com