🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`certifyforlinux.info`

DNSSEC	⚠️ Not signed
A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
		PTR	`ec2-3-131-150-69.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`smtp1.linuxfoundation.org` ⭐
MX	`smtp2.linuxfoundation.org`⁽¹⁵⁾
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1557508440

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org`
	NS	`b2.info.afilias-nst.org`
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org`
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1794477781

Same first word

certifyforlinux.biz

certifyforlinux.org

certifyforlinux.info

certifyforlinux.net

certifyforlinux.com

Previous names

Next names

certifyible.info

certifyme.info

certifypayments.info

certifys.info

certifysafeacademy.info

certifytechnology.info

certifyu.info

certifyxe.info

certifyzenith.info

certiglobal.info

certiglobe.info

DNS History

13 records (7 active, 6 former)

○NSdns1.registrar-servers.com2018-07-29 → 2018-07-29 · 4 obs

○ 2017-02-06 15:55:48
● 2018-07-29 05:17:38
○ 2026-09-14 15:43:18
○ 2026-11-12 10:47:26

○NSdns2.registrar-servers.com2018-07-29 → 2018-07-29 · 4 obs

○ 2017-02-06 15:55:48
● 2018-07-29 05:17:38
○ 2026-09-14 15:43:18
○ 2026-11-12 10:47:26

●NSns1.dnsimple-edge.com2026-09-14 → 2026-11-12 · 3 obs

○ 2018-07-29 05:17:38
● 2026-09-14 15:43:18
● 2026-11-12 10:47:26

○NSns1.linux-foundation.org2015-06-26 → 2017-02-06 · 4 obs

● 2015-06-26 14:15:38
● 2017-02-06 15:55:48
○ 2018-07-29 05:17:38
○ 2026-11-12 10:47:26

●NSns2.dnsimple-edge.net2026-09-14 → 2026-11-12 · 3 obs

○ 2018-07-29 05:17:38
● 2026-09-14 15:43:18
● 2026-11-12 10:47:26

○NSns2.linux-foundation.org2015-06-26 → 2017-02-06 · 4 obs

● 2015-06-26 14:15:38
● 2017-02-06 15:55:48
○ 2018-07-29 05:17:38
○ 2026-11-12 10:47:26

●NSns3.dnsimple-edge.io2026-09-14 → 2026-11-12 · 3 obs

○ 2018-07-29 05:17:38
● 2026-09-14 15:43:18
● 2026-11-12 10:47:26

●NSns4.dnsimple-edge.org2026-09-14 → 2026-11-12 · 3 obs

○ 2018-07-29 05:17:38
● 2026-09-14 15:43:18
● 2026-11-12 10:47:26

●MXsmtp1.linuxfoundation.org2015-06-26 → 2026-11-12 · 2 obs

● 2015-06-26 14:15:38
● 2026-11-12 10:47:26

●MXsmtp2.linuxfoundation.org2015-06-26 → 2026-11-12 · 2 obs

● 2015-06-26 14:15:38
● 2026-11-12 10:47:26

○A140.211.169.42015-06-26 → 2017-02-06 · 4 obs

● 2015-06-26 14:15:38
● 2017-02-06 15:55:48
○ 2018-07-29 05:17:38
○ 2026-11-12 10:47:26

○A192.64.119.1302018-07-29 → 2018-07-29 · 4 obs

○ 2017-02-06 15:55:48
● 2018-07-29 05:17:38
○ 2026-09-14 15:43:18
○ 2026-11-12 10:47:26

●A3.131.150.692026-09-14 → 2026-11-12 · 3 obs

○ 2018-07-29 05:17:38
● 2026-09-14 15:43:18
● 2026-11-12 10:47:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
certifyforlinux.info	ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org, ns1.dnsimple-edge.com	-

✅ Authoritative Response

Server:199.247.153.53

NS records: ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org, ns1.dnsimple-edge.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifyforlinux.info (unsigned zone)

⏱️ Timing

Total: 2468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.131.150.69`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	2	`smtp1.linuxfoundation.org (pri: 10), smtp2.linuxfoundation.org (pri: 15)`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

Analysis

IP Addresses

certifyforlinux.info directs to one IP number, which is 3.131.150.69.

Among the host names that share IP numbers with certifyforlinux.info are goclickupget.co, usejetsolutions.com, rxnthealthdirect.org and two others.

Name Servers

The domain certifyforlinux.info is delegated to these four name servers: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

The name servers of certifyforlinux.info overlap at least partially with those of other domains — among them cmainfobase.ca, benefitsprogram.com, hywax.com and two more.

These name servers commonly appear alongside the name servers ns1.dnsimple.com and ns3.dnsimple.com.

Each of the four hosts ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org has two IP addresses. ns1.dnsimple-edge.com points to 199.247.152.53 and 2620:111:8004::53. ns3.dnsimple-edge.io points to 199.247.154.53 and 2620:111:8006::53. ns2.dnsimple-edge.net points to 199.247.153.53 and 2620:111:8005::53. ns4.dnsimple-edge.org points to 199.247.155.53 and 2620:111:8007::53.

Mail Servers

The MX records for certifyforlinux.info point to two mail servers: smtp1.linuxfoundation.org and smtp2.linuxfoundation.org.

certifyforlinux.info has the same mail server arrangement as a number of other domains, for example openprinting.net, linux-foundation.us, thelinuxfoundation.com and two more.

certifyforlinux.info shares at least some of its mail servers with other domains — for example linuxeducationservices.org, fossbazaar.net, opensourcedevelopmentlab.com and two more.

certifyforlinux.info - robtex.com