certificationengine.org - dns.ninja

`certificationengine.org`

DNSSEC	⚠️ Not signed
A	20.90.134.39^{🇬🇧 Microsoft20.64.0.0/10}
NS	`ns1-37.azure-dns.com` ⭐
		A	2603:1061:0:10::25^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-37.azure-dns.com`
		A	150.171.10.37^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns1-37.azure-dns.com`
NS	`ns2-37.azure-dns.net`
		A	2620:1ec:8ec:10::25^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-37.azure-dns.net`
		A	150.171.16.37^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-37.azure-dns.net`
NS	`ns3-37.azure-dns.org`
		A	2a01:111:4000:10::25^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-37.azure-dns.org`
		A	13.107.222.37^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-37.azure-dns.org`
NS	`ns4-37.azure-dns.info`
		A	2620:1ec:bda:10::25^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-37.azure-dns.info`
		A	13.107.206.37^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-37.azure-dns.info`
MX	`mx-01-eu-west-1.prod.hydra.sophos.com` ⭐
		A	52.48.167.186^{🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix}
			PTR	`ec2-52-48-167-186.eu-west-1.compute.amazonaws.com`
		A	54.72.58.14^{🇮🇪 Amazon54.72.0.0/16 EC2 DUB prefix}
			PTR	`ec2-54-72-58-14.eu-west-1.compute.amazonaws.com`
		A	54.246.228.157^{🇮🇪 Amazon54.246.128.0/17 EC2 DUB prefix}
			PTR	`ec2-54-246-228-157.eu-west-1.compute.amazonaws.com`
MX	`mx-02-eu-west-1.prod.hydra.sophos.com`⁽²⁰⁾
		A	52.48.167.186^{🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix}
			PTR	`ec2-52-48-167-186.eu-west-1.compute.amazonaws.com`
		A	54.72.58.14^{🇮🇪 Amazon54.72.0.0/16 EC2 DUB prefix}
			PTR	`ec2-54-72-58-14.eu-west-1.compute.amazonaws.com`
		A	54.246.228.157^{🇮🇪 Amazon54.246.128.0/17 EC2 DUB prefix}
			PTR	`ec2-54-246-228-157.eu-west-1.compute.amazonaws.com`
TXT	`v=spf1 include:spf.fastnet.co.uk include:_spf_euwest1.prod.hydra.sophos.com -all`
TXT	`MS=ms55956349`
SOA	`ns1-37.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783220505

Subdomains

www.certificationengine.org

Same first word

certificationengine.org

DNS History

12 records (7 active, 5 former)

○NSns0.fast.net.uk2015-06-23 → 2017-04-11 · 4 obs

● 2015-06-23 18:05:44
● 2017-04-11 01:45:34
○ 2026-02-23 18:39:50
○ 2026-07-05 03:34:24

●NSns1-37.azure-dns.com2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

○NSns1.fast.net.uk2015-06-23 → 2017-04-11 · 4 obs

● 2015-06-23 18:05:44
● 2017-04-11 01:45:34
○ 2026-02-23 18:39:50
○ 2026-07-05 03:34:24

●NSns2-37.azure-dns.net2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

●NSns3-37.azure-dns.org2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

●NSns4-37.azure-dns.info2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

○MXmailfilter.fast.net.uk2015-06-23 → 2017-04-11 · 4 obs

● 2015-06-23 18:05:44
● 2017-04-11 01:45:34
○ 2026-02-23 18:39:50
○ 2026-07-05 03:34:24

●MXmx-01-eu-west-1.prod.hydra.sophos.com2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

●MXmx-02-eu-west-1.prod.hydra.sophos.com2026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

○MXrelay1.fast.net.uk2015-06-23 → 2017-04-11 · 4 obs

● 2015-06-23 18:05:44
● 2017-04-11 01:45:34
○ 2026-02-23 18:39:50
○ 2026-07-05 03:34:24

●A20.90.134.392026-02-23 → 2026-07-05 · 3 obs

○ 2017-04-11 01:45:34
● 2026-02-23 18:39:50
● 2026-07-05 03:34:24

○A81.31.76.762015-06-23 → 2017-04-11 · 4 obs

● 2015-06-23 18:05:44
● 2017-04-11 01:45:34
○ 2026-02-23 18:39:50
○ 2026-07-05 03:34:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
certificationengine.org	ns3-37.azure-dns.org, ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.206.37

NS records: ns3-37.azure-dns.org, ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certificationengine.org (unsigned zone)

⏱️ Timing

Total: 2573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.90.134.39`
NS	4	`ns1-37.azure-dns.com, ns2-37.azure-dns.net...`
MX	2	`mx-01-eu-west-1.prod.hydra.sophos.com (p, mx-02-eu-west-1.prod.hydra.sophos.com (p`
TXT	2	`v=spf1 include:spf.fastnet.co.uk include, MS=ms55956349`
SOA	1	`ns1-37.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3-37.azure-dns.org, ns3-37.azure-dns.org)

Analysis

Hierarchy

The domain www.certificationengine.org falls under the parent certificationengine.org.

IP Addresses

certificationengine.org resolves to one IP address: 20.90.134.39.

theoutdoorcity.co.uk, twixtaireandcalder.org.uk, iestap.com and two other host names share IP numbers with certificationengine.org.

Name Servers

The authoritative name servers for certificationengine.org are ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org.

At least some of certificationengine.org's name servers are shared with other domains, for example us-hcthorphi-prod.azure.lnrsg.io, rootga.com, manheim.pt and two more.

Four hostnames, each resolving to a pair of IP addresses: ns1-37.azure-dns.com directs to 150.171.10.37 and 2603:1061:0:10::25; ns4-37.azure-dns.info directs to 13.107.206.37 and 2620:1ec:bda:10::25; ns2-37.azure-dns.net directs to 150.171.16.37 and 2620:1ec:8ec:10::25; ns3-37.azure-dns.org directs to 13.107.222.37 and 2a01:111:4000:10::25.

Mail Servers

Mail for certificationengine.org is handled by two mail servers — mx-01-eu-west-1.prod.hydra.sophos.com and mx-02-eu-west-1.prod.hydra.sophos.com.

certificationengine.org uses an identical mail server configuration to several other domains — among them spooner.co.uk, halfwayottery.co.za, geri.co.uk and two more.

certificationengine.org has at least partial mail server overlap with other domains such as simon-materielelectrique.com, lakesdistillery.co.uk, cbmi.com.au and two more.

The hostnames mx-01-eu-west-1.prod.hydra.sophos.com and mx-02-eu-west-1.prod.hydra.sophos.com each point to three IP numbers — 52.48.167.186, 54.72.58.14 and 54.246.228.157 — with identical mappings.

These two host names — mx-01-eu-west-1.prod.hydra.sophos.com and mx-02-eu-west-1.prod.hydra.sophos.com — each point to 52.48.167.186 IP addresses.

These two host names — mx-01-eu-west-1.prod.hydra.sophos.com and mx-02-eu-west-1.prod.hydra.sophos.com — each point to 54.72.58.14 IP addresses.

These two host names — mx-01-eu-west-1.prod.hydra.sophos.com and mx-02-eu-west-1.prod.hydra.sophos.com — each point to 54.246.228.157 IP addresses.