🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`tech4dev.com`

DNSSEC	⚠️ Not signed
A	138.68.169.102^{🇬🇧 DIGITALOCEAN138.68.160.0/20 DigitalOcean}
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`tech4dev-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
		A	52.101.103.137^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-miypr02cu00101.inbound.protection.outlook.com`
		A	52.101.209.153^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cpjpr04cu00101.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`mscid=ESZ0vJ5CLWDx0n3rmDsqZETt774UkX5oOEm62dI66h7lGTIipLlwrP+HAFTND1wARuSyLca...`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=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=1788093680

Subdomains

www.tech4dev.com

Same first word

tech4dev.nl

tech4dev.be

tech4dev.eu

tech4dev.workers.dev

tech4dev.com

Similar names

4devtech.com.ph

dev4tech.com

dev4tech.com.br

Previous names

Next names

DNS History

17 records (6 active, 11 former)

●NSns1.bdm.microsoftonline.com2026-07-19 → 2026-08-30 · 3 obs

○ 2018-12-13 10:45:56
● 2026-07-19 09:16:56
● 2026-08-30 12:57:10

○NSns1.prunedge.com2018-12-13 → 2018-12-13 · 4 obs

○ 2017-02-04 14:54:40
● 2018-12-13 10:45:56
○ 2026-07-19 09:16:56
○ 2026-08-30 12:57:10

●NSns2.bdm.microsoftonline.com2026-07-19 → 2026-08-30 · 3 obs

○ 2018-12-13 10:45:56
● 2026-07-19 09:16:56
● 2026-08-30 12:57:10

○NSns2.prunedge.com2018-12-13 → 2018-12-13 · 4 obs

○ 2017-02-04 14:54:40
● 2018-12-13 10:45:56
○ 2026-07-19 09:16:56
○ 2026-08-30 12:57:10

●NSns3.bdm.microsoftonline.com2026-07-19 → 2026-08-30 · 3 obs

○ 2018-12-13 10:45:56
● 2026-07-19 09:16:56
● 2026-08-30 12:57:10

●NSns4.bdm.microsoftonline.com2026-07-19 → 2026-08-30 · 3 obs

○ 2018-12-13 10:45:56
● 2026-07-19 09:16:56
● 2026-08-30 12:57:10

○NSns43.domaincontrol.com2016-04-20 → 2017-02-04 · 5 obs

○ 2016-01-03 03:07:26
● 2016-04-20 13:32:34
● 2017-02-04 14:54:40
○ 2018-12-13 10:45:56
○ 2026-08-30 12:57:10

○NSns44.domaincontrol.com2016-04-20 → 2017-02-04 · 5 obs

○ 2016-01-03 03:07:26
● 2016-04-20 13:32:34
● 2017-02-04 14:54:40
○ 2018-12-13 10:45:56
○ 2026-08-30 12:57:10

○NSns7.shared-servers.com2015-06-16 → 2016-01-03 · 4 obs

● 2015-06-16 21:42:02
● 2016-01-03 03:07:26
○ 2016-04-20 13:32:34
○ 2026-08-30 12:57:10

○NSns8.shared-servers.com2015-06-16 → 2016-01-03 · 4 obs

● 2015-06-16 21:42:02
● 2016-01-03 03:07:26
○ 2016-04-20 13:32:34
○ 2026-08-30 12:57:10

○MXmail.tech4dev.com2015-06-16 → 2016-04-20 · 4 obs

● 2015-06-16 21:42:02
● 2016-04-20 13:32:34
○ 2017-02-04 14:54:40
○ 2026-08-30 12:57:10

●MXtech4dev-com.mail.protection.outlook.com2017-02-04 → 2026-08-30 · 3 obs

○ 2016-04-20 13:32:34
● 2017-02-04 14:54:40
● 2026-08-30 12:57:10

○A104.238.126.22018-12-13 → 2018-12-13 · 4 obs

○ 2017-02-04 14:54:40
● 2018-12-13 10:45:56
○ 2026-07-19 09:16:56
○ 2026-08-30 12:57:10

○A104.40.183.2362015-06-16 → 2016-01-03 · 4 obs

● 2015-06-16 21:42:02
● 2016-01-03 03:07:26
○ 2016-04-20 13:32:34
○ 2026-08-30 12:57:10

○A107.180.50.1632016-04-20 → 2017-02-04 · 5 obs

○ 2016-01-03 03:07:26
● 2016-04-20 13:32:34
● 2017-02-04 14:54:40
○ 2018-12-13 10:45:56
○ 2026-08-30 12:57:10

●A138.68.169.1022026-08-26 → 2026-08-30 · 3 obs

○ 2026-07-19 09:16:56
● 2026-08-26 08:30:16
● 2026-08-30 12:57:10

○A75.2.60.52026-07-19 → 2026-07-19 · 4 obs

○ 2018-12-13 10:45:56
● 2026-07-19 09:16:56
○ 2026-08-26 08:30:16
○ 2026-08-30 12:57:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tech4dev.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:13.107.236.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tech4dev.com (unsigned zone)

⏱️ Timing

Total: 461ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.68.169.102`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`tech4dev-com.mail.protection.outlook.com`
TXT	2	`v=spf1 include:spf.protection.outlook.co, mscid=ESZ0vJ5CLWDx0n3rmDsqZETt774UkX5oOE`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Hierarchy

www.tech4dev.com is delegated beneath tech4dev.com.

IP Addresses

tech4dev.com points to a single IP number: 138.68.169.102.

Among the host names that share IP numbers with tech4dev.com is www.tech4dev.com, as one example.

Name Servers

tech4dev.com has four authoritative name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

There is at least partial name server overlap between tech4dev.com and other domains — tasafetyservices.com, integrityliftcompliance.co.uk, anssur.com and two more among them.

All four hostnames — ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com — resolve to two IP numbers apiece: ns1.bdm.microsoftonline.com to 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com to 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com to 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

tech4dev.com has one mail server: tech4dev-com.mail.protection.outlook.com.

tech4dev-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.8, 52.101.73.153, 52.101.103.137 and 5 other.

tech4dev.com - robtex.com

tech4dev.com

com

Subdomains

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tech4dev.com`

`com`