🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficient.engineering`

DNSSEC	⚠️ Not signed
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	`efficient-engineering.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c967::c^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cpjpr05cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::a^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr02cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca48::c^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-miypr03cu00104.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.126^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am8pr83cu00106.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`mscid=zUgONRdPes8jvtPY++TiHFd7pcJ+osX+ELDA7rBzcbbUcqIJQxvKUHbzdOcTitTI8vlwmcV...`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`engineering`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.engineering` ⭐
	NS	`v0n1.nic.engineering`
	NS	`v0n2.nic.engineering`
	NS	`v0n3.nic.engineering`
	NS	`v2n0.nic.engineering`
	NS	`v2n1.nic.engineering`
	SOA	`v0n0.nic.engineering`hostmaster@donuts.email serial=1791630748

Previously MX for

efficient.engineering

Same first word

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efficient.delivery

efficient.de

Similar names

Previous names

Next names

DNS History

15 records (5 active, 10 former)

○NSdns1.name-services.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○NSdns2.name-services.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○NSdns3.name-services.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○NSdns4.name-services.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○NSdns5.name-services.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○NSns.nano.lv2018-01-01 → 2018-01-01 · 4 obs

○ 2016-12-10 18:19:38
● 2018-01-01 11:23:06
○ 2026-10-03 21:28:22
○ 2026-10-10 11:27:30

●NSns1.bdm.microsoftonline.com2026-10-03 → 2026-10-10 · 3 obs

○ 2018-01-01 11:23:06
● 2026-10-03 21:28:22
● 2026-10-10 11:27:30

●NSns2.bdm.microsoftonline.com2026-10-03 → 2026-10-10 · 3 obs

○ 2018-01-01 11:23:06
● 2026-10-03 21:28:22
● 2026-10-10 11:27:30

○NSns2.nano.lv2018-01-01 → 2018-01-01 · 4 obs

○ 2016-12-10 18:19:38
● 2018-01-01 11:23:06
○ 2026-10-03 21:28:22
○ 2026-10-10 11:27:30

●NSns3.bdm.microsoftonline.com2026-10-03 → 2026-10-10 · 3 obs

○ 2018-01-01 11:23:06
● 2026-10-03 21:28:22
● 2026-10-10 11:27:30

●NSns4.bdm.microsoftonline.com2026-10-03 → 2026-10-10 · 3 obs

○ 2018-01-01 11:23:06
● 2026-10-03 21:28:22
● 2026-10-10 11:27:30

●MXefficient-engineering.mail.protection.outlook.com2026-10-03 → 2026-10-10 · 3 obs

○ 2018-01-01 11:23:06
● 2026-10-03 21:28:22
● 2026-10-10 11:27:30

○MXefficient.engineering2018-01-01 → 2018-01-01 · 3 obs

● 2018-01-01 11:23:06
○ 2026-10-03 21:28:22
○ 2026-10-10 11:27:30

○A8.5.1.372016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:19:38
○ 2018-01-01 11:23:06
○ 2026-10-10 11:27:30

○A91.203.68.1672018-01-01 → 2018-01-01 · 4 obs

○ 2016-12-10 18:19:38
● 2018-01-01 11:23:06
○ 2026-10-03 21:28:22
○ 2026-10-10 11:27:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
engineering	v0n1.nic.engineering, v2n0.nic.engineering, v2n1.nic.engineering, v0n0.nic.engineering...	12 records
efficient.engineering	ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficient.engineering (unsigned zone)

⏱️ Timing

Total: 926ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`efficient-engineering.mail.protection.ou`
TXT	2	`mscid=zUgONRdPes8jvtPY++TiHFd7pcJ+osX+EL, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering...)

Analysis

Name Servers

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

efficient.engineering has at least partial name server overlap with other domains, such as welbiit.com, bvaconsulting.com, buyatagx.com and two others.

ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com all point to exactly two IP numbers each: ns1.bdm.microsoftonline.com → 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com → 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com → 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com → 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

efficient.engineering has one mail server: efficient-engineering.mail.protection.outlook.com.

efficient-engineering.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.29, 52.101.68.39, 52.101.73.126 and 5 other.

efficient.engineering - robtex.com