grp-engineering.com - dns.ninja

`grp-engineering.com`

DNSSEC	⚠️ Not signed
A	150.171.110.193^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
NS	`ns20.digicertdns.com` ⭐
		A	2600:1800:10::1:1f^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
		A	208.94.148.223^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
NS	`ns21.digicertdns.com`
		A	2600:1801:11::1:1f^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
		A	208.80.124.223^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
NS	`ns22.digicertdns.com`
		A	2600:1802:12::1:1f^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
		A	208.80.126.223^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
NS	`ns23.digicertdns.net`
		A	2600:1801:13::1:1f^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
		A	208.80.125.223^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
NS	`ns24.digicertdns.net`
		A	2600:1802:14::1:1f^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
		A	208.80.127.223^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
NS	`ns25.digicertdns.net`
		A	2600:1800:15::1:1f^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
		A	208.94.149.223^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
MX	`grpengineering-com0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
TXT	`4uvidjvpura1ut3t49mj0h7d4i`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=31737259`
SOA	`ns20.digicertdns.com`dns@digicertdns.com 2009-01-20 #3

`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=1780589464

Same first word

grp-engineering.com

DNS History

31 records (8 active, 23 former)

○NSns1.llhgraphics.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 19:14:44
○ 2015-05-25 06:48:30
○ 2026-06-04 16:27:18

○NSns1.server267.com2015-05-25 → 2017-05-26 · 5 obs

○ 2008-03-19 19:14:44
● 2015-05-25 06:48:30
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

○NSns2.llhgraphics.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 19:14:44
○ 2015-05-25 06:48:30
○ 2026-06-04 16:27:18

○NSns2.server267.com2015-05-25 → 2017-05-26 · 5 obs

○ 2008-03-19 19:14:44
● 2015-05-25 06:48:30
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

●NSns20.digicertdns.com2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

●NSns21.digicertdns.com2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

●NSns22.digicertdns.com2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

●NSns23.digicertdns.net2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

●NSns24.digicertdns.net2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

●NSns25.digicertdns.net2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

○MXd59758a.ess.barracudanetworks.com2015-05-25 → 2017-05-26 · 5 obs

○ 2008-03-19 19:14:44
● 2015-05-25 06:48:30
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

○MXd59758b.ess.barracudanetworks.com2015-05-25 → 2017-05-26 · 5 obs

○ 2008-03-19 19:14:44
● 2015-05-25 06:48:30
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

●MXgrpengineering-com0i.mail.protection.outlook.com2026-05-22 → 2026-06-04 · 3 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-06-04 16:27:18

○MXmail.grp-engineering.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 19:14:44
○ 2015-05-25 06:48:30
○ 2026-06-04 16:27:18

○MXnospam.commonangle.com2016-04-14 → 2017-05-26 · 5 obs

○ 2015-05-25 06:48:30
● 2016-04-14 17:06:34
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

○A13.107.213.402026-05-22 → 2026-06-04 · 2 obs

○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

○A13.107.226.402026-05-28 → 2026-06-04 · 25 obs

○ 2026-05-28 05:56:18
● 2026-05-28 08:18:12
● 2026-05-28 16:38:34
○ 2026-05-28 17:28:52
○ 2026-05-28 23:26:22
● 2026-05-29 00:17:58
○ 2026-05-29 02:26:02
○ 2026-05-30 01:45:10
● 2026-05-30 02:18:22
○ 2026-06-01 05:08:38
○ 2026-06-01 15:17:56
● 2026-06-01 17:33:36
○ 2026-06-02 11:04:48
○ 2026-06-03 00:20:04
● 2026-06-03 01:30:14
○ 2026-06-03 06:58:02
● 2026-06-03 11:36:06
○ 2026-06-03 23:24:26
○ 2026-06-04 02:06:04
● 2026-06-04 07:58:30
○ 2026-06-04 08:36:58
○ 2026-06-04 11:14:16
● 2026-06-04 13:50:36
○ 2026-06-04 16:27:16
○ 2026-06-04 16:27:18

○A13.107.246.402026-05-22 → 2026-06-04 · 2 obs

○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

○A13.107.253.402026-05-28 → 2026-06-04 · 25 obs

○A150.171.109.652026-05-24 → 2026-06-04 · 16 obs

○ 2026-05-24 18:15:48
● 2026-05-24 18:56:08
○ 2026-05-25 04:06:10
○ 2026-05-27 04:29:10
● 2026-05-27 05:21:58
○ 2026-05-27 10:05:26
○ 2026-05-27 19:09:50
● 2026-05-28 01:32:08
○ 2026-05-28 02:08:34
○ 2026-05-28 05:19:54
● 2026-05-28 05:56:18
○ 2026-05-28 08:18:12
○ 2026-06-04 00:10:42
● 2026-06-04 00:59:22
○ 2026-06-04 02:06:04
○ 2026-06-04 16:27:18

○A150.171.109.712026-05-24 → 2026-06-01 · 10 obs

○ 2026-05-24 03:10:42
● 2026-05-24 04:00:08
○ 2026-05-24 11:16:08
○ 2026-05-25 07:30:04
● 2026-05-25 09:56:12
○ 2026-05-25 13:19:50
○ 2026-06-01 05:08:38
● 2026-06-01 14:21:32
○ 2026-06-01 15:17:56
○ 2026-06-04 16:27:18

○A150.171.109.722026-05-23 → 2026-06-04 · 25 obs

○ 2026-05-23 21:35:32
● 2026-05-23 22:09:38
○ 2026-05-24 03:10:42
○ 2026-05-25 17:15:38
● 2026-05-25 18:36:04
○ 2026-05-25 23:36:58
○ 2026-05-27 10:05:26
● 2026-05-27 10:39:00
○ 2026-05-27 13:56:40
○ 2026-05-28 01:32:08
● 2026-05-28 02:08:34
○ 2026-05-28 03:42:22
○ 2026-05-29 02:26:02
● 2026-05-29 09:30:30
○ 2026-05-29 21:50:48
○ 2026-06-01 17:33:36
● 2026-06-02 11:04:48
○ 2026-06-02 11:43:48
○ 2026-06-02 20:54:28
● 2026-06-02 21:46:34
○ 2026-06-03 00:20:04
○ 2026-06-04 07:58:30
● 2026-06-04 08:36:58
○ 2026-06-04 09:24:08
○ 2026-06-04 16:27:18

○A150.171.109.732026-05-23 → 2026-06-04 · 24 obs

○ 2026-05-23 15:05:20
● 2026-05-23 21:35:32
○ 2026-05-23 22:09:38
○ 2026-05-25 06:55:22
● 2026-05-25 07:30:04
○ 2026-05-25 09:56:12
○ 2026-05-26 21:43:24
● 2026-05-27 02:37:36
○ 2026-05-27 03:31:14
○ 2026-05-27 10:39:00
● 2026-05-27 13:56:40
○ 2026-05-27 19:09:50
○ 2026-06-02 15:25:38
● 2026-06-02 17:42:10
○ 2026-06-02 19:08:58
○ 2026-06-03 23:24:26
● 2026-06-04 00:10:42
○ 2026-06-04 00:59:22
● 2026-06-04 02:06:04
○ 2026-06-04 07:58:30
○ 2026-06-04 08:36:58
● 2026-06-04 09:24:08
○ 2026-06-04 09:54:44
○ 2026-06-04 16:27:18

○A150.171.109.742026-05-24 → 2026-06-02 · 16 obs

○ 2026-05-23 22:09:38
● 2026-05-24 03:10:42
○ 2026-05-24 04:00:08
○ 2026-05-24 16:30:54
● 2026-05-24 18:15:48
○ 2026-05-24 18:56:08
○ 2026-05-25 13:19:50
● 2026-05-25 16:15:48
○ 2026-05-25 17:15:38
○ 2026-05-29 09:30:30
● 2026-05-29 21:50:48
○ 2026-05-30 01:45:10
○ 2026-06-02 13:24:54
● 2026-06-02 15:25:38
○ 2026-06-02 17:42:10
○ 2026-06-04 16:27:18

○A150.171.109.752026-05-24 → 2026-05-27 · 20 obs

○ 2026-05-24 04:00:08
● 2026-05-24 11:16:08
● 2026-05-24 16:30:54
○ 2026-05-24 18:15:48
○ 2026-05-24 18:56:08
● 2026-05-25 04:06:10
● 2026-05-25 06:55:22
○ 2026-05-25 07:30:04
○ 2026-05-25 09:56:12
● 2026-05-25 13:19:50
○ 2026-05-25 16:15:48
○ 2026-05-26 20:54:32
● 2026-05-26 21:43:24
○ 2026-05-27 02:37:36
○ 2026-05-27 03:31:14
● 2026-05-27 04:29:10
○ 2026-05-27 05:21:58
● 2026-05-27 10:05:26
○ 2026-05-27 10:39:00
○ 2026-06-04 16:27:18

○A150.171.109.772026-05-22 → 2026-06-04 · 40 obs

○ 2017-05-26 09:15:28
● 2026-05-22 20:02:26
● 2026-05-23 15:05:20
○ 2026-05-23 21:35:32
○ 2026-05-25 16:15:48
● 2026-05-25 17:15:38
○ 2026-05-25 18:36:04
● 2026-05-25 23:36:58
○ 2026-05-26 20:54:32
○ 2026-05-27 02:37:36
● 2026-05-27 03:31:14
○ 2026-05-27 04:29:10
○ 2026-05-28 02:08:34
● 2026-05-28 03:42:22
● 2026-05-28 05:19:54
○ 2026-05-28 05:56:18
○ 2026-05-28 22:00:10
● 2026-05-28 23:26:22
○ 2026-05-29 00:17:58
○ 2026-05-29 21:50:48
● 2026-05-30 01:45:10
○ 2026-05-30 02:18:22
● 2026-06-01 05:08:38
○ 2026-06-01 14:21:32
● 2026-06-01 15:17:56
○ 2026-06-01 17:33:36
○ 2026-06-02 11:04:48
● 2026-06-02 11:43:48
● 2026-06-02 13:24:54
○ 2026-06-02 15:25:38
○ 2026-06-02 17:42:10
● 2026-06-02 19:08:58
○ 2026-06-02 20:54:28
○ 2026-06-03 11:36:06
● 2026-06-03 23:24:26
○ 2026-06-04 00:10:42
○ 2026-06-04 09:24:08
● 2026-06-04 09:54:44
○ 2026-06-04 11:14:16
○ 2026-06-04 16:27:18

●A150.171.110.1932026-05-26 → 2026-06-04 · 22 obs

○ 2026-05-25 23:36:58
● 2026-05-26 20:54:32
○ 2026-05-26 21:43:24
○ 2026-05-27 13:56:40
● 2026-05-27 19:09:50
○ 2026-05-28 01:32:08
○ 2026-05-28 16:38:34
● 2026-05-28 17:28:52
○ 2026-05-28 22:00:10
○ 2026-05-29 00:17:58
● 2026-05-29 02:26:02
○ 2026-05-29 09:30:30
○ 2026-06-02 19:08:58
● 2026-06-02 20:54:28
○ 2026-06-02 21:46:34
● 2026-06-03 00:20:04
○ 2026-06-03 01:30:14
○ 2026-06-04 09:54:44
● 2026-06-04 11:14:16
○ 2026-06-04 13:50:36
● 2026-06-04 16:27:16
● 2026-06-04 16:27:18

○A150.171.110.1942026-06-03 → 2026-06-03 · 4 obs

○ 2026-06-03 01:30:14
● 2026-06-03 06:58:02
○ 2026-06-03 11:36:06
○ 2026-06-04 16:27:18

○A150.171.110.22026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 17:28:52
● 2026-05-28 22:00:10
○ 2026-05-28 23:26:22
○ 2026-06-04 16:27:18

○A209.59.7.1092008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 19:14:44
○ 2015-05-25 06:48:30
○ 2026-06-04 16:27:18

○A209.67.228.1412015-05-25 → 2017-05-26 · 5 obs

○ 2008-03-19 19:14:44
● 2015-05-25 06:48:30
● 2017-05-26 09:15:28
○ 2026-05-22 20:02:26
○ 2026-06-04 16:27:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
grp-engineering.com	ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net...	6 records

✅ Authoritative Response

Server:208.80.127.223

NS records: ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com, ns24.digicertdns.net, ns25.digicertdns.net, ns23.digicertdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grp-engineering.com (unsigned zone)

⏱️ Timing

Total: 395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.171.110.193`
NS	6	`ns21.digicertdns.com, ns23.digicertdns.net...`
MX	1	`grpengineering-com0i.mail.protection.out`
TXT	3	`4uvidjvpura1ut3t49mj0h7d4i, MS=31737259...`
SOA	1	`ns20.digicertdns.com dns.digicertdns.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns20.digicertdns.com, ns20.digicertdns.com, ns21.digicertdns.com...)

Analysis

IP Addresses

grp-engineering.com has exactly one IP address — 150.171.110.193.

grp-engineering.com shares its IP numbers with other host names, including www.creditbureau.co.za, genesis.emdat.com.akadns.net, lutgensco.com and bhmcsl.emdat.com.akadns.net.

Name Servers

DNS delegation for grp-engineering.com uses 6 name servers, among them ns20.digicertdns.com, ns21.digicertdns.com and ns22.digicertdns.com, with three others.

There is at least partial name server overlap between grp-engineering.com and other domains — flck.org, tlavod.com, qualitycare.no and two more among them.

These name servers tend to appear in conjunction with ns23.digicertdns.net, ns24.digicertdns.net, ns25.digicertdns.net and seven others.

Host names pointing to two IP addresses:

The A records for ns20.digicertdns.com return 208.94.148.223 and 2600:1800:10::1:1f.

The A records for ns21.digicertdns.com return 208.80.124.223 and 2600:1801:11::1:1f.

The A records for ns22.digicertdns.com return 208.80.126.223 and 2600:1802:12::1:1f.

The A records for ns23.digicertdns.net return 208.80.125.223 and 2600:1801:13::1:1f.

The A records for ns24.digicertdns.net return 208.80.127.223 and 2600:1802:14::1:1f.

The A records for ns25.digicertdns.net return 208.94.149.223 and 2600:1800:15::1:1f.

Mail Servers

grp-engineering.com uses one mail server — grpengineering-com0i.mail.protection.outlook.com.

The hostname grpengineering-com0i.mail.protection.outlook.com has 8 IP addresses: 52.101.8.46, 52.101.9.17, 52.101.11.17 and five others.