`kosertec.com`

DNSSEC	⚠️ Not signed
A	2a00:1828:1000:2421::2^{🇩🇪 MANITU2a00:1828::/32 manitu GmbH Welvertstrasse 2 66606 St. Wendel Germany}
		PTR	`ngcobalt321.manitu.net`
A	89.238.73.21^{🇩🇪 MANITU89.238.64.0/18 manitu GmbH Welvertstrasse 2 66606 St. Wendel Germany}
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	`kosertec-com.mail.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::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.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=Ot3fAfIWpDzF3x09mMUz+QHy96SLSdVhZKd8EYmvk1XvEEyaJrhNr6dJM70stAmgrViSHK+...`
TXT	`MS=ms59312995`
TXT	`google-site-verification=trYux47ELDXemCuQgTSG4krteOstEm9PFvi0TM-9eD8`
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=1785986009

Same first word

kosertec.com

Similar names

DNS History

12 records (7 active, 5 former)

●NSns1.bdm.microsoftonline.com2026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

○NSns1.ns-serve.net2008-03-14 → 2017-12-18 · 4 obs

● 2008-03-14 03:19:54
● 2017-12-18 09:32:32
○ 2026-06-12 19:51:30
○ 2026-08-06 03:37:56

●NSns2.bdm.microsoftonline.com2026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

○NSns2.ns-serve.net2008-03-14 → 2017-12-18 · 4 obs

● 2008-03-14 03:19:54
● 2017-12-18 09:32:32
○ 2026-06-12 19:51:30
○ 2026-08-06 03:37:56

●NSns3.bdm.microsoftonline.com2026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

●NSns4.bdm.microsoftonline.com2026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

●MXkosertec-com.mail.protection.outlook.com2026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

○MXmail.kosertec.com2008-03-14 → 2017-12-18 · 4 obs

● 2008-03-14 03:19:54
● 2017-12-18 09:32:32
○ 2026-06-12 19:51:30
○ 2026-08-06 03:37:56

○A212.112.232.1072008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 03:19:54
○ 2015-08-29 23:58:26
○ 2026-08-06 03:37:56

○A213.133.106.792015-08-29 → 2017-12-18 · 5 obs

○ 2008-03-14 03:19:54
● 2015-08-29 23:58:26
● 2017-12-18 09:32:32
○ 2026-06-12 19:51:30
○ 2026-08-06 03:37:56

●A2a00:1828:1000:2421::22026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

●A89.238.73.212026-06-12 → 2026-08-06 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-08-06 03:37:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kosertec.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 kosertec.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.238.73.21`
AAAA	1	`2a00:1828:1000:2421::2`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`kosertec-com.mail.protection.outlook.com`
TXT	4	`MS=ms59312995, v=spf1 include:spf.protection.outlook.co...`
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

IP Addresses

kosertec.com resolves to the IP addresses 89.238.73.21 and 2a00:1828:1000:2421::2

Two other host names, along with casmedia.de, www.graf-martinez.de and svmackenbach.de, also share IP numbers with kosertec.com.

Name Servers

The NS records for kosertec.com point to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

kosertec.com shares at least some of its name servers with other domains, including manzonimottola.edu.it, touchingheartsny.com, pvgnet.com and two others.

Mail Servers

The sole mail server for kosertec.com is kosertec-com.mail.protection.outlook.com.

With 8 IP addresses total, kosertec-com.mail.protection.outlook.com resolves to 52.101.68.10, 52.101.68.18, 52.101.68.25 and 5 others.

kosertec.com - robtex.com

kosertec.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`kosertec.com`

`com`