kosertec.com - dns.ninja

`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::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.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=1782892406

Same first word

kosertec.com

Similar names

DNS History

12 records (7 active, 5 former)

●NSns1.bdm.microsoftonline.com2026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

○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
○ 2026-07-01 08:15:00

●NSns2.bdm.microsoftonline.com2026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

○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
○ 2026-07-01 08:15:00

●NSns3.bdm.microsoftonline.com2026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

●NSns4.bdm.microsoftonline.com2026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

●MXkosertec-com.mail.protection.outlook.com2026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

○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
○ 2026-07-01 08:15:00

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

● 2008-03-14 03:19:54
○ 2015-08-29 23:58:26
○ 2026-07-01 08:15:00

○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
○ 2026-07-01 08:15:00

●A2a00:1828:1000:2421::22026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

●A89.238.73.212026-06-12 → 2026-07-01 · 3 obs

○ 2017-12-18 09:32:32
● 2026-06-12 19:51:30
● 2026-07-01 08:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.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:208.84.5.208

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: 199ms | 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	`v=spf1 include:spf.protection.outlook.co, mscid=Ot3fAfIWpDzF3x09mMUz+QHy96SLSdVhZK...`
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 has two 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.

There is at least partial name server overlap between kosertec.com and other domains — manzonimottola.edu.it, touchingheartsny.com, pvgnet.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

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, 52.101.73.2, 52.101.73.22 and 5 others.