`michaelkosinski.com`

DNSSEC	⚠️ Not signed
A	74.208.236.216^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
		PTR	`74-208-236-216.elastic-ssl.ui-r.com`
NS	`ns1123.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:517b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.biz`
		A	217.160.81.123^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.biz`
NS	`ns1123.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:527b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.com`
		A	217.160.82.123^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.com`
NS	`ns1123.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:123^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1123.ui-dns.de`
		A	217.160.80.123^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.de`
NS	`ns1123.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:537b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.org`
		A	217.160.83.123^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1123.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1123.ui-dns.biz`hostmaster@1and1.com 2016-07-25 #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=1776084372

Same first word

michaelkosinski.com

DNS History

13 records (7 active, 6 former)

●NSns1123.ui-dns.biz2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

●NSns1123.ui-dns.com2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

●NSns1123.ui-dns.de2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

●NSns1123.ui-dns.org2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

○NSns57.1and1.com2015-06-04 → 2017-01-29 · 3 obs

● 2015-06-04 14:47:44
● 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

○NSns58.1and1.com2015-06-04 → 2017-01-29 · 3 obs

● 2015-06-04 14:47:44
● 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

○MXmx00.1and1.com2015-06-04 → 2017-01-29 · 3 obs

● 2015-06-04 14:47:44
● 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

●MXmx00.ionos.com2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

○MXmx01.1and1.com2015-06-04 → 2017-01-29 · 3 obs

● 2015-06-04 14:47:44
● 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

●MXmx01.ionos.com2026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

○A216.250.120.2472017-01-29 → 2017-01-29 · 3 obs

○ 2016-04-22 12:46:58
● 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

●A74.208.236.2162026-04-13 → 2026-04-13 · 2 obs

○ 2017-01-29 21:51:24
● 2026-04-13 13:05:20

○A74.208.27.1662015-06-04 → 2016-04-22 · 4 obs

● 2015-06-04 14:47:44
● 2016-04-22 12:46:58
○ 2017-01-29 21:51:24
○ 2026-04-13 13:05:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
michaelkosinski.com	ns1123.ui-dns.de, ns1123.ui-dns.biz, ns1123.ui-dns.org, ns1123.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.123

NS records: ns1123.ui-dns.de, ns1123.ui-dns.biz, ns1123.ui-dns.org, ns1123.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michaelkosinski.com (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.216`
NS	4	`ns1123.ui-dns.com, ns1123.ui-dns.de...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1123.ui-dns.biz hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1123.ui-dns.com, ns1123.ui-dns.com)

Analysis

IP Addresses

michaelkosinski.com points to a single IP number: 74.208.236.216.

Other host names, for instance bestshoots.com, advancedrent.com, s280811348.onlinehome.us, continentpost.com and commodityfuels.com share IP numbers with michaelkosinski.com.

Name Servers

michaelkosinski.com is delegated to four name servers: ns1123.ui-dns.biz, ns1123.ui-dns.com, ns1123.ui-dns.de and ns1123.ui-dns.org.

michaelkosinski.com at least partially shares name servers with other domains, for instance trap.de, dendrit.org, racingsporttechnology.com, pos-monitor.eu and mopm.info.

these name servers are commonly used with ns1052.ui-dns.org, ns1036.ui-dns.de and ns1117.ui-dns.de.

Host names with two IP numbers:

ns1123.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:517b:100 and 217.160.81.123.

ns1123.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:527b:100 and 217.160.82.123.

ns1123.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:123 and 217.160.80.123.

ns1123.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:537b:100 and 217.160.83.123.

Mail Servers

michaelkosinski.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

michaelkosinski.com uses the same mail server configuration as other domains, such as onlinekurslar.com, redheartenergydrinks.com, shest.net, lovedmyparty.com and childtestingcolorado.com.

michaelkosinski.com shares some mail servers with other domains at least partially, for example acerepair.pro.

Host names with one IP number: mx00.ionos.com points to 74.208.5.3; mx01.ionos.com points to 74.208.5.21.

michaelkosinski.com - robtex.com