`kosaconstruction.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::2b5^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-02b5.elastic-ssl.ui-r.com`
A	74.208.236.232^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1019.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5313:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.org`
		A	217.160.83.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.org`
NS	`ns1019.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5113:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
		A	217.160.81.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.biz`
NS	`ns1019.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5213:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.com`
		A	217.160.82.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.com`
NS	`ns1019.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5013:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.de`
		A	217.160.80.19^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1019.ui-dns.de`
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.perfora.net include:_spf.kundenserver.de include:_spf-us....`
SOA	`ns1019.ui-dns.org`hostmaster@1and1.com 2017-02-18 #7

`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=1776238912

Same first word

kosaconstruction.com

DNS History

16 records (8 active, 8 former)

●NSns1019.ui-dns.biz2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

●NSns1019.ui-dns.com2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

●NSns1019.ui-dns.de2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

●NSns1019.ui-dns.org2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

○NSns51.1and1.com2015-06-01 → 2017-03-24 · 4 obs

● 2015-06-01 11:48:28
● 2017-03-24 23:08:24
○ 2026-04-02 23:06:42
○ 2026-04-15 07:58:52

○NSns52.1and1.com2015-06-01 → 2017-03-24 · 4 obs

● 2015-06-01 11:48:28
● 2017-03-24 23:08:24
○ 2026-04-02 23:06:42
○ 2026-04-15 07:58:52

○MXmx00.1and1.com2015-06-01 → 2017-03-24 · 4 obs

● 2015-06-01 11:48:28
● 2017-03-24 23:08:24
○ 2026-04-02 23:06:42
○ 2026-04-15 07:58:52

●MXmx00.ionos.com2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

○MXmx01.1and1.com2015-06-01 → 2017-03-24 · 4 obs

● 2015-06-01 11:48:28
● 2017-03-24 23:08:24
○ 2026-04-02 23:06:42
○ 2026-04-15 07:58:52

●MXmx01.ionos.com2026-04-02 → 2026-04-15 · 3 obs

○ 2017-03-24 23:08:24
● 2026-04-02 23:06:42
● 2026-04-15 07:58:52

○A192.195.77.2062016-06-18 → 2016-06-18 · 4 obs

○ 2016-02-10 22:39:56
● 2016-06-18 00:35:52
○ 2017-03-24 23:08:24
○ 2026-04-15 07:58:52

○A198.251.69.1392015-06-01 → 2016-02-10 · 4 obs

● 2015-06-01 11:48:28
● 2016-02-10 22:39:56
○ 2016-06-18 00:35:52
○ 2026-04-15 07:58:52

○A2607:f1c0:1000:20fc:401:7b83:875c:e8032016-06-18 → 2016-06-18 · 4 obs

○ 2016-02-10 22:39:56
● 2016-06-18 00:35:52
○ 2017-03-24 23:08:24
○ 2026-04-15 07:58:52

○A2607:f1c0:1000:20fc:b49f:73f1:632c:78062015-06-01 → 2016-02-10 · 4 obs

● 2015-06-01 11:48:28
● 2016-02-10 22:39:56
○ 2016-06-18 00:35:52
○ 2026-04-15 07:58:52

●A2607:f1c0:100f:f000::2b52017-03-24 → 2026-04-15 · 3 obs

○ 2016-06-18 00:35:52
● 2017-03-24 23:08:24
● 2026-04-15 07:58:52

●A74.208.236.2322017-03-24 → 2026-04-15 · 3 obs

○ 2016-06-18 00:35:52
● 2017-03-24 23:08:24
● 2026-04-15 07:58:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kosaconstruction.com	ns1019.ui-dns.de, ns1019.ui-dns.biz, ns1019.ui-dns.org, ns1019.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.83.19

NS records: ns1019.ui-dns.de, ns1019.ui-dns.biz, ns1019.ui-dns.org, ns1019.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosaconstruction.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.232`
AAAA	1	`2607:f1c0:100f:f000::2b5`
NS	4	`ns1019.ui-dns.org, ns1019.ui-dns.com...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.perfora.net include:`
SOA	1	`ns1019.ui-dns.org hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1019.ui-dns.com, ns1019.ui-dns.com)

Analysis

IP Addresses

kosaconstruction.com points to two IP numbers: 2607:f1c0:100f:f000::2b5 and 74.208.236.232.

Other host names such as losebellyfat.us, webforums.ca, expresstech.com.au, carlrestivo.com and shorelyyours.com share IPs with kosaconstruction.com.

Name Servers

kosaconstruction.com is delegated to four name servers: ns1019.ui-dns.biz, ns1019.ui-dns.com, ns1019.ui-dns.de and ns1019.ui-dns.org.

kosaconstruction.com at least partially shares name servers with other domains, for instance tradereview.co.uk, schokobonbon.com, monica-nadal.com, mallettmasonry.co.uk and webc7.net.

these name servers are often used in conjunction with the name servers ns1077.ui-dns.biz.

Host names with two IP numbers: ns1019.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5113:100 and 217.160.81.19; ns1019.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5213:100 and 217.160.82.19; ns1019.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5013:100 and 217.160.80.19; ns1019.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5313:100 and 217.160.83.19.

Mail Servers

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

The mail server setup for kosaconstruction.com matches that of other domains, for instance davidtran.me, aivante.com, cenlaworkready.org, kotzas.com and alixelseyrealestate.com.

Host names with a single IP:

mx00.ionos.com points to 74.208.5.3.

mx01.ionos.com points to 74.208.5.21.

kosaconstruction.com - robtex.com