`cobaltconstructors.com`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::260^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0260.elastic-ssl.ui-r.com`
A	74.208.236.119^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1020.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5114:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.biz`
		A	217.160.81.20^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.biz`
NS	`ns1020.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5214:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.com`
		A	217.160.82.20^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.com`
NS	`ns1020.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5014:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.de`
		A	217.160.80.20^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.de`
NS	`ns1020.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5314:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1020.ui-dns.org`
		A	217.160.83.20^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1020.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	`ns1020.ui-dns.biz`hostmaster@1and1.com 2017-04-13 #4

`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=1776029087

Same first word

cobaltconstructors.com

DNS History

18 records (8 active, 10 former)

○NSns-us.1and1-dns.com2016-02-11 → 2017-02-17 · 4 obs

● 2016-02-11 15:01:50
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

○NSns-us.1and1-dns.de2016-02-11 → 2017-02-17 · 4 obs

● 2016-02-11 15:01:50
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

○NSns-us.1and1-dns.org2016-02-11 → 2017-02-17 · 4 obs

● 2016-02-11 15:01:50
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

○NSns-us.1and1-dns.us2016-02-11 → 2017-02-17 · 4 obs

● 2016-02-11 15:01:50
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

●NSns1020.ui-dns.biz2019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

●NSns1020.ui-dns.com2019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

●NSns1020.ui-dns.de2019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

●NSns1020.ui-dns.org2019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

○MXmx00.1and1.com2016-02-11 → 2019-04-14 · 4 obs

● 2016-02-11 15:01:50
● 2019-04-14 19:07:34
○ 2026-02-16 05:54:56
○ 2026-04-12 21:46:58

●MXmx00.ionos.com2026-02-16 → 2026-04-12 · 3 obs

○ 2019-04-14 19:07:34
● 2026-02-16 05:54:56
● 2026-04-12 21:46:58

○MXmx01.1and1.com2016-02-11 → 2019-04-14 · 4 obs

● 2016-02-11 15:01:50
● 2019-04-14 19:07:34
○ 2026-02-16 05:54:56
○ 2026-04-12 21:46:58

●MXmx01.ionos.com2026-02-16 → 2026-04-12 · 3 obs

○ 2019-04-14 19:07:34
● 2026-02-16 05:54:56
● 2026-04-12 21:46:58

○A2607:f1c0:1000:4072:99b1:d929:78e0:701d2016-02-11 → 2016-06-18 · 4 obs

● 2016-02-11 15:01:50
● 2016-06-18 18:53:46
○ 2017-02-17 22:08:50
○ 2026-04-12 21:46:58

○A2607:f1c0:1000:4072:f933:5777:54f:c03d2017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-18 18:53:46
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

●A2607:f1c0:100f:f000::2602019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

○A74.208.214.1992016-02-11 → 2016-06-18 · 4 obs

● 2016-02-11 15:01:50
● 2016-06-18 18:53:46
○ 2017-02-17 22:08:50
○ 2026-04-12 21:46:58

○A74.208.215.1922017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-18 18:53:46
● 2017-02-17 22:08:50
○ 2019-04-14 19:07:34
○ 2026-04-12 21:46:58

●A74.208.236.1192019-04-14 → 2026-04-12 · 3 obs

○ 2017-02-17 22:08:50
● 2019-04-14 19:07:34
● 2026-04-12 21:46:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cobaltconstructors.com	ns1020.ui-dns.de, ns1020.ui-dns.biz, ns1020.ui-dns.org, ns1020.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.82.20

NS records: ns1020.ui-dns.de, ns1020.ui-dns.biz, ns1020.ui-dns.org, ns1020.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cobaltconstructors.com (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.119`
AAAA	1	`2607:f1c0:100f:f000::260`
NS	4	`ns1020.ui-dns.com, ns1020.ui-dns.biz...`
MX	2	`mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1020.ui-dns.biz hostmaster.1and1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1020.ui-dns.com, ns1020.ui-dns.com)

Analysis

IP Addresses

cobaltconstructors.com resolves to two IP numbers: 2607:f1c0:100f:f000::260 and 74.208.236.119.

other host names including tgog.org, www.everysoulacres.com, www.cobrakayak.com, telaviver.com and ozeri.com share IP numbers with cobaltconstructors.com.

Name Servers

cobaltconstructors.com is delegated to four name servers: ns1020.ui-dns.biz, ns1020.ui-dns.com, ns1020.ui-dns.de and ns1020.ui-dns.org.

cobaltconstructors.com at least partially shares name servers with other domains, for instance bluenautic.fr, motherofmaniacs.co.uk, solvenserve.de, icheckstock.com and motorsandco.com.

These name servers are commonly used with the following name servers: ns1063.ui-dns.com, ns1040.ui-dns.biz, ns1045.ui-dns.de, ns1121.ui-dns.org, ns1043.ui-dns.com, ns1102.ui-dns.com, ns1081.ui-dns.com, ns1053.ui-dns.biz, ns1124.ui-dns.com and ns1067.ui-dns.de.

Host names with two IP numbers:

ns1020.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5114:100 and 217.160.81.20; ns1020.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5214:100 and 217.160.82.20; ns1020.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5014:100 and 217.160.80.20; ns1020.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5314:100 and 217.160.83.20.

Mail Servers

Two mail servers handle cobaltconstructors.com: mx00.ionos.com and mx01.ionos.com.

cobaltconstructors.com shares the same mail server setup as other domains, for instance etn-info.biz, paulnilsen.com, kiddiekibble.us, makeawishfountain.com and svbteam.ca.

Host names with one IP number:

mx00.ionos.com points to 74.208.5.3

mx01.ionos.com points to 74.208.5.21

cobaltconstructors.com - robtex.com