robcosa.com - dns.ninja

`robcosa.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`nsmaster.pt.net` ⭐
		A	2604:42c0::100^{AS229272000::/3}
			PTR	`nsmaster.pt.net`
		A	206.210.192.100^{🇺🇸 RoadRunner206.210.192.0/19 PT Networking, LLC 613 NW Loop 410, Suite 520 San Antonio TX 78216 United States}
			PTR	`nsmaster.pt.net`
NS	`ns1.pt.net`
		A	2600:1f16:c09:a300::13^{🇺🇸 Amazon2600:1f16:c00::/38 AMAZON AWS}
		A	3.149.82.3^{🇺🇸 Amazon3.144.0.0/13 EC2 CMH Prefix}
			PTR	`ns1.pt.net`
NS	`ns2.pt.net`
		A	2600:1f1c:795:f00::11^{🇺🇸 Amazon2600:1f1c:400::/38 AMAZON AWS}
		A	184.169.161.37^{🇺🇸 Amazon184.169.128.0/17 EC2 SFO prefix}
			PTR	`ec2-184-169-161-37.us-west-1.compute.amazonaws.com`
NS	`ns3.pt.net` ⚠️ Not in parent delegation
		A	2a05:d014:578:4b01::11^{🇩🇪 Amazon2a05:d014:400::/38 AMAZON AWS}
		A	52.57.67.235^{🇩🇪 Amazon52.57.0.0/16 EC2 FRA VPC prefix}
			PTR	`ns3.pt.net`
MX	`smtp-gw.pt.net` ⭐
		A	2604:42c0::15^{AS229272000::/3}
			PTR	`smtp-gw.pt.net`
		A	206.210.192.15^{🇺🇸 RoadRunner206.210.192.0/19 PT Networking, LLC 613 NW Loop 410, Suite 520 San Antonio TX 78216 United States}
			PTR	`smtp-gw.pt.net`
TXT	`v=spf1 mx ip4:206.210.192.0/22 ip6:2001:4870:610e:2::/56 ip6:2604:42c0:0:200:...`
SOA	`nsmaster.pt.net`postmaster@pt.net 2026-04-28 #0

`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=1786084854

Same first word

robcosa.com

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DNS History

11 records (9 active, 2 former)

●NSns1.pt.net2015-06-18 → 2026-08-07 · 3 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2026-08-07 06:47:44

●NSns2.pt.net2015-06-18 → 2026-08-07 · 3 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2026-08-07 06:47:44

●NSns3.pt.net2026-04-06 → 2026-08-07 · 3 obs

○ 2015-06-18 00:54:32
● 2026-04-06 00:31:22
● 2026-08-07 06:47:44

●NSnsmaster.pt.net2015-06-18 → 2026-08-07 · 3 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2026-08-07 06:47:44

●MXsmtp-gw.pt.net2015-06-18 → 2026-08-07 · 3 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2026-08-07 06:47:44

●A198.185.159.1442017-06-28 → 2026-08-07 · 3 obs

○ 2016-07-09 20:09:20
● 2017-06-28 22:14:44
● 2026-08-07 06:47:44

●A198.185.159.1452017-06-28 → 2026-08-07 · 3 obs

○ 2016-07-09 20:09:20
● 2017-06-28 22:14:44
● 2026-08-07 06:47:44

●A198.49.23.1442017-06-28 → 2026-08-07 · 3 obs

○ 2016-07-09 20:09:20
● 2017-06-28 22:14:44
● 2026-08-07 06:47:44

●A198.49.23.1452017-06-28 → 2026-08-07 · 3 obs

○ 2016-07-09 20:09:20
● 2017-06-28 22:14:44
● 2026-08-07 06:47:44

○A2001:4870:610e:2:3::1832015-06-18 → 2016-07-09 · 5 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2016-07-09 20:09:20
○ 2017-06-28 22:14:44
○ 2026-08-07 06:47:44

○A206.210.193.1832015-06-18 → 2016-07-09 · 5 obs

○ 2008-03-19 20:08:30
● 2015-06-18 00:54:32
● 2016-07-09 20:09:20
○ 2017-06-28 22:14:44
○ 2026-08-07 06:47:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
robcosa.com	ns1.pt.net, ns2.pt.net	-

✅ Authoritative Response

Server:3.149.82.3

NS records: ns1.pt.net, ns2.pt.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robcosa.com (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.49.23.145, 198.185.159.145...`
NS	3	`ns1.pt.net, ns3.pt.net...`
MX	1	`smtp-gw.pt.net (pri: 10)`
TXT	1	`v=spf1 mx ip4:206.210.192.0/22 ip6:2001:`
SOA	1	`nsmaster.pt.net postmaster.pt.net`

Analysis

IP Addresses

robcosa.com points to the four IP addresses 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Additional host names — hanabayrums.com, matthewandpaige.com, getcaroma.com and two others — share IP numbers with robcosa.com.

Name Servers

robcosa.com has four authoritative name servers: ns1.pt.net, ns2.pt.net, ns3.pt.net and nsmaster.pt.net.

There is at least partial name server overlap between robcosa.com and other domains — biga.com, cabletrash.net, jsheridan.net and two more among them.

These name servers are routinely deployed together with the name servers nameserver.april.se.

All four hostnames — ns1.pt.net, ns2.pt.net, ns3.pt.net and nsmaster.pt.net — resolve to two IP numbers apiece: ns1.pt.net to 3.149.82.3 and 2600:1f16:c09:a300::13; ns2.pt.net to 184.169.161.37 and 2600:1f1c:795:f00::11; ns3.pt.net to 52.57.67.235 and 2a05:d014:578:4b01::11; nsmaster.pt.net to 206.210.192.100 and 2604:42c0::100.

Mail Servers

robcosa.com has one mail server: smtp-gw.pt.net.

robcosa.com shares the same mail server setup as other domains, including danasrecipes.com, aratner.com, satxmediation.com and two others.

smtp-gw.pt.net carries two IP numbers: 206.210.192.15 and 2604:42c0::15.