postupak.com - dns.ninja

`postupak.com`

DNSSEC	⚠️ Not signed
A	173.255.227.113^{🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies}
		PTR	`host01.cvinetworks.com`
NS	`ns1.cvinetworks.com` ⭐ ⚠️ Not in zone NS records
		A	173.255.227.113^{🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies}
			PTR	`host01.cvinetworks.com`
NS	`ns2.cvinetworks.com` ⚠️ Not in zone NS records
		A	173.163.154.136^{🇺🇸 COMCAST-IBONE173.160.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
			PTR	`173-163-154-136-cpennsylvania2.hfc.comcastbusiness.net`
MX	`cuda1.crossvalley.com` ⭐
MX	`cuda2.crossvalley.com`⁽²⁰⁾
MX	`postupak-com.mail.protection.outlook.com`⁽³⁰⁾
		A	2a01:111:f403:c902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00505.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.10.8^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr04cu00100.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:173.255.227.113 include:spf.protection.outlook.com -all`
SOA	`ns1.cvinetworks.com`dflaim@computervisionaries.com 2026-08-03 #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=1785872434

Previously MX for

postupak.com

Same first word

postupak.com

Similar names

skoutapp.com

pukatops.com

postupka.de

saktopup.com

popkatsu.com

koustapp.com

kaustopp.de

postupka.cz

postupka.eu

DNS History

15 records (6 active, 9 former)

○NSdns5.totalchoicehosting.com2020-03-21 → 2020-03-21 · 4 obs

○ 2017-03-16 05:17:28
● 2020-03-21 15:51:14
○ 2026-02-24 16:42:22
○ 2026-08-04 19:53:24

○NSdns6.totalchoicehosting.com2020-03-21 → 2020-03-21 · 4 obs

○ 2017-03-16 05:17:28
● 2020-03-21 15:51:14
○ 2026-02-24 16:42:22
○ 2026-08-04 19:53:24

●NSns1.cvinetworks.com2026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

○NSns11.domaincontrol.com2015-07-01 → 2017-03-16 · 4 obs

● 2015-07-01 14:27:48
● 2017-03-16 05:17:28
○ 2020-03-21 15:51:14
○ 2026-08-04 19:53:24

○NSns12.domaincontrol.com2015-07-01 → 2017-03-16 · 4 obs

● 2015-07-01 14:27:48
● 2017-03-16 05:17:28
○ 2020-03-21 15:51:14
○ 2026-08-04 19:53:24

●NSns2.cvinetworks.com2026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

●MXcuda1.crossvalley.com2026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

●MXcuda2.crossvalley.com2026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

○MXmailstore1.secureserver.net2015-07-01 → 2017-03-16 · 4 obs

● 2015-07-01 14:27:48
● 2017-03-16 05:17:28
○ 2020-03-21 15:51:14
○ 2026-08-04 19:53:24

●MXpostupak-com.mail.protection.outlook.com2026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

○MXpostupak.com2020-03-21 → 2020-03-21 · 4 obs

○ 2017-03-16 05:17:28
● 2020-03-21 15:51:14
○ 2026-02-24 16:42:22
○ 2026-08-04 19:53:24

○MXsmtp.secureserver.net2015-07-01 → 2017-03-16 · 4 obs

● 2015-07-01 14:27:48
● 2017-03-16 05:17:28
○ 2020-03-21 15:51:14
○ 2026-08-04 19:53:24

●A173.255.227.1132026-02-24 → 2026-08-04 · 3 obs

○ 2020-03-21 15:51:14
● 2026-02-24 16:42:22
● 2026-08-04 19:53:24

○A184.168.221.392015-07-01 → 2017-03-16 · 4 obs

● 2015-07-01 14:27:48
● 2017-03-16 05:17:28
○ 2020-03-21 15:51:14
○ 2026-08-04 19:53:24

○A208.76.83.2402020-03-21 → 2020-03-21 · 4 obs

○ 2017-03-16 05:17:28
● 2020-03-21 15:51:14
○ 2026-02-24 16:42:22
○ 2026-08-04 19:53:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
postupak.com	ns1.cvinetworks.com, ns2.cvinetworks.com	2 records

✅ Authoritative Response

Server:173.163.154.136

NS records: ns1.cvinetworks.com, ns2.cvinetworks.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postupak.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.255.227.113`
NS	2	`ns1.cvinetworks.com, ns2.cvinetworks.com`
TXT	1	`v=spf1 ip4:173.255.227.113 include:spf.p`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.cvinetworks.com, ns2.cvinetworks.com)

Analysis

IP Addresses

postupak.com directs to one IP number, which is 173.255.227.113.

Among the host names that share IP numbers with postupak.com are creducomp.com, valleydist.com, ns1.wilkesbarre.org and two others.

Name Servers

postupak.com uses two name servers for its delegation: ns1.cvinetworks.com and ns2.cvinetworks.com.

postupak.com has the same name server delegation as a number of other domains, such as pittstoncity.net, sova.com, cviwebs.net and two more.

The name servers of postupak.com overlap at least partially with those of other domains — among them ns2.cvinetworks.com, cviweb.net, cvisec.com and two more.

Both ns1.cvinetworks.com and ns2.cvinetworks.com have a single IP address each — ns1.cvinetworks.com resolves to 173.255.227.113 while ns2.cvinetworks.com resolves to 173.163.154.136.

Mail Servers

Mail for postupak.com is routed through three mail servers — cuda1.crossvalley.com, cuda2.crossvalley.com and postupak-com.mail.protection.outlook.com.

postupak.com shares at least some of its mail servers with other domains — for example fellermanlaw.com, barhill.com, pittstoncity.net and two more.

The mail servers computervisionaries.esvacloud.com and painreliefdoc-com.mail.protection.outlook.com are commonly paired with these mail servers.

Host names resolving to 8 IP numbers:

Hostname postupak-com.mail.protection.outlook.com directs to 52.101.9.12, 52.101.10.8 and 52.101.40.1 along with 5 other IP addresses.