postopen.com - dns.ninja

`postopen.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c607:5974:bfa8:d54b:7fe5^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	44.208.83.180^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
A	54.84.240.235^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:d98d:77d0:4351:e98f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8b8e:2173:9d62:5394^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:96f8:d2c8:7f34:9449^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	35.175.192.103^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-175-192-103.compute-1.amazonaws.com`
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
MX	`mail1.namebrightmail.com` ⭐
		A	66.35.35.26^{🇺🇸 IMDC66.35.35.0/24 Iron Mountain Data Center}
			PTR	`mail1.namebrightmail.com`
MX	`mail2.namebrightmail.com` ⭐
		A	66.35.35.28^{🇺🇸 IMDC66.35.35.0/24 Iron Mountain Data Center}
			PTR	`mail2.namebrightmail.com`
TXT	`google-site-verification=YourUniqueGoogleVerificationCode`
TXT	`v=spf1 a:smtpout1.namebrightmail.com a:smtpout2.namebrightmail.com include:na...`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-07 #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=1786112594

Same first word

postopen.com

Similar names

pesponto.com

openpost.de

openpost.co.uk

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postpone.net

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DNS History

29 records (8 active, 21 former)

○NSdomain-for-sale.hugedomainsdns.com2026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○NSforsale.hugedomainsdns.com2026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

●NSns1.namebrightdns.com2015-06-16 → 2026-08-07 · 2 obs

● 2015-06-16 05:17:24
● 2026-08-07 14:36:32

●NSns2.namebrightdns.com2015-06-16 → 2026-08-07 · 6 obs

● 2015-06-16 05:17:24
● 2018-07-11 19:15:52
○ 2026-02-17 05:12:14
○ 2026-03-23 19:19:46
● 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○MXanmail.namebrightmail.com2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 05:17:24
○ 2015-11-01 11:10:46
○ 2026-08-07 14:36:32

●MXmail1.namebrightmail.com2026-06-15 → 2026-08-07 · 3 obs

○ 2015-11-01 11:10:46
● 2026-06-15 23:39:44
● 2026-08-07 14:36:32

●MXmail2.namebrightmail.com2026-06-15 → 2026-08-07 · 3 obs

○ 2015-11-01 11:10:46
● 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○A13.223.25.842026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

●A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-08-07 → 2026-08-07 · 2 obs

○ 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○A2600:1f18:4ae:c607:d1d9:565f:b122:bfdb2026-06-15 → 2026-06-15 · 3 obs

○ 2026-03-23 19:19:46
● 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

●A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-08-07 → 2026-08-07 · 2 obs

○ 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○A2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a2026-06-15 → 2026-06-15 · 3 obs

○ 2026-03-23 19:19:46
● 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

●A44.208.83.1802026-08-07 → 2026-08-07 · 2 obs

○ 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○A52.200.243.1232016-05-03 → 2016-05-03 · 4 obs

○ 2016-01-29 08:27:30
● 2016-05-03 10:56:52
○ 2017-01-25 21:57:58
○ 2026-08-07 14:36:32

○A52.44.244.982026-06-15 → 2026-06-15 · 3 obs

○ 2026-03-23 19:19:46
● 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○A54.152.144.2432016-05-03 → 2016-05-03 · 4 obs

○ 2016-01-29 08:27:30
● 2016-05-03 10:56:52
○ 2017-01-25 21:57:58
○ 2026-08-07 14:36:32

○A54.165.131.1832026-06-15 → 2026-06-15 · 3 obs

○ 2026-03-23 19:19:46
● 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○A54.174.31.2542015-06-16 → 2015-11-01 · 4 obs

● 2015-06-16 05:17:24
● 2015-11-01 11:10:46
○ 2016-01-29 08:27:30
○ 2026-08-07 14:36:32

○A54.208.74.2152015-06-16 → 2015-11-01 · 4 obs

● 2015-06-16 05:17:24
● 2015-11-01 11:10:46
○ 2016-01-29 08:27:30
○ 2026-08-07 14:36:32

○A54.209.90.812016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-01 11:10:46
● 2016-01-29 08:27:30
○ 2016-05-03 10:56:52
○ 2026-08-07 14:36:32

○A54.243.117.1972026-02-17 → 2026-03-23 · 5 obs

○ 2018-07-11 19:15:52
● 2026-02-17 05:12:14
● 2026-03-23 19:19:46
○ 2026-06-15 23:39:44
○ 2026-08-07 14:36:32

○A54.82.156.192017-01-25 → 2017-01-25 · 4 obs

○ 2016-05-03 10:56:52
● 2017-01-25 21:57:58
○ 2018-07-11 19:15:52
○ 2026-08-07 14:36:32

●A54.84.240.2352026-08-07 → 2026-08-07 · 2 obs

○ 2026-06-15 23:39:44
● 2026-08-07 14:36:32

○A54.85.54.292016-01-29 → 2016-01-29 · 4 obs

○ 2015-11-01 11:10:46
● 2016-01-29 08:27:30
○ 2016-05-03 10:56:52
○ 2026-08-07 14:36:32

○A54.86.225.1562017-01-25 → 2017-01-25 · 4 obs

○ 2016-05-03 10:56:52
● 2017-01-25 21:57:58
○ 2018-07-11 19:15:52
○ 2026-08-07 14:36:32

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-16 → 2016-05-03 · 4 obs

● 2015-06-16 05:17:24
● 2016-05-03 10:56:52
○ 2017-01-25 21:57:58
○ 2026-08-07 14:36:32

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-25 → 2026-02-17 · 5 obs

○ 2016-05-03 10:56:52
● 2017-01-25 21:57:58
● 2026-02-17 05:12:14
○ 2026-03-21 19:19:48
○ 2026-08-07 14:36:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
postopen.com	ns1.namebrightdns.com, ns2.namebrightdns.com	8 records

✅ Authoritative Response

Server:100.58.124.42

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postopen.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.84.240.235, 44.208.83.180`
AAAA	2	`2600:1f18:4ae:c607:5974:bfa8:d54b:7fe5, 2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd`
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
MX	2	`mail1.namebrightmail.com (pri: 10), mail2.namebrightmail.com (pri: 10)`
TXT	2	`v=spf1 a:smtpout1.namebrightmail.com a:s, google-site-verification=YourUniqueGoogl`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

IP Addresses

postopen.com points to the four IP addresses 44.208.83.180, 54.84.240.235, 2600:1f18:4ae:c607:5974:bfa8:d54b:7fe5 and 2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd.

Additional host names — nombos.com, gigies.com, fuelingbetter.com and two others — share IP numbers with postopen.com.

Name Servers

Two name servers handle the delegation for postopen.com: ns1.namebrightdns.com and ns2.namebrightdns.com.

postopen.com shares its name server setup with other domains, including researchskill.com, myairways.com, dukesaerospace.com and two others.

There is at least partial name server overlap between postopen.com and other domains — baddonut.com, airbrushexpress.com, aroundthemarket.com and two more among them.

These name servers regularly appear alongside nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and 3 other name servers in NS record sets.

Host names that resolve to five IP addresses:

ns2.namebrightdns.com points to 35.175.192.103, 54.163.9.173, 2600:1f18:683a:ae1a:d98d:77d0:4351:e98f and two other IP addresses.

Host names with three IP numbers:

The hostname ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.

Mail Servers

postopen.com has two mail servers: mail1.namebrightmail.com and mail2.namebrightmail.com.

postopen.com shares the same mail server setup as other domains, including aonti.com, boycottrepublicans.com, muffdive.net and two others.

Some mail servers of postopen.com are also used by other domains, notably babysteps-planner.com and helenwiseman.com.

mail1.namebrightmail.com → 66.35.35.26 and mail2.namebrightmail.com → 66.35.35.28: one IP number per host name.