`postfixconsulting.com`

DNSSEC	⚠️ Not signed
A	209.237.23.28^{🇺🇸 Hypersurf-AS17403209.237.0.0/18 Hypersurf}
		PTR	`postconf.com`
NS	`ns2.roble.com` ⭐
		A	209.237.23.10^{🇺🇸 Hypersurf-AS17403209.237.0.0/18 Hypersurf}
			PTR	`ns2.roble.com`
NS	`ns5.roble.net`
		A	206.189.78.2^{🇺🇸 DIGITALOCEAN206.189.64.0/20 DigitalOcean}
			PTR	`ns5.roble.net`
MX	`mx8.roble.com` ⭐
		A	209.237.23.8^{🇺🇸 Hypersurf-AS17403209.237.0.0/18 Hypersurf}
			PTR	`mx8.roble.com`
MX	`mx6.roble.com`⁽²⁰⁾
		A	209.237.23.18^{🇺🇸 Hypersurf-AS17403209.237.0.0/18 Hypersurf}
			PTR	`mx6.roble.com`
SOA	`ns2.roble.com`hostmaster@roble.com serial=798102151

`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=1778668186

Same first word

postfixconsulting.com

DNS History

13 records (5 active, 8 former)

○NSns1.roble.com2015-06-14 → 2017-01-26 · 5 obs

○ 2008-03-14 07:49:36
● 2015-06-14 14:52:00
● 2017-01-26 05:49:28
○ 2018-08-21 09:07:36
○ 2026-05-13 10:32:22

●NSns2.roble.com2015-06-14 → 2026-05-13 · 6 obs

○ 2008-03-14 07:49:36
● 2015-06-14 14:52:00
○ 2015-11-07 12:34:26
○ 2017-01-26 05:49:28
● 2018-08-21 09:07:36
● 2026-05-13 10:32:22

○NSns4.roble.net2015-11-07 → 2018-08-21 · 5 obs

○ 2015-06-14 14:52:00
● 2015-11-07 12:34:26
● 2018-08-21 09:07:36
○ 2026-04-01 15:12:20
○ 2026-05-13 10:32:22

○NSns43.domaincontrol.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 07:49:36
○ 2015-06-14 14:52:00
○ 2026-05-13 10:32:22

○NSns44.domaincontrol.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 07:49:36
○ 2015-06-14 14:52:00
○ 2026-05-13 10:32:22

●NSns5.roble.net2026-04-01 → 2026-05-13 · 3 obs

○ 2018-08-21 09:07:36
● 2026-04-01 15:12:20
● 2026-05-13 10:32:22

○MXmailstore1.secureserver.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 07:49:36
○ 2015-06-14 14:52:00
○ 2026-05-13 10:32:22

●MXmx6.roble.com2015-06-14 → 2026-05-13 · 3 obs

○ 2008-03-14 07:49:36
● 2015-06-14 14:52:00
● 2026-05-13 10:32:22

●MXmx8.roble.com2015-06-14 → 2026-05-13 · 3 obs

○ 2008-03-14 07:49:36
● 2015-06-14 14:52:00
● 2026-05-13 10:32:22

○MXsmtp.secureserver.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 07:49:36
○ 2015-06-14 14:52:00
○ 2026-05-13 10:32:22

○A205.138.54.572008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 07:49:36
○ 2015-06-14 14:52:00
○ 2026-05-13 10:32:22

○A206.40.34.282015-06-14 → 2017-01-26 · 5 obs

○ 2008-03-14 07:49:36
● 2015-06-14 14:52:00
● 2017-01-26 05:49:28
○ 2018-08-21 09:07:36
○ 2026-05-13 10:32:22

●A209.237.23.282018-08-21 → 2026-05-13 · 3 obs

○ 2017-01-26 05:49:28
● 2018-08-21 09:07:36
● 2026-05-13 10:32:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
postfixconsulting.com	ns2.roble.com, ns5.roble.net	1 record

✅ Authoritative Response

Server:206.189.78.2

NS records: ns2.roble.com, ns5.roble.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postfixconsulting.com (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.237.23.28`
NS	2	`ns2.roble.com, ns5.roble.net`
MX	2	`mx6.roble.com (pri: 20), mx8.roble.com (pri: 10)`
SOA	1	`ns2.roble.com hostmaster.roble.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns2.roble.com)

Analysis

IP Addresses

postfixconsulting.com points to a single IP: 209.237.23.28.

Other host names, for instance postconf.net, postconf.org and postconf.com share IP numbers with postfixconsulting.com.

Name Servers

Two name servers ns2.roble.com and ns5.roble.net handle delegation for postfixconsulting.com.

postfixconsulting.com uses the same name server setup as other domains, for example postconf.org, msfree.org, montereyhopkins.org, uproar.org and lazyfish.net.

postfixconsulting.com partially shares name servers with other domains; examples include 23.237.209.in-addr.arpa, lpo2006.org, postconf.com, roble.com and ambrisko.com.

These name servers are often used with the name servers b.auth-ns.sonic.net and ns3.roble.net.

Host names with one IP number: The host name ns2.roble.com points to 209.237.23.10 and the host name ns5.roble.net points to 206.189.78.2.

Mail Servers

postfixconsulting.com is handled by two mail servers: mx6.roble.com and mx8.roble.com.

postfixconsulting.com uses the same mail server setup as other domains: postconf.com, birketthouse.com, roble.net and lpo2006.org.

Host names with one IP number: The host name mx6.roble.com points to 209.237.23.18 and the host name mx8.roble.com points to 209.237.23.8.

postfixconsulting.com - robtex.com