psdn.com - dns.ninja

psdn.com

DNSSEC⚠️ Not signed
A131.239.31.104
NSpdns1.ultradns.net
NSpdns2.ultradns.net
NSpdns3.ultradns.org
NSpdns4.ultradns.org
NSpdns5.ultradns.info
NSpdns6.ultradns.co.uk
MXus-smtp-inbound-1.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTMS=ms12195729
TXTMS=ms57824058
TXTv=spf1 include:us._netblocks.mimecast.com -all
TXT_globalsign-domain-verification=Lx6R00h1jDAj3jwYTId8yDRowA1hMkz9Qk_g09avud
TXT_globalsign-domain-verification=qpkMrodm7W5o1ANYtAVMBTEehFk1FCrbOJbb5Aqwey
SOApdns1.ultradns.netdnsadm@progress.com 2013-03-26 #77

com

Subdomains

Same first word

DNS History

15 records (9 active, 6 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comcluster5.us.messagelabs.comcluster5a.us.messagelabs.compsdn-com.mail.protection.outlook.comA131.239.31.104131.239.30.200131.239.30.204131.239.30.55
NSpdns1.ultradns.net2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
NSpdns2.ultradns.net2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
NSpdns3.ultradns.org2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
NSpdns4.ultradns.org2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
NSpdns5.ultradns.info2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
NSpdns6.ultradns.co.uk2015-09-04 → 2026-07-14 · 2 obs
● 2015-09-04 07:19:18
● 2026-07-14 04:29:52
MXcluster5.us.messagelabs.com2015-09-04 → 2017-01-19 · 4 obs
● 2015-09-04 07:19:18
● 2017-01-19 01:29:08
○ 2017-05-19 00:25:16
○ 2026-07-14 04:29:52
MXcluster5a.us.messagelabs.com2015-09-04 → 2017-01-19 · 4 obs
● 2015-09-04 07:19:18
● 2017-01-19 01:29:08
○ 2017-05-19 00:25:16
○ 2026-07-14 04:29:52
MXpsdn-com.mail.protection.outlook.com2017-05-19 → 2017-05-19 · 4 obs
○ 2017-01-19 01:29:08
● 2017-05-19 00:25:16
○ 2026-02-18 10:32:40
○ 2026-07-14 04:29:52
MXus-smtp-inbound-1.mimecast.com2026-02-18 → 2026-07-14 · 3 obs
○ 2017-05-19 00:25:16
● 2026-02-18 10:32:40
● 2026-07-14 04:29:52
MXus-smtp-inbound-2.mimecast.com2026-02-18 → 2026-07-14 · 3 obs
○ 2017-05-19 00:25:16
● 2026-02-18 10:32:40
● 2026-07-14 04:29:52
A131.239.30.2002016-07-02 → 2017-05-19 · 5 obs
○ 2016-06-14 03:38:16
● 2016-07-02 19:59:28
● 2017-05-19 00:25:16
○ 2026-02-18 10:32:40
○ 2026-07-14 04:29:52
A131.239.30.2042026-02-18 → 2026-05-07 · 5 obs
○ 2017-05-19 00:25:16
● 2026-02-18 10:32:40
● 2026-05-07 20:28:42
○ 2026-05-12 14:32:54
○ 2026-07-14 04:29:52
A131.239.30.552015-09-04 → 2016-06-14 · 4 obs
● 2015-09-04 07:19:18
● 2016-06-14 03:38:16
○ 2016-07-02 19:59:28
○ 2026-07-14 04:29:52
A131.239.31.1042026-05-12 → 2026-07-14 · 3 obs
○ 2026-05-07 20:28:42
● 2026-05-12 14:32:54
● 2026-07-14 04:29:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
psdn.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...-

✅ Authoritative Response

Server:204.74.115.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for psdn.com (unsigned zone)

⏱️ Timing

Total: 2388ms | Queries: -

📄 Records

TypeCountSample Data
A1131.239.31.104
NS6pdns1.ultradns.net, pdns2.ultradns.net...
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT5MS=ms12195729, MS=ms57824058...
SOA1pdns1.ultradns.net dnsadm.progress.com

Analysis

Hierarchy

download.psdn.com is a subdomain of psdn.com.

IP Addresses

psdn.com points to a single IP number: 131.239.31.104.

Name Servers

psdn.com carries NS records listing 6 name servers — pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 others.

Mail Servers

psdn.com has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names with 6 IP numbers:

us-smtp-inbound-1.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.

us-smtp-inbound-2.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.242 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.242 IP addresses.