pennsoftware.com

pennsoftware.com serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

727,774 other domains share an IP address with it.

The most recent crawl returned the page title “Penn Software Engineering | Software for Aviation Operations” and 15,753 bytes of HTML. The site links to LinkedIn.

Domain properties

Property	Value	Explanation
Top-level domain	.com	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	The domain redirects to https.
Redirect to www.	no	The domain redirects to www.domain.
Only with www.	no	The domain can only be reached with the subdomain "www".
Only DNS, no website	no	There are no A or AAAA records in DNS.
IP-Address	only IPv4	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	0	Number of domains that redirect to this domain.
Reverse IP	727,774	Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "pennsoftware.com"}'

Create a free account Read the API docs

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer	Let's Encrypt
Valid from	7/21/2026
Valid to	10/19/2026
Time until expiry	3 days

Last successful crawl

Title	Penn Software Engineering \| Software for Aviation Operations
Description	Penn Software Engineering builds booking, reservations and parts inventory software for regional airlines, charter operators and aircraft maintenance organizations. Based in Erie, Pennsylvania.
Content-Length	15,753 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	Last updated
75.2.60.5	5/27/2026
44.208.83.180	2/16/2026
54.84.240.235	2/16/2026
52.44.244.98	1/20/2026
54.165.131.183	1/20/2026

IPv6 address	Last updated
2600:1f18:4ae:c607:5974:bfa8:d54b:7fe5	2/16/2026
2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd	2/16/2026
2600:1f18:4ae:c607:d1d9:565f:b122:bfdb	1/20/2026
2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a	1/20/2026

Mail server	Priority	Last updated
mx.zoho.com	10	7/23/2026
mx2.zoho.com	20	7/23/2026
mx3.zoho.com	50	7/23/2026
mail1.namebrightmail.com	10	1/20/2026
mail2.namebrightmail.com	10	1/20/2026

Name server	Last updated
ns29.domaincontrol.com	5/27/2026
ns30.domaincontrol.com	5/27/2026
ns1.namebrightdns.com	2/16/2026
ns2.namebrightdns.com	2/16/2026
expired1.namebrightdns.com	1/20/2026

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

75.2.60.5 727,774 domains · here since 9/14/2026

Domain	On this IP since
zzzzkto.com	9/18/2026
zzzxs.top	9/12/2026
zzztts.com	9/21/2026
zzztab.com	10/13/2026
zzzoom.app	9/15/2026
zzzip.us	9/14/2026
zzzhostel.co.ke	9/15/2026
zzzhiying.com	9/23/2026
zzzarival.com	9/26/2026
zzzahothoney.com	9/12/2026
zzz.moe	9/12/2026
zzyio.com	9/20/2026
and 727,761 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.

Dive into our data, search now!