preprogramming.com - dns.ninja

preprogramming.com

DNSSEC⚠️ Not signed
A44.227.65.245🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-227-65-245.us-west-2.compute.amazonaws.com
A44.227.76.166🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
NScuritiba.ns.porkbun.com ⭐
A2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSfortaleza.ns.porkbun.com
A2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSmaceio.ns.porkbun.com
A2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSsalvador.ns.porkbun.com
A2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAcuritiba.ns.porkbun.comdns@cloudflare.com serial=2406816909

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781618785

Subdomains

mail.preprogramming.com

Same first word

preprogramming.com

Similar names

perprogramming.com
perprogramming.de

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NScuritiba.ns.porkbun.comfortaleza.ns.porkbun.commaceio.ns.porkbun.comsalvador.ns.porkbun.comns1.afternic.comns1.instradns.comns1.namebrightdns.comns2.afternic.comns2.instradns.comns2.namebrightdns.comns3.instradns.comMXmail.preprogramming.commail1.namebrightmail.commail2.namebrightmail.comA44.227.65.24544.227.76.16613.248.169.48184.95.38.19676.223.54.146CNAMEcomingsoon.namebright.com
●NScuritiba.ns.porkbun.com2026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
●NSfortaleza.ns.porkbun.com2026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
●NSmaceio.ns.porkbun.com2026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
○NSns1.afternic.com2026-02-28 → 2026-05-10 · 4 obs
○ 2020-03-28 03:27:00
● 2026-02-28 10:26:28
● 2026-05-10 07:53:50
○ 2026-06-16 14:32:38
○NSns1.instradns.com2015-07-08 → 2017-01-19 · 4 obs
● 2015-07-08 04:06:20
● 2017-01-19 21:24:56
○ 2020-03-28 03:27:00
○ 2026-06-16 14:32:38
○NSns1.namebrightdns.com2020-03-28 → 2020-03-28 · 4 obs
○ 2017-01-19 21:24:56
● 2020-03-28 03:27:00
○ 2026-02-28 10:26:28
○ 2026-06-16 14:32:38
○NSns2.afternic.com2026-02-28 → 2026-05-10 · 4 obs
○ 2020-03-28 03:27:00
● 2026-02-28 10:26:28
● 2026-05-10 07:53:50
○ 2026-06-16 14:32:38
○NSns2.instradns.com2015-07-08 → 2017-01-19 · 4 obs
● 2015-07-08 04:06:20
● 2017-01-19 21:24:56
○ 2020-03-28 03:27:00
○ 2026-06-16 14:32:38
○NSns2.namebrightdns.com2020-03-28 → 2020-03-28 · 4 obs
○ 2017-01-19 21:24:56
● 2020-03-28 03:27:00
○ 2026-02-28 10:26:28
○ 2026-06-16 14:32:38
○NSns3.instradns.com2015-07-08 → 2017-01-19 · 4 obs
● 2015-07-08 04:06:20
● 2017-01-19 21:24:56
○ 2020-03-28 03:27:00
○ 2026-06-16 14:32:38
●NSsalvador.ns.porkbun.com2026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
○MXmail.preprogramming.com2015-07-08 → 2017-01-19 · 4 obs
● 2015-07-08 04:06:20
● 2017-01-19 21:24:56
○ 2020-03-28 03:27:00
○ 2026-06-16 14:32:38
○MXmail1.namebrightmail.com2020-03-28 → 2020-03-28 · 4 obs
○ 2017-01-19 21:24:56
● 2020-03-28 03:27:00
○ 2026-02-28 10:26:28
○ 2026-06-16 14:32:38
○MXmail2.namebrightmail.com2020-03-28 → 2020-03-28 · 4 obs
○ 2017-01-19 21:24:56
● 2020-03-28 03:27:00
○ 2026-02-28 10:26:28
○ 2026-06-16 14:32:38
○A13.248.169.482026-02-28 → 2026-05-10 · 4 obs
○ 2020-03-28 03:27:00
● 2026-02-28 10:26:28
● 2026-05-10 07:53:50
○ 2026-06-16 14:32:38
○A184.95.38.1962015-07-08 → 2017-01-19 · 4 obs
● 2015-07-08 04:06:20
● 2017-01-19 21:24:56
○ 2020-03-28 03:27:00
○ 2026-06-16 14:32:38
●A44.227.65.2452026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
●A44.227.76.1662026-06-16 → 2026-06-16 · 2 obs
○ 2026-05-10 07:53:50
● 2026-06-16 14:32:38
○A76.223.54.1462026-02-28 → 2026-05-10 · 4 obs
○ 2020-03-28 03:27:00
● 2026-02-28 10:26:28
● 2026-05-10 07:53:50
○ 2026-06-16 14:32:38
○CNAMEcomingsoon.namebright.com2020-03-28 → 2020-03-28 · 3 obs
● 2020-03-28 03:27:00
○ 2026-02-28 10:26:28
○ 2026-06-16 14:32:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...-
preprogramming.commaceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com8 records

✅ Authoritative Response

Server:162.159.8.140

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preprogramming.com (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

TypeCountSample Data
A244.227.76.166, 44.227.65.245
NS4curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...
SOA1curitiba.ns.porkbun.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

Hierarchy

mail.preprogramming.com is a subdomain of preprogramming.com.

IP Addresses

preprogramming.com has two IP addresses: 44.227.65.245 and 44.227.76.166

Additional host names — ugg-australia.org.uk, raltu.com, travelsbro.com and two others — share IP numbers with preprogramming.com.

Name Servers

preprogramming.com has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

The name servers of preprogramming.com overlap at least partially with those of other domains — among them dealsgiving.com, uapvql.xyz, mennohomes.com and two more.

Each of the four hosts curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com has two IP addresses. curitiba.ns.porkbun.com points to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25. fortaleza.ns.porkbun.com points to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c. maceio.ns.porkbun.com points to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4. salvador.ns.porkbun.com points to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.