stacktheory.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

stacktheory.com

DNSSEC⚠️ Not signed
A74.208.183.199🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRwww.stacktheory.com
NSpdns13.domaincontrol.com ⭐
A97.74.110.56🇺🇸 GODADDY-DNS97.74.110.0/23
PTRpdns13.domaincontrol.com
NSpdns14.domaincontrol.com
A173.201.78.56🇺🇸 GODADDY-DNS173.201.78.0/23
PTRpdns14.domaincontrol.com
MXstacktheory-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c803::b🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn3pr0301cu00103.inbound.protection.outlook.com
A2a01:111:f403:c902::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj2pr05cu00401.inbound.protection.outlook.com
A2a01:111:f403:f802::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f90b::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bnypr02cu00102.inbound.protection.outlook.com
A52.101.9.20🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr02cu00604.inbound.protection.outlook.com
A52.101.10.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn1pr21cu00204.inbound.protection.outlook.com
A52.101.41.28🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr03cu01504.inbound.protection.outlook.com
A52.101.41.58🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj0pr02cu00102.inbound.protection.outlook.com
TXTv=spf1 ip4:74.208.183.199 include:spf.protection.outlook.com -all
SOApdns13.domaincontrol.comdns@jomax.net 2026-09-25 #1

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=1790477204

Same first word

stacktheory.com
stacktheory.io
stacktheory.co

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Previous names

stackthehours.com
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stackthemdeepsellthemcheap.com
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stackthemes.com
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stackthemetal.com
stackthemetals.com
stackthemhigh.com
stackthemoney.com
stackthempoints.com
stackthemsmashthemsightwords.com

Next names

stackthepack.com
stackthepaddles.com
stackthepads.com
stackthepadswithkirk.com
stackthepages.com
stackthepixel.com
stackthepixels.com
stacktheplate.com
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stacktherack.com
stacktherake.com
stacktherapy.com
stacktherocks.com
stackthesis.com
stacktheslate.com
stackthestage.com
stackthestates.com
stackthestones.com

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSpdns13.domaincontrol.compdns14.domaincontrol.comns49.domaincontrol.comns50.domaincontrol.comMXstacktheory-com.mail.protection.outlook.commailstore1.secureserver.netsmtp.secureserver.netA74.208.183.19950.63.197.20250.63.202.50
○NSns49.domaincontrol.com2015-05-21 → 2017-04-03 · 4 obs
● 2015-05-21 23:34:02
● 2017-04-03 19:59:44
○ 2026-09-25 15:47:40
○ 2026-09-27 02:51:20
○NSns50.domaincontrol.com2015-05-21 → 2017-04-03 · 4 obs
● 2015-05-21 23:34:02
● 2017-04-03 19:59:44
○ 2026-09-25 15:47:40
○ 2026-09-27 02:51:20
●NSpdns13.domaincontrol.com2026-09-25 → 2026-09-27 · 3 obs
○ 2017-04-03 19:59:44
● 2026-09-25 15:47:40
● 2026-09-27 02:51:20
●NSpdns14.domaincontrol.com2026-09-25 → 2026-09-27 · 3 obs
○ 2017-04-03 19:59:44
● 2026-09-25 15:47:40
● 2026-09-27 02:51:20
○MXmailstore1.secureserver.net2015-05-21 → 2017-04-03 · 4 obs
● 2015-05-21 23:34:02
● 2017-04-03 19:59:44
○ 2026-09-25 15:47:40
○ 2026-09-27 02:51:20
○MXsmtp.secureserver.net2015-05-21 → 2017-04-03 · 4 obs
● 2015-05-21 23:34:02
● 2017-04-03 19:59:44
○ 2026-09-25 15:47:40
○ 2026-09-27 02:51:20
●MXstacktheory-com.mail.protection.outlook.com2026-09-25 → 2026-09-27 · 3 obs
○ 2017-04-03 19:59:44
● 2026-09-25 15:47:40
● 2026-09-27 02:51:20
○A50.63.197.2022015-05-21 → 2016-04-24 · 4 obs
● 2015-05-21 23:34:02
● 2016-04-24 09:16:36
○ 2017-04-03 19:59:44
○ 2026-09-27 02:51:20
○A50.63.202.502017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-24 09:16:36
● 2017-04-03 19:59:44
○ 2026-09-25 15:47:40
○ 2026-09-27 02:51:20
●A74.208.183.1992026-09-25 → 2026-09-27 · 3 obs
○ 2017-04-03 19:59:44
● 2026-09-25 15:47:40
● 2026-09-27 02:51:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...-
stacktheory.compdns13.domaincontrol.com, pdns14.domaincontrol.com2 records

✅ Authoritative Response

Server:173.201.78.56

NS records: pdns13.domaincontrol.com, pdns14.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacktheory.com (unsigned zone)

⏱️ Timing

Total: 286ms | Queries: -

📄 Records

TypeCountSample Data
A174.208.183.199
NS2pdns13.domaincontrol.com, pdns14.domaincontrol.com
MX1stacktheory-com.mail.protection.outlook.
TXT1v=spf1 ip4:74.208.183.199 include:spf.pr
SOA1pdns13.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns13.domaincontrol.com, pdns14.domaincontrol.com)

Analysis

IP Addresses

stacktheory.com has exactly one IP address — 74.208.183.199.

Name Servers

stacktheory.com uses two name servers for its delegation: pdns13.domaincontrol.com and pdns14.domaincontrol.com.

The name server configuration of stacktheory.com is shared with other domains, for instance pcbtitle.com, theravance-career.com, storiedlit.com and two others.

pdns13.domaincontrol.com → 97.74.110.56 and pdns14.domaincontrol.com → 173.201.78.56: one IP number per host name.

Mail Servers

stacktheory.com uses one mail server — stacktheory-com.mail.protection.outlook.com.

stacktheory-com.mail.protection.outlook.com has 8 IP addresses: 52.101.9.20, 52.101.10.12, 52.101.41.28 plus 5 more.