contextstack.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

contextstack.dev

DNSSEC⚠️ Not signed
A35.92.33.184🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix
PTRec2-35-92-33-184.us-west-2.compute.amazonaws.com
NSns1039.ui-dns.biz ⭐
A2607:f1c0:fe:53:185:132:33:39🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1039.ui-dns.biz
A185.132.33.39🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1039.ui-dns.biz
NSns1030.ui-dns.de
A2607:f1c0:fe:53:185:132:32:30🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1030.ui-dns.de
A185.132.32.30🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1030.ui-dns.de
NSns1038.ui-dns.org
A2607:f1c0:fe:53:185:132:35:38🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1038.ui-dns.org
A185.132.35.38🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1038.ui-dns.org
NSns1083.ui-dns.com
A2607:f1c0:fe:53:185:132:34:83🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1083.ui-dns.com
A185.132.34.83🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1083.ui-dns.com
MXmx00.ionos.es ⭐
A212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.es ⭐
A212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1039.ui-dns.bizhostmaster@1und1.com 2017-06-01 #10

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

NSns1030.ui-dns.dens1038.ui-dns.orgns1039.ui-dns.bizns1083.ui-dns.comMXmx00.ionos.esmx01.ionos.esA35.92.33.184
●NSns1030.ui-dns.de2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●NSns1038.ui-dns.org2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●NSns1039.ui-dns.biz2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●NSns1083.ui-dns.com2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●MXmx00.ionos.es2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●MXmx01.ionos.es2026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34
●A35.92.33.1842026-09-28 → 2026-09-30 · 2 obs
● 2026-09-28 00:13:14
● 2026-09-30 20:38:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
contextstack.devns1039.ui-dns.biz, ns1030.ui-dns.de, ns1083.ui-dns.com, ns1038.ui-dns.org-

✅ Authoritative Response

Server:185.132.35.38

NS records: ns1039.ui-dns.biz, ns1030.ui-dns.de, ns1083.ui-dns.com, ns1038.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextstack.dev (unsigned zone)

⏱️ Timing

Total: 802ms | Queries: -

📄 Records

TypeCountSample Data
A135.92.33.184
NS4ns1083.ui-dns.com, ns1039.ui-dns.biz...
MX2mx01.ionos.es (pri: 10), mx00.ionos.es (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1039.ui-dns.biz hostmaster.1und1.com

Analysis

IP Addresses

contextstack.dev resolves to one IP address: 35.92.33.184.

Other host names — txlestudios.es, versionup.net, ec2-35-92-33-184.us-west-2.compute.amazonaws.com and txlback.com — share IP numbers with contextstack.dev.

Name Servers

The authoritative name servers for contextstack.dev are ns1039.ui-dns.biz, ns1083.ui-dns.com, ns1030.ui-dns.de and ns1038.ui-dns.org.

There is at least partial name server overlap between contextstack.dev and other domains — rpconduite.fr, alupoblets.es, formacionpracticas.com and two more among them.

These name servers regularly appear alongside ns1030.ui-dns.biz, ns1039.ui-dns.com, ns1038.ui-dns.de and 7 other name servers in NS record sets.

All four hostnames — ns1039.ui-dns.biz, ns1083.ui-dns.com, ns1030.ui-dns.de and ns1038.ui-dns.org — resolve to two IP numbers apiece: ns1039.ui-dns.biz to 185.132.33.39 and 2607:f1c0:fe:53:185:132:33:39; ns1083.ui-dns.com to 185.132.34.83 and 2607:f1c0:fe:53:185:132:34:83; ns1030.ui-dns.de to 185.132.32.30 and 2607:f1c0:fe:53:185:132:32:30; ns1038.ui-dns.org to 185.132.35.38 and 2607:f1c0:fe:53:185:132:35:38.

Mail Servers

Mail for contextstack.dev is handled by two mail servers — mx00.ionos.es and mx01.ionos.es.

contextstack.dev uses an identical mail server configuration to several other domains — among them dynexus.es, ventanasalberto.es, brandoog.com and two more.

contextstack.dev and other domains — entreazahares.es for instance — share at least some mail servers.

mx00.ionos.es → 212.227.15.171 and mx01.ionos.es → 212.227.15.188: one IP number per host name.