contextfirst.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

contextfirst.dev

DNSSEC⚠️ Not signed
A199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google
NSns1072.ui-dns.biz ⭐
A2607:f1c0:fe:53:185:132:33:72🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1072.ui-dns.biz
A185.132.33.72🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1072.ui-dns.biz
NSns1028.ui-dns.com
A2607:f1c0:fe:53:185:132:34:28🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1028.ui-dns.com
A185.132.34.28🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1028.ui-dns.com
NSns1034.ui-dns.org
A2607:f1c0:fe:53:185:132:35:34🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1034.ui-dns.org
A185.132.35.34🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1034.ui-dns.org
NSns1090.ui-dns.de
A2607:f1c0:fe:53:185:132:32:90🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1090.ui-dns.de
A185.132.32.90🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
MXmx00.ionos.de ⭐
A212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
TXThosting-site=ai-dev-starterkit
SOAns1072.ui-dns.bizhostmaster@1und1.com 2017-06-01 #16

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

contextfirst.dev
contextfirst.ai
contextfirst.net

Similar names

firstcontext.app
firstcontext.com

Previous names

contents.dev
contentsquare.dev
contentstack.dev
contenttimes.dev
contentvault.dev
contentworker.dev
conteo.dev
contests.dev
contexa.dev
contexei.dev
contexis.dev
context-base.dev
context-core.dev
context.dev
contextaco.dev
contextbot.dev
contextdynamics.dev
contexter.dev
contextfederation.dev

Next names

contextflow.dev
contextframes.dev
contextfy.dev
contextgem.dev
contextinfinity.dev
contextive.dev
contextkit.dev
contextlake.dev
contextlink.dev
contextlock.dev
contextlor.dev
contextlore.dev
contextly.dev
contextmap.dev
contextocr.dev
contextops.dev
contextpacket.dev

DNS History

7 records (7 active, 0 former)

NSns1028.ui-dns.comns1034.ui-dns.orgns1072.ui-dns.bizns1090.ui-dns.deMXmx00.ionos.demx01.ionos.deA199.36.158.100
●NSns1028.ui-dns.com2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●NSns1034.ui-dns.org2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●NSns1072.ui-dns.biz2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●NSns1090.ui-dns.de2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●MXmx00.ionos.de2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●MXmx01.ionos.de2026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24
●A199.36.158.1002026-08-27 → 2026-08-28 · 2 obs
● 2026-08-27 18:24:36
● 2026-08-28 16:06:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
contextfirst.devns1034.ui-dns.org, ns1072.ui-dns.biz, ns1028.ui-dns.com, ns1090.ui-dns.de-

✅ Authoritative Response

Server:185.132.33.72

NS records: ns1034.ui-dns.org, ns1072.ui-dns.biz, ns1028.ui-dns.com, ns1090.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextfirst.dev (unsigned zone)

⏱️ Timing

Total: 720ms | Queries: -

📄 Records

TypeCountSample Data
A1199.36.158.100
NS4ns1034.ui-dns.org, ns1090.ui-dns.de...
MX2mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)
TXT2v=spf1 include:_spf-eu.ionos.com ~all, hosting-site=ai-dev-starterkit
SOA1ns1072.ui-dns.biz hostmaster.1und1.com

Analysis

IP Addresses

contextfirst.dev points to a single IP number: 199.36.158.100.

Additional host names — dailydairydiary.in, kreativshopping.de, trendscape.ph and two others — share IP numbers with contextfirst.dev.

Name Servers

contextfirst.dev has four authoritative name servers: ns1072.ui-dns.biz, ns1028.ui-dns.com, ns1090.ui-dns.de and ns1034.ui-dns.org.

At least some of contextfirst.dev's name servers are shared with other domains, for example simlab-soft.com, medcodes.net, g47.org and two more.

These name servers tend to co-occur with ns1072.ui-dns.com, ns1072.ui-dns.org, ns1072.ui-dns.de and 7 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: ns1072.ui-dns.biz directs to 185.132.33.72 and 2607:f1c0:fe:53:185:132:33:72; ns1028.ui-dns.com directs to 185.132.34.28 and 2607:f1c0:fe:53:185:132:34:28; ns1090.ui-dns.de directs to 185.132.32.90 and 2607:f1c0:fe:53:185:132:32:90; ns1034.ui-dns.org directs to 185.132.35.34 and 2607:f1c0:fe:53:185:132:35:34.

Mail Servers

contextfirst.dev has two mail servers: mx00.ionos.de and mx01.ionos.de.

contextfirst.dev shares the same mail server setup as other domains, including hsr-retro.de, mittelrheiner.com, bibkoeln.com and two others.

Each of mx00.ionos.de and mx01.ionos.de has one IP address: mx00.ionos.de uses 212.227.15.171 and mx01.ionos.de uses 212.227.15.188.