contextfirst.dev - robtex.com
contextfirst.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google | ||||||
| NS | ns1072.ui-dns.biz ⭐ | ||||||
| NS | ns1028.ui-dns.com | ||||||
| NS | ns1034.ui-dns.org | ||||||
| A | 2607: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 | ||||||
| PTR | ns1034.ui-dns.org | ||||||
| A | 185.132.35.34🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1034.ui-dns.org | ||||||
| NS | ns1090.ui-dns.de | ||||||
| A | 2607: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 | ||||||
| PTR | ns1090.ui-dns.de | ||||||
| A | 185.132.32.90🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1090.ui-dns.de | ||||||
| MX | mx00.ionos.de ⭐ | ||||||
| A | 212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2 | ||||||
| PTR | mx00.kundenserver.de | ||||||
| MX | mx01.ionos.de ⭐ | ||||||
| A | 212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2 | ||||||
| PTR | mx01.kundenserver.de | ||||||
| TXT | v=spf1 include:_spf-eu.ionos.com ~all | ||||||
| TXT | hosting-site=ai-dev-starterkit | ||||||
| SOA | ns1072.ui-dns.bizhostmaster@1und1.com 2017-06-01 #16 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
contextfirst.dev |
contextfirst.co.uk |
contextfirst.ai |
contextfirst.net |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSns1028.ui-dns.com2026-08-27 → 2026-08-30 · 2 obs
● 2026-08-30 03:16:42
●NSns1034.ui-dns.org2026-08-27 → 2026-08-30 · 2 obs
● 2026-08-30 03:16:42
●NSns1072.ui-dns.biz2026-08-27 → 2026-08-30 · 2 obs
● 2026-08-30 03:16:42
●A199.36.158.1002026-08-27 → 2026-08-30 · 2 obs
● 2026-08-30 03:16:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| contextfirst.dev | ns1028.ui-dns.com, ns1072.ui-dns.biz, ns1090.ui-dns.de, ns1034.ui-dns.org | - |
✅ Authoritative Response
Server:185.132.34.28
NS records: ns1028.ui-dns.com, ns1072.ui-dns.biz, ns1090.ui-dns.de, ns1034.ui-dns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contextfirst.dev (unsigned zone)
⏱️ Timing
Total: 793ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.36.158.100 |
| NS | 4 | ns1090.ui-dns.de, ns1034.ui-dns.org... |
| MX | 2 | mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10) |
| TXT | 2 | v=spf1 include:_spf-eu.ionos.com ~all, hosting-site=ai-dev-starterkit |
| SOA | 1 | ns1072.ui-dns.biz hostmaster.1und1.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
contextfirst.dev resolves to one IP address: 199.36.158.100.
dailydairydiary.in, kreativshopping.de, trendscape.ph and two other host names share IP numbers with contextfirst.dev.
Name Servers
The authoritative name servers for contextfirst.dev are ns1072.ui-dns.biz, ns1028.ui-dns.com, ns1090.ui-dns.de and ns1034.ui-dns.org.
There is at least partial name server overlap between contextfirst.dev and other domains — simlab-soft.com, medcodes.net, g47.org and two more among them.
These name servers regularly appear alongside ns1072.ui-dns.com, ns1072.ui-dns.org, ns1072.ui-dns.de and 7 other name servers in NS record sets.
ns1090.ui-dns.de resolves to 185.132.32.90 and 2607:f1c0:fe:53:185:132:32:90. Likewise, ns1034.ui-dns.org resolves to 185.132.35.34 and 2607:f1c0:fe:53:185:132:35:34 — two IP addresses apiece.
Mail Servers
Mail for contextfirst.dev is handled by two mail servers — mx00.ionos.de and mx01.ionos.de.
contextfirst.dev uses an identical mail server configuration to several other domains — among them hsr-retro.de, mittelrheiner.com, bibkoeln.com and two more.
mx00.ionos.de → 212.227.15.171 and mx01.ionos.de → 212.227.15.188: one IP number per host name.