firstbook.ai - robtex.com
firstbook.ai
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| TXT | v=spf1 include:spf.simply.com -all | ||||||
| TXT | google-site-verification=koWn0w2y5cPeoGotUUUpw0YjBd1AFGSt9SrkbFq1rf4 | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2026-04-22 #2 | ||||||
ai
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.ai ⭐ | ||||||
| NS | v0n1.nic.ai | ||||||
| NS | v0n2.nic.ai | ||||||
| NS | v0n3.nic.ai | ||||||
| NS | v2n0.nic.ai | ||||||
| NS | v2n1.nic.ai | ||||||
| SOA | v0n0.nic.aihostmaster@donuts.email serial=1786533841 | ||||||
Same first word
firstbook.org |
firstbook.com.br |
firstbook.co.uk |
firstbook.cn |
firstbook.com |
firstbook.kr |
firstbook.net |
firstbook.ai |
firstbook.ru |
firstbook.it |
firstbook.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.simply.com2026-05-23 → 2026-08-12 · 2 obs
● 2026-08-12 11:31:16
●NSns2.simply.com2026-05-23 → 2026-08-12 · 2 obs
● 2026-08-12 11:31:16
●NSns3.simply.com2026-05-23 → 2026-08-12 · 2 obs
● 2026-08-12 11:31:16
●MXmx.simply.com2026-05-23 → 2026-08-12 · 2 obs
● 2026-08-12 11:31:16
●A216.198.79.12026-05-23 → 2026-08-12 · 2 obs
● 2026-08-12 11:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ai | v2n0.nic.ai, v0n2.nic.ai, v0n1.nic.ai, v0n0.nic.ai... | - |
| firstbook.ai | ns1.simply.com, ns2.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1220ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 3 | ns1.simply.com, ns2.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| TXT | 2 | v=spf1 include:spf.simply.com -all, google-site-verification=koWn0w2y5cPeoGo |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
firstbook.ai resolves to one IP address: 216.198.79.1.
mail.adrenalinas.lt, cscydesign.com, gigviz.com and two other host names share IP numbers with firstbook.ai.
Name Servers
firstbook.ai carries NS records delegating to ns1.simply.com, ns2.simply.com and ns3.simply.com.
firstbook.ai shares at least some of its name servers with other domains, including soundstorexl.fr, baes.dk, duranduran.dk and two others.
These name servers are frequently paired with the name servers ns4.simply.com, ns1.unoeuro.com and ns2.unoeuro.com.
Hostnames that resolve to two IP addresses:
ns1.simply.com resolves to two addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com resolves to two addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Hosts with just one IP address:
The hostname ns3.simply.com resolves to 91.197.248.79.
Mail Servers
Mail for firstbook.ai is handled by a single mail server, mx.simply.com.
firstbook.ai uses an identical mail server configuration to several other domains — among them acunova.net, mariefred-tkd.se, lonnelid.net and two more.
firstbook.ai shares at least some of its mail servers with other domains, such as talmester.dk.
mx.simply.com carries a single IP number, which is 94.231.106.20.