firstenv.com - robtex.com
firstenv.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777390306 | ||||||
PTR for
Same first word
firstenv.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSns1.bdm.microsoftonline.com2016-09-23 → 2026-04-28 · 3 obs
● 2016-09-23 08:50:22
● 2026-04-28 15:42:52
●NSns2.bdm.microsoftonline.com2016-09-23 → 2026-04-28 · 3 obs
● 2016-09-23 08:50:22
● 2026-04-28 15:42:52
●NSns3.bdm.microsoftonline.com2016-09-23 → 2026-04-28 · 3 obs
● 2016-09-23 08:50:22
● 2026-04-28 15:42:52
○NSns35.worldnic.com2015-06-16 → 2016-04-09 · 4 obs
● 2016-04-09 00:18:36
○ 2016-09-23 08:50:22
○ 2026-04-28 15:42:52
○NSns36.worldnic.com2015-06-16 → 2016-04-09 · 4 obs
● 2016-04-09 00:18:36
○ 2016-09-23 08:50:22
○ 2026-04-28 15:42:52
●NSns4.bdm.microsoftonline.com2016-09-23 → 2026-04-28 · 3 obs
● 2016-09-23 08:50:22
● 2026-04-28 15:42:52
●MXfirstenv-com.mail.protection.outlook.com2016-09-23 → 2026-04-28 · 3 obs
● 2016-09-23 08:50:22
● 2026-04-28 15:42:52
○MXmail.firstenv.com2015-06-16 → 2016-04-09 · 4 obs
● 2016-04-09 00:18:36
○ 2016-09-23 08:50:22
○ 2026-04-28 15:42:52
●A50.240.171.102015-06-16 → 2026-04-28 · 2 obs
● 2026-04-28 15:42:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net... | - |
| firstenv.com | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | 8 records |
✅ Authoritative Response
Server:204.14.183.208
NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstenv.com (unsigned zone)
⏱️ Timing
Total: 336ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.240.171.10 |
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | firstenv-com.mail.protection.outlook.com |
| TXT | 2 | v=spf1 ip4:50.240.171.9 include:spf.prot, mscid=pXiIEKnSh6LfWqLoyWGGWsB4x1u4Y5GGBf |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)
Analysis
IP Addresses
firstenv.com resolves to one IP number: 50.240.171.10.
Name Servers
firstenv.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
firstenv.com at least partially shares name servers with other domains, for instance bateelusa.com, skcl.org.uk, onkok.com, sevenit.ch and razornet.com.au.
Host names with two IP numbers:
ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208; ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208; ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208; ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208.
Mail Servers
firstenv.com is handled by a single mail server, firstenv-com.mail.protection.outlook.com.
Host firstenv-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c902::16, 2a01:111:f403:f802::, 2a01:111:f403:f913::, 52.101.10.12, 52.101.41.28, 52.101.42.18 and 52.101.50.10.