er-sec.com - robtex.com
er-sec.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=1771291435 | ||||||
Same first word
er-sec.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.bdm.microsoftonline.com2019-12-17 → 2026-03-23 · 2 obs
● 2026-03-23 10:01:58
●NSns2.bdm.microsoftonline.com2019-12-17 → 2026-03-23 · 2 obs
● 2026-03-23 10:01:58
●NSns3.bdm.microsoftonline.com2019-12-17 → 2026-03-23 · 2 obs
● 2026-03-23 10:01:58
●NSns4.bdm.microsoftonline.com2019-12-17 → 2026-03-23 · 2 obs
● 2026-03-23 10:01:58
●MXersec-com0e.mail.protection.outlook.com2019-12-17 → 2026-03-23 · 2 obs
● 2026-03-23 10:01:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net... | - |
| er-sec.com | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com | 4 records |
✅ Authoritative Response
Server:150.171.21.208
NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for er-sec.com (unsigned zone)
⏱️ Timing
Total: 447ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | ersec-com0e.mail.protection.outlook.com |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, mscid=KcO1Fi0x7i8K6MhJM5ixHMcL4/IDIZV5J3 |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)
Analysis
Name Servers
er-sec.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
er-sec.com at least partially shares name servers with other domains, for instance fluid-systems.net, contractingsolutions.com.au, babcoinc.com, mayinbox.com and amgon-isc.com.
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
er-sec.com is handled by a single mail server, ersec-com0e.mail.protection.outlook.com.
Host name ersec-com0e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::c, 2a01:111:f403:ca09::e, 52.101.68.21, 52.101.73.1, 52.101.73.12 and 52.101.73.15.