hollberg.com - robtex.com
hollberg.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=1778699541 | ||||||
Same first word
hollberg.com |
DNS History
9 records (6 active, 3 former)
●NSns1.bdm.microsoftonline.com2015-08-02 → 2026-05-13 · 2 obs
● 2026-05-13 19:38:20
●NSns2.bdm.microsoftonline.com2015-08-02 → 2026-05-13 · 2 obs
● 2026-05-13 19:38:20
●NSns3.bdm.microsoftonline.com2015-08-02 → 2026-05-13 · 2 obs
● 2026-05-13 19:38:20
●NSns4.bdm.microsoftonline.com2015-08-02 → 2026-05-13 · 2 obs
● 2026-05-13 19:38:20
●MXhollberg-com.mail.eo.outlook.com2015-08-02 → 2026-05-13 · 2 obs
● 2026-05-13 19:38:20
○A134.170.208.372016-03-19 → 2016-07-16 · 5 obs
● 2016-03-19 18:04:44
● 2016-07-16 07:50:32
○ 2017-03-23 18:02:30
○ 2026-05-13 19:38:20
○A134.170.210.372015-08-02 → 2015-11-28 · 4 obs
● 2015-11-28 15:57:08
○ 2016-03-19 18:04:44
○ 2026-05-13 19:38:20
○A40.108.135.252017-03-23 → 2017-03-23 · 4 obs
● 2017-03-23 18:02:30
○ 2026-02-16 00:33:16
○ 2026-05-13 19:38:20
●A40.108.137.252026-02-16 → 2026-05-13 · 3 obs
● 2026-02-16 00:33:16
● 2026-05-13 19:38:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| hollberg.com | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | 8 records |
✅ Authoritative Response
Server:13.107.236.208
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 hollberg.com (unsigned zone)
⏱️ Timing
Total: 216ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 40.108.137.25 |
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | hollberg-com.mail.eo.outlook.com (pri: 0 |
| TXT | 2 | mscid=pFQUJHIBw+oYrDGxlWkVzFJahYSHyfYF9A, v=spf1 include:outlook.com ~all |
| 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
hollberg.com points to IP number: 40.108.137.25.
Other host names for instance doubleeaglelawnservice.com, denver-lighting.com, elitebuildingservicesokc.net and vmatech.com share IP numbers with hollberg.com.
Name Servers
hollberg.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
hollberg.com at least partially shares name servers with other domains, for instance wooti.co.uk, hertle.org, chicagocodemonkeys.com, ieslp.com.au and dgcomercat.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
hollberg.com is handled by a single mail server, hollberg-com.mail.eo.outlook.com.
Host name hollberg-com.mail.eo.outlook.com points to eight IP numbers: 2a01:111:f403:c903::3, 2a01:111:f403:c92c::3, 2a01:111:f403:c946::7, 2a01:111:f403:f804::1, 52.101.8.46, 52.101.9.0, 52.101.10.6 and 52.101.41.0.