holbrookfd.org - robtex.com
holbrookfd.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.51.216.100🇺🇸 Microsoft20.48.0.0/12 | ||||||
| PTR | firehousesolutions.com | ||||||
| NS | ns1-04.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::4🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-04.azure-dns.com | ||||||
| A | 13.107.236.4🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-04.azure-dns.com | ||||||
| NS | ns2-04.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-04.azure-dns.net | ||||||
| A | 150.171.21.4🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-04.azure-dns.net | ||||||
| NS | ns3-04.azure-dns.org | ||||||
| A | 2a01:111:4000:700::4🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-04.azure-dns.org | ||||||
| A | 204.14.183.4🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-04.azure-dns.org | ||||||
| NS | ns4-04.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::4🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-04.azure-dns.info | ||||||
| A | 208.84.5.4🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-04.azure-dns.info | ||||||
| MX | mail.firehousesolutions.com ⭐ | ||||||
| A | 40.76.153.250🇺🇸 Microsoft40.76.0.0/14 | ||||||
| PTR | mail.firehousesolutions.com | ||||||
| TXT | v=spf1 mx a:mail.firehousesolutions.com ~all | ||||||
| SOA | ns1-04.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777293950 | ||||||
Same first word
holbrookfd.org |
DNS History
10 records (6 active, 4 former)
●NSns1-04.azure-dns.com2026-04-14 → 2026-04-27 · 3 obs
● 2026-04-14 05:55:40
● 2026-04-27 13:06:04
○NSns1.lnhi.net2015-08-22 → 2017-03-15 · 4 obs
● 2017-03-15 10:06:44
○ 2026-04-14 05:55:40
○ 2026-04-27 13:06:04
●NSns2-04.azure-dns.net2026-04-14 → 2026-04-27 · 3 obs
● 2026-04-14 05:55:40
● 2026-04-27 13:06:04
○NSns2.lnhi.net2015-08-22 → 2017-03-15 · 4 obs
● 2017-03-15 10:06:44
○ 2026-04-14 05:55:40
○ 2026-04-27 13:06:04
●NSns3-04.azure-dns.org2026-04-14 → 2026-04-27 · 3 obs
● 2026-04-14 05:55:40
● 2026-04-27 13:06:04
○NSns3.lnhi.net2015-08-22 → 2017-03-15 · 4 obs
● 2017-03-15 10:06:44
○ 2026-04-14 05:55:40
○ 2026-04-27 13:06:04
●NSns4-04.azure-dns.info2026-04-14 → 2026-04-27 · 3 obs
● 2026-04-14 05:55:40
● 2026-04-27 13:06:04
●MXmail.firehousesolutions.com2015-08-22 → 2026-04-27 · 2 obs
● 2026-04-27 13:06:04
●A20.51.216.1002026-04-14 → 2026-04-27 · 3 obs
● 2026-04-14 05:55:40
● 2026-04-27 13:06:04
○A76.12.100.1482015-08-22 → 2017-03-15 · 4 obs
● 2017-03-15 10:06:44
○ 2026-04-14 05:55:40
○ 2026-04-27 13:06:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| holbrookfd.org | ns3-04.azure-dns.org, ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns4-04.azure-dns.info | 2 records |
✅ Authoritative Response
Server:13.107.236.4
NS records: ns3-04.azure-dns.org, ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns4-04.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for holbrookfd.org (unsigned zone)
⏱️ Timing
Total: 205ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.51.216.100 |
| NS | 4 | ns1-04.azure-dns.com, ns2-04.azure-dns.net... |
| MX | 1 | mail.firehousesolutions.com (pri: 0) |
| TXT | 1 | v=spf1 mx a:mail.firehousesolutions.com |
| SOA | 1 | ns1-04.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3-04.azure-dns.org, ns3-04.azure-dns.org)
Analysis
IP Addresses
holbrookfd.org points to an IP address: 20.51.216.100.
other host names include firstwestchester.org, ccvesa.org, hhvfc.com, smcals.org and platotownship.com; they share IP numbers with holbrookfd.org.
Name Servers
holbrookfd.org delegates to four name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.
holbrookfd.org at least partially shares name servers with other domains, for instance kingsbruton.org, sonici.org, ideagengael.com, microsoftcasualgames.net and pasch-net.de.
Host names with two IP numbers: ns1-04.azure-dns.com points to 2603:1061:0:700::4 and 13.107.236.4; ns4-04.azure-dns.info points to 2620:1ec:bda:700::4 and 208.84.5.4; ns2-04.azure-dns.net points to 2620:1ec:8ec:700::4 and 150.171.21.4; ns3-04.azure-dns.org points to 2a01:111:4000:700::4 and 204.14.183.4.
Mail Servers
holbrookfd.org is handled by a single mail server, mail.firehousesolutions.com.
holbrookfd.org uses the same mail server setup as other domains, for instance hvvfa.com, whiteoakfire.com, stpaulfireny.gov, cypresspointefd.com and wtvfd.com.
holbrookfd.org shares at least partially some mail servers with other domains, for instance oceanbeachfire.com, chesapeaketrophy.com, shepherdsfire.com, svfc-10.com and sccfca.org.
The host name mail.firehousesolutions.com points to IP 40.76.153.250.