ctvfc21.org - robtex.com

ctvfc21.org

DNSSEC⚠️ Not signed
A20.51.216.100🇺🇸 Microsoft20.48.0.0/12
PTRfirehousesolutions.com
NSns1-01.azure-dns.com ⭐
A2603:1061:0:700::1🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-01.azure-dns.com
A13.107.236.1🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-01.azure-dns.com
NSns2-01.azure-dns.net
A2620:1ec:8ec:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-01.azure-dns.net
A150.171.21.1🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-01.azure-dns.net
NSns3-01.azure-dns.org
A2a01:111:4000:700::1🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-01.azure-dns.org
A204.14.183.1🇺🇸 Microsoft204.14.180.0/22
PTRns3-01.azure-dns.org
NSns4-01.azure-dns.info
A2620:1ec:bda:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-01.azure-dns.info
A208.84.5.1🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-01.azure-dns.info
MXmail.firehousesolutions.com ⭐
A40.76.153.250🇺🇸 Microsoft40.76.0.0/14
PTRmail.firehousesolutions.com
TXTv=spf1 mx a:mail.firehousesolutions.com ~all
SOAns1-01.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776291688
WOT: SAFE (62/100)

Same first word

ctvfc21.org

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSns1-01.azure-dns.comns2-01.azure-dns.netns3-01.azure-dns.orgns4-01.azure-dns.infons1.hosting.comns2.hosting.comns3.hosting.comns57.1and1.comns58.1and1.comMXmail.firehousesolutions.commx00.1and1.commx01.1and1.comA20.51.216.10074.208.28.14176.12.100.148
●NSns1-01.azure-dns.com2026-04-03 → 2026-04-15 · 3 obs
○ 2017-05-31 06:38:54
● 2026-04-03 20:10:06
● 2026-04-15 22:40:00
○NSns1.hosting.com2016-04-11 → 2017-05-31 · 5 obs
○ 2016-01-14 07:29:08
● 2016-04-11 15:46:28
● 2017-05-31 06:38:54
○ 2026-04-03 20:10:06
○ 2026-04-15 22:40:00
●NSns2-01.azure-dns.net2026-04-03 → 2026-04-15 · 3 obs
○ 2017-05-31 06:38:54
● 2026-04-03 20:10:06
● 2026-04-15 22:40:00
○NSns2.hosting.com2016-04-11 → 2017-05-31 · 5 obs
○ 2016-01-14 07:29:08
● 2016-04-11 15:46:28
● 2017-05-31 06:38:54
○ 2026-04-03 20:10:06
○ 2026-04-15 22:40:00
●NSns3-01.azure-dns.org2026-04-03 → 2026-04-15 · 3 obs
○ 2017-05-31 06:38:54
● 2026-04-03 20:10:06
● 2026-04-15 22:40:00
○NSns3.hosting.com2016-04-11 → 2017-05-31 · 5 obs
○ 2016-01-14 07:29:08
● 2016-04-11 15:46:28
● 2017-05-31 06:38:54
○ 2026-04-03 20:10:06
○ 2026-04-15 22:40:00
●NSns4-01.azure-dns.info2026-04-03 → 2026-04-15 · 3 obs
○ 2017-05-31 06:38:54
● 2026-04-03 20:10:06
● 2026-04-15 22:40:00
○NSns57.1and1.com2015-06-15 → 2016-01-14 · 4 obs
● 2015-06-15 11:14:40
● 2016-01-14 07:29:08
○ 2016-04-11 15:46:28
○ 2026-04-15 22:40:00
○NSns58.1and1.com2015-06-15 → 2016-01-14 · 4 obs
● 2015-06-15 11:14:40
● 2016-01-14 07:29:08
○ 2016-04-11 15:46:28
○ 2026-04-15 22:40:00
●MXmail.firehousesolutions.com2016-04-11 → 2026-04-15 · 3 obs
○ 2016-01-14 07:29:08
● 2016-04-11 15:46:28
● 2026-04-15 22:40:00
○MXmx00.1and1.com2015-06-15 → 2016-01-14 · 4 obs
● 2015-06-15 11:14:40
● 2016-01-14 07:29:08
○ 2016-04-11 15:46:28
○ 2026-04-15 22:40:00
○MXmx01.1and1.com2015-06-15 → 2016-01-14 · 4 obs
● 2015-06-15 11:14:40
● 2016-01-14 07:29:08
○ 2016-04-11 15:46:28
○ 2026-04-15 22:40:00
●A20.51.216.1002026-04-03 → 2026-04-15 · 3 obs
○ 2017-05-31 06:38:54
● 2026-04-03 20:10:06
● 2026-04-15 22:40:00
○A74.208.28.1412015-06-15 → 2016-01-14 · 4 obs
● 2015-06-15 11:14:40
● 2016-01-14 07:29:08
○ 2016-04-11 15:46:28
○ 2026-04-15 22:40:00
○A76.12.100.1482016-04-11 → 2017-05-31 · 5 obs
○ 2016-01-14 07:29:08
● 2016-04-11 15:46:28
● 2017-05-31 06:38:54
○ 2026-04-03 20:10:06
○ 2026-04-15 22:40:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ctvfc21.orgns2-01.azure-dns.net, ns1-01.azure-dns.com, ns3-01.azure-dns.org, ns4-01.azure-dns.info2 records

✅ Authoritative Response

Server:150.171.21.1

NS records: ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctvfc21.org (unsigned zone)

⏱️ Timing

Total: 307ms | Queries: -

📄 Records

TypeCountSample Data
A120.51.216.100
NS4ns1-01.azure-dns.com, ns2-01.azure-dns.net...
MX1mail.firehousesolutions.com (pri: 0)
TXT1v=spf1 mx a:mail.firehousesolutions.com
SOA1ns1-01.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3-01.azure-dns.org, ns3-01.azure-dns.org)

Analysis

IP Addresses

ctvfc21.org resolves to a single IP: 20.51.216.100.

Other host names, for instance mkvac.org, pfvrs.org, countylinefire.com, crestwoodfire.com and chesterfirenj.org share IP numbers with ctvfc21.org.

Name Servers

ctvfc21.org is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

ctvfc21.org shares some name servers with other domains, for example basiceducation.it, crossmark.com, orbitaled.com, intellimouse.info and dse-gmbh.de.

These name servers are commonly used together with ns4-09.azure-dns.info and ns3-09.azure-dns.org.

Host names with two IP numbers

Two IPs per host:

ns1-01.azure-dns.com points to 2603:1061:0:700::1 and 13.107.236.1

ns4-01.azure-dns.info points to 2620:1ec:bda:700::1 and 208.84.5.1

ns2-01.azure-dns.net points to 2620:1ec:8ec:700::1 and 150.171.21.1

ns3-01.azure-dns.org points to 2a01:111:4000:700::1 and 204.14.183.1

Mail Servers

ctvfc21.org is handled by a single mail server, mail.firehousesolutions.com.

ctvfc21.org shares the mail server setup with other domains, for example gambervfd.org, fcvfra.com, rpfpd.org, skyview4.com and ccrolloff.com.

ctvfc21.org shares some mail servers with other domains, at least partially; for instance firstwestchester.org, swgfire.org, southoldfd.com, staffordfirerescue.com and kutztownfire32.com.

Host name mail.firehousesolutions.com points to IP 40.76.153.250.