fellfirm.com - robtex.com

fellfirm.com

DNSSEC⚠️ Not signed
A160.153.0.40πŸ‡ΊπŸ‡Έ CLOUDFLARESPECTRUM160.153.0.0/24 MWP
PTR40.0.153.160.host.secureserver.net
NSns51.domaincontrol.com ⭐
A2603:5:2192::1aπŸ‡ΊπŸ‡Έ GODADDY-DNS2603:5:2190::/44
PTRns51.domaincontrol.com
A97.74.105.26πŸ‡ΊπŸ‡Έ GODADDY-DNS97.74.104.0/23
PTRns51.domaincontrol.com
NSns52.domaincontrol.com
A2603:5:2292::1aπŸ‡ΊπŸ‡Έ GODADDY-DNS2603:5:2290::/44
PTRns52.domaincontrol.com
A173.201.73.26πŸ‡ΊπŸ‡Έ GODADDY-DNS173.201.72.0/23
PTRns52.domaincontrol.com
MXfellfirm-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c91d::aπŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:c931::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sa9pr03cu00201.inbound.protection.outlook.com
A2a01:111:f403:c946::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ch5pr02cu00200.inbound.protection.outlook.com
A2a01:111:f403:f902::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bl2pr02cu00101.inbound.protection.outlook.com
A52.101.11.2πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr03cu00102.inbound.protection.outlook.com
A52.101.11.17πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00301.inbound.protection.outlook.com
A52.101.40.6πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr03cu00106.inbound.protection.outlook.com
A52.101.41.22πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00406.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns51.domaincontrol.comdns@jomax.net 2026-01-30 #0

com

Same first word

DNS History

5 records (4 active, 1 former)

2020202120222023202420252026NSns51.domaincontrol.comns52.domaincontrol.comMXfellfirm-com.mail.protection.outlook.comA160.153.0.4050.63.202.44
●NSns51.domaincontrol.com2019-12-17 β†’ 2026-03-28 Β· 2 obs
● 2019-12-17 10:41:40
● 2026-03-28 14:15:26
●NSns52.domaincontrol.com2019-12-17 β†’ 2026-03-28 Β· 2 obs
● 2019-12-17 10:41:40
● 2026-03-28 14:15:26
●MXfellfirm-com.mail.protection.outlook.com2019-12-17 β†’ 2026-03-28 Β· 2 obs
● 2019-12-17 10:41:40
● 2026-03-28 14:15:26
●A160.153.0.402026-03-27 β†’ 2026-03-28 Β· 3 obs
β—‹ 2019-12-17 10:41:40
● 2026-03-27 05:25:42
● 2026-03-28 14:15:26
β—‹A50.63.202.442019-12-17 β†’ 2019-12-17 Β· 3 obs
● 2019-12-17 10:41:40
β—‹ 2026-03-27 05:25:42
β—‹ 2026-03-28 14:15:26

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
fellfirm.comns51.domaincontrol.com, ns52.domaincontrol.com4 records

βœ… Authoritative Response

Server:173.201.73.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fellfirm.com (unsigned zone)

⏱️ Timing

Total: 355ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1160.153.0.40
NS2ns51.domaincontrol.com, ns52.domaincontrol.com
MX1fellfirm-com.mail.protection.outlook.com
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns51.domaincontrol.com dns.jomax.net

πŸ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

IP Addresses

fellfirm.com points to a single IP address: 160.153.0.40.

Other host names such as digitalthinker.com, wnyboating.com, debonairdesign.com, swimmingkidslv.com and imap.townsendbuildingsupply.com share IP numbers with fellfirm.com.

Name Servers

fellfirm.com is delegated to two name servers: ns51.domaincontrol.com and ns52.domaincontrol.com.

fellfirm.com uses the same name server setup as other domains, including talk-hvac.com, baylismediaarchive.co.uk, hannahlaw.com, lunas.mobi and snacknirvana.com.

fellfirm.com shares some name servers with other domains, for example sofosh.org.

Host names with two IP numbers:

ns51.domaincontrol.com points to 2603:5:2192::1a and 97.74.105.26.

ns52.domaincontrol.com points to 2603:5:2292::1a and 173.201.73.26.

Mail Servers

The mail server for fellfirm.com is fellfirm-com.mail.protection.outlook.com.

fellfirm-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::a, 2a01:111:f403:c931::1, 2a01:111:f403:c946::, 2a01:111:f403:f902::1, 52.101.11.2, 52.101.11.17, 52.101.40.6 and 52.101.41.22.