firstcall.us - robtex.com

firstcall.us

DNSSEC⚠️ Not signed
A13.248.243.5🇺🇸 Amazon13.248.240.0/20
PTRa16e665f42988324c.awsglobalaccelerator.com
A76.223.105.230🇺🇸 Amazon76.223.96.0/20
NSns09.domaincontrol.com ⭐
A2603:5:2180::5🇺🇸 GODADDY-DNS2603:5:2180::/44
PTRns09.domaincontrol.com
A97.74.104.5🇺🇸 GODADDY-DNS97.74.104.0/23
PTRns09.domaincontrol.com
NSns10.domaincontrol.com
A2603:5:2280::5🇺🇸 GODADDY-DNS2603:5:2280::/44
PTRns10.domaincontrol.com
A173.201.72.5🇺🇸 GODADDY-DNS173.201.72.0/23
PTRns10.domaincontrol.com
MXfirstcall-us.mail.protection.outlook.com ⭐
A2a01:111:f403:c903::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00503.inbound.protection.outlook.com
A2a01:111:f403:c936::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy1pr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f909::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f90f::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sa9pr04cu00201.inbound.protection.outlook.com
A52.101.10.1🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn6pr02cu00301.inbound.protection.outlook.com
A52.101.41.3🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00103.inbound.protection.outlook.com
A52.101.41.22🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00406.inbound.protection.outlook.com
A52.101.194.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch4pr04cu00104.inbound.protection.outlook.com
TXTMS=ms98415300
TXTv=spf1 include:secureserver.net -all
SOAns09.domaincontrol.comdns@jomax.net 2025-05-10 #0

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1774930920

Previously MX for

firstcall.us

Same first word

firstcall.cloud
firstcall.com
firstcall.no
firstcall.com.au
firstcall.care
firstcall.co.nz
firstcall.it
firstcall.mobi
firstcall.co
firstcall.jp
firstcall.team
firstcall.md
firstcall.solutions
firstcall.co.gg
firstcall.me
firstcall.org
firstcall.ro
firstcall.co.uk
firstcall.ca
firstcall.law
firstcall.net
firstcall.co.il
firstcall.co.in
firstcall.services
firstcall.eu.com
firstcall.gr
firstcall.in
firstcall.uk.net
firstcall.info
firstcall.marketing
firstcall.gg
firstcall.us

Similar names

callfirst.net
tifarsllc.com
callfirst.ca
lcftrails.org
callfirst.com.br
callfirst.com
rifastllc.com

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSns09.domaincontrol.comns10.domaincontrol.comdns17.parkpage.foundationapi.comdns18.parkpage.foundationapi.comfirstcall.earth.orderbox-dns.comfirstcall.mars.orderbox-dns.comfirstcall.mercury.orderbox-dns.comfirstcall.venus.orderbox-dns.comns33.superdomainzone.comns34.superdomainzone.comMXfirstcall-us.mail.protection.outlook.comfirstcall.usA13.248.243.576.223.105.230184.154.21.178209.99.40.226
○NSdns17.parkpage.foundationapi.com2016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-08 09:06:52
● 2016-06-28 03:52:32
○ 2019-03-25 12:34:08
○ 2026-03-31 04:48:46
○NSdns18.parkpage.foundationapi.com2016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-08 09:06:52
● 2016-06-28 03:52:32
○ 2019-03-25 12:34:08
○ 2026-03-31 04:48:46
○NSfirstcall.earth.orderbox-dns.com2019-03-25 → 2019-03-25 · 4 obs
○ 2016-06-28 03:52:32
● 2019-03-25 12:34:08
○ 2026-03-26 21:09:50
○ 2026-03-31 04:48:46
○NSfirstcall.mars.orderbox-dns.com2019-03-25 → 2019-03-25 · 4 obs
○ 2016-06-28 03:52:32
● 2019-03-25 12:34:08
○ 2026-03-26 21:09:50
○ 2026-03-31 04:48:46
○NSfirstcall.mercury.orderbox-dns.com2019-03-25 → 2019-03-25 · 4 obs
○ 2016-06-28 03:52:32
● 2019-03-25 12:34:08
○ 2026-03-26 21:09:50
○ 2026-03-31 04:48:46
○NSfirstcall.venus.orderbox-dns.com2019-03-25 → 2019-03-25 · 4 obs
○ 2016-06-28 03:52:32
● 2019-03-25 12:34:08
○ 2026-03-26 21:09:50
○ 2026-03-31 04:48:46
●NSns09.domaincontrol.com2026-03-26 → 2026-03-31 · 3 obs
○ 2019-03-25 12:34:08
● 2026-03-26 21:09:50
● 2026-03-31 04:48:46
●NSns10.domaincontrol.com2026-03-26 → 2026-03-31 · 3 obs
○ 2019-03-25 12:34:08
● 2026-03-26 21:09:50
● 2026-03-31 04:48:46
○NSns33.superdomainzone.com2015-08-07 → 2016-03-08 · 4 obs
● 2015-08-07 21:50:40
● 2016-03-08 09:06:52
○ 2016-06-28 03:52:32
○ 2026-03-31 04:48:46
○NSns34.superdomainzone.com2015-08-07 → 2016-03-08 · 4 obs
● 2015-08-07 21:50:40
● 2016-03-08 09:06:52
○ 2016-06-28 03:52:32
○ 2026-03-31 04:48:46
●MXfirstcall-us.mail.protection.outlook.com2026-03-26 → 2026-03-31 · 3 obs
○ 2016-06-28 03:52:32
● 2026-03-26 21:09:50
● 2026-03-31 04:48:46
○MXfirstcall.us2015-08-07 → 2016-03-08 · 4 obs
● 2015-08-07 21:50:40
● 2016-03-08 09:06:52
○ 2016-06-28 03:52:32
○ 2026-03-31 04:48:46
●A13.248.243.52026-03-26 → 2026-03-31 · 3 obs
○ 2019-03-25 12:34:08
● 2026-03-26 21:09:50
● 2026-03-31 04:48:46
○A184.154.21.1782015-08-07 → 2016-03-08 · 4 obs
● 2015-08-07 21:50:40
● 2016-03-08 09:06:52
○ 2016-06-28 03:52:32
○ 2026-03-31 04:48:46
○A209.99.40.2262016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-08 09:06:52
● 2016-06-28 03:52:32
○ 2019-03-25 12:34:08
○ 2026-03-31 04:48:46
●A76.223.105.2302026-03-26 → 2026-03-31 · 3 obs
○ 2019-03-25 12:34:08
● 2026-03-26 21:09:50
● 2026-03-31 04:48:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usy.cctld.us, k.cctld.us, b.cctld.us, f.cctld.us...-
firstcall.usns09.domaincontrol.com, ns10.domaincontrol.com-

✅ Authoritative Response

Server:173.201.72.5

NS records: ns09.domaincontrol.com, ns10.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstcall.us (unsigned zone)

⏱️ Timing

Total: 119ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.105.230, 13.248.243.5
NS2ns09.domaincontrol.com, ns10.domaincontrol.com
MX1firstcall-us.mail.protection.outlook.com
TXT2MS=ms98415300, v=spf1 include:secureserver.net -all
SOA1ns09.domaincontrol.com dns.jomax.net

Analysis

IP Addresses

firstcall.us points to two IP numbers: 13.248.243.5 and 76.223.105.230.

Other host names such as gitrdumped.com, englishsikho.in, aswaq.tv, greenletrecycler.com and core-india.com share IP numbers with firstcall.us.

Name Servers

firstcall.us is delegated to two name servers: ns09.domaincontrol.com and ns10.domaincontrol.com.

firstcall.us uses the same name server setup as other domains, including axse.com, station-digital.com, successtogether.co, sohinishah.com and firearmsbroker.com.

firstcall.us shares some name servers with other domains, for example j-pacmedical.com.

Host names with two IP numbers:

ns09.domaincontrol.com points to 2603:5:2180::5 and 97.74.104.5.

ns10.domaincontrol.com points to 2603:5:2280::5 and 173.201.72.5.

Mail Servers

The mail server for firstcall.us is firstcall-us.mail.protection.outlook.com.

firstcall-us.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c903::3, 2a01:111:f403:c936::, 2a01:111:f403:f909::, 2a01:111:f403:f90f::1, 52.101.10.1, 52.101.41.3, 52.101.41.22 and 52.101.194.4.