firefoxsecurity.com - robtex.com

firefoxsecurity.com

DNSSEC⚠️ Not signed
A50.17.101.1πŸ‡ΊπŸ‡Έ Amazon50.17.0.0/16 IAD prefix
PTRmail.icomco.com
NSdns1.icomco.com ⭐
A50.17.101.1πŸ‡ΊπŸ‡Έ Amazon50.17.0.0/16 IAD prefix
PTRmail.icomco.com
NSdns2.icomco.com
A54.87.119.66πŸ‡ΊπŸ‡Έ Amazon54.87.0.0/16 EC2 IAD prefix
PTRmail2.icomco.com
NSns1.icomco.com ⚠️ Not in parent delegation
A50.17.101.1πŸ‡ΊπŸ‡Έ Amazon50.17.0.0/16 IAD prefix
PTRmail.icomco.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A142.250.101.26πŸ‡ΊπŸ‡Έ Google142.250.101.0/24
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27πŸ‡ΊπŸ‡Έ Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.26πŸ‡ΊπŸ‡Έ Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1aπŸ‡§πŸ‡ͺ Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27πŸ‡ΊπŸ‡Έ Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=z7vmE_TPqDEmeFFnyMa7LaE9qy6h0XfEGlJ6XYfc7Q4
SOAdns1.icomco.comabuse@icomco@com 2018-11-10 #18

com

Subdomains

Same first word

DNS History

17 records (9 active, 8 former)

200920112013201520172019202120232025NSdns1.icomco.comdns2.icomco.comns1.icomco.comdns3.icomco.comns1.dnsjunction.comns2.dnsjunction.comserver20.icomco.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comismtp.globat.everyone.netmail.firefoxsecurity.comA50.17.101.1203.22.204.18974.86.8.124
●NSdns1.icomco.com2015-06-24 β†’ 2026-03-30 Β· 3 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2026-03-30 12:38:58
●NSdns2.icomco.com2015-06-24 β†’ 2026-03-30 Β· 3 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2026-03-30 12:38:58
β—‹NSdns3.icomco.com2015-06-24 β†’ 2017-01-21 Β· 5 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2017-01-21 08:34:32
β—‹ 2020-04-09 13:35:42
β—‹ 2026-03-30 12:38:58
β—‹NSns1.dnsjunction.com2008-03-14 β†’ 2008-03-14 Β· 3 obs
● 2008-03-14 14:40:48
β—‹ 2015-06-24 10:54:58
β—‹ 2026-03-30 12:38:58
●NSns1.icomco.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
β—‹NSns2.dnsjunction.com2008-03-14 β†’ 2008-03-14 Β· 3 obs
● 2008-03-14 14:40:48
β—‹ 2015-06-24 10:54:58
β—‹ 2026-03-30 12:38:58
β—‹NSserver20.icomco.com2015-06-24 β†’ 2017-01-21 Β· 5 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2017-01-21 08:34:32
β—‹ 2020-04-09 13:35:42
β—‹ 2026-03-30 12:38:58
●MXalt1.aspmx.l.google.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
●MXalt2.aspmx.l.google.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
●MXalt3.aspmx.l.google.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
●MXalt4.aspmx.l.google.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
●MXaspmx.l.google.com2020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
β—‹MXismtp.globat.everyone.net2008-03-14 β†’ 2008-03-14 Β· 3 obs
● 2008-03-14 14:40:48
β—‹ 2015-06-24 10:54:58
β—‹ 2026-03-30 12:38:58
β—‹MXmail.firefoxsecurity.com2015-06-24 β†’ 2017-01-21 Β· 5 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2017-01-21 08:34:32
β—‹ 2020-04-09 13:35:42
β—‹ 2026-03-30 12:38:58
β—‹A203.22.204.1892008-03-14 β†’ 2008-03-14 Β· 3 obs
● 2008-03-14 14:40:48
β—‹ 2015-06-24 10:54:58
β—‹ 2026-03-30 12:38:58
●A50.17.101.12020-04-09 β†’ 2026-03-30 Β· 3 obs
β—‹ 2017-01-21 08:34:32
● 2020-04-09 13:35:42
● 2026-03-30 12:38:58
β—‹A74.86.8.1242015-06-24 β†’ 2017-01-21 Β· 5 obs
β—‹ 2008-03-14 14:40:48
● 2015-06-24 10:54:58
● 2017-01-21 08:34:32
β—‹ 2020-04-09 13:35:42
β—‹ 2026-03-30 12:38:58

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...-
firefoxsecurity.comdns1.icomco.com, dns2.icomco.com2 records

βœ… Authoritative Response

Server:54.87.119.66

NS records: dns1.icomco.com, dns2.icomco.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firefoxsecurity.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A150.17.101.1
NS3ns1.icomco.com, dns2.icomco.com...
MX5ASPMX.L.GOOGLE.com (pri: 2), ALT4.ASPMX.L.GOOGLE.com (pri: 10)...
TXT1google-site-verification=z7vmE_TPqDEmeFF
SOA1dns1.icomco.com abuse@icomco.com

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.icomco.com, dns2.icomco.com)

Analysis

Hierarchy

firefoxsecurity.com is a parent of hostmaster.firefoxsecurity.com and mail2.firefoxsecurity.com.

IP Addresses

firefoxsecurity.com maps to IP address 50.17.101.1.

Other host names, for instance www.corylaub.com, www.icomco.com, healtheearthusa.com, webmail.arthritis.im and mail2.corylaub.com share IP numbers with firefoxsecurity.com.

Name Servers

firefoxsecurity.com is delegated to name servers dns1.icomco.com, dns2.icomco.com and ns1.icomco.com.

firefoxsecurity.com at least partially shares name servers with other domains such as aldabra-direct.com, rwlife.com, arthritis-usa.org, arthritis-usa.net and aldabratortoises.com.

Host names with a single IP

dns1.icomco.com points to 50.17.101.1.

dns2.icomco.com points to 54.87.119.66.

ns1.icomco.com points to 50.17.101.1.

Names pointing to 50.17.101.1: dns1.icomco.com and ns1.icomco.com.

Mail Servers

firefoxsecurity.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

firefoxsecurity.com shares mail servers with other domains at least in part, for instance ns500698.ns500759.ns500698.ns500758.ns500758.ns500735.ns500698.ns500735.ns500736.ns500735.ns500576.ns500576.ns500619.trackreceptor.com, ns500768.ns500698.ns500758.ns500759.ns500735.ns500736.ns500735.ns500735.ns500736.ns500698.ns500736.ns500708.ns500708.ns500619.ns500576.ns500576.trackreceptor.com, ns500759.ns500759.ns500758.ns500758.ns500736.ns500698.ns500735.ns500698.ns500698.ns500735.ns500735.ns500698.ns500708.ns500708.ns500619.ns500576.trackreceptor.com, ns500758.ns500698.ns500758.ns500698.ns500698.ns500736.ns500735.ns500736.ns500736.ns500576.ns500576.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com and wavertreechristianfellowship.com.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4023:c06::1b and 142.250.101.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.27

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)