a-1security.com - dns.ninja

a-1security.com

DNSSEC⚠️ Not signed
A75.2.103.146🇺🇸 Amazon75.2.96.0/20
PTRa4972715dfa2f21c3.awsglobalaccelerator.com
A99.83.188.150🇺🇸 Amazon99.83.176.0/20
NSns03.gcd-dns.com ⭐
A2603:5:21f0::33🇺🇸 GODADDY-DNS2603:5:21f0::/44
PTRpdns03.domaincontrol.com
A97.74.111.51🇺🇸 GODADDY-DNS97.74.110.0/23
PTRpdns03.domaincontrol.com
NSns04.gcd-dns.com
A2603:5:22f0::33🇺🇸 GODADDY-DNS2603:5:22f0::/44
PTRpdns04.domaincontrol.com
A173.201.79.51🇺🇸 GODADDY-DNS173.201.78.0/23
PTRpdns04.domaincontrol.com
MXusb-smtp-inbound-1.mimecast.com ⭐
A170.10.150.242🇺🇸 Mimecast-NA170.10.150.0/24 Mimecast NA
PTRusb-smtp-delivery-2.mimecast.com
MXusb-smtp-inbound-2.mimecast.com ⭐
A170.10.150.242🇺🇸 Mimecast-NA170.10.150.0/24 Mimecast NA
PTRusb-smtp-delivery-2.mimecast.com
TXT0ed1fe018ab8a31a74472e4a7eac137ad03f6a4d75
TXTMS=ms24720749
TXTv=spf1 include:spf.protection.outlook.com include:usb._netblocks.mimecast.com...
SOAns03.gcd-dns.comdns@jomax.net 2026-07-23 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786102544

Subdomains

autodiscover.a-1security.com

Same first word

a-1security.com

Similar names

a1-security.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns03.gcd-dns.comns04.gcd-dns.comns10.hostgator.comns8005.hostgator.comns9.hostgator.comMXusb-smtp-inbound-1.mimecast.comusb-smtp-inbound-2.mimecast.coma1security-com0c.mail.protection.outlook.commail.a-1security.commx1-us1.ppe-hosted.commx2-us1.ppe-hosted.comA75.2.103.14699.83.188.150192.185.22.171
●NSns03.gcd-dns.com2026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58
●NSns04.gcd-dns.com2026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58
○NSns10.hostgator.com2015-06-14 → 2018-09-15 · 4 obs
● 2015-06-14 23:27:04
● 2018-09-15 12:09:48
○ 2026-04-07 13:54:34
○ 2026-08-07 11:43:58
○NSns8005.hostgator.com2015-06-14 → 2018-09-15 · 4 obs
● 2015-06-14 23:27:04
● 2018-09-15 12:09:48
○ 2026-04-07 13:54:34
○ 2026-08-07 11:43:58
○NSns9.hostgator.com2015-06-14 → 2018-09-15 · 4 obs
● 2015-06-14 23:27:04
● 2018-09-15 12:09:48
○ 2026-04-07 13:54:34
○ 2026-08-07 11:43:58
○MXa1security-com0c.mail.protection.outlook.com2018-09-15 → 2018-09-15 · 4 obs
○ 2017-02-12 04:04:26
● 2018-09-15 12:09:48
○ 2026-04-07 13:54:34
○ 2026-08-07 11:43:58
○MXmail.a-1security.com2015-06-14 → 2016-01-20 · 4 obs
● 2015-06-14 23:27:04
● 2016-01-20 06:53:26
○ 2016-04-12 13:15:04
○ 2026-08-07 11:43:58
○MXmx1-us1.ppe-hosted.com2016-04-12 → 2017-02-12 · 5 obs
○ 2016-01-20 06:53:26
● 2016-04-12 13:15:04
● 2017-02-12 04:04:26
○ 2018-09-15 12:09:48
○ 2026-08-07 11:43:58
○MXmx2-us1.ppe-hosted.com2016-04-12 → 2017-02-12 · 5 obs
○ 2016-01-20 06:53:26
● 2016-04-12 13:15:04
● 2017-02-12 04:04:26
○ 2018-09-15 12:09:48
○ 2026-08-07 11:43:58
●MXusb-smtp-inbound-1.mimecast.com2026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58
●MXusb-smtp-inbound-2.mimecast.com2026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58
○A192.185.22.1712015-06-14 → 2018-09-15 · 4 obs
● 2015-06-14 23:27:04
● 2018-09-15 12:09:48
○ 2026-04-07 13:54:34
○ 2026-08-07 11:43:58
●A75.2.103.1462026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58
●A99.83.188.1502026-04-07 → 2026-08-07 · 3 obs
○ 2018-09-15 12:09:48
● 2026-04-07 13:54:34
● 2026-08-07 11:43:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
a-1security.comns04.gcd-dns.com, ns03.gcd-dns.com4 records

✅ Authoritative Response

Server:173.201.79.51

NS records: ns04.gcd-dns.com, ns03.gcd-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-1security.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

TypeCountSample Data
A275.2.103.146, 99.83.188.150
NS2ns03.gcd-dns.com, ns04.gcd-dns.com
MX2usb-smtp-inbound-2.mimecast.com (pri: 0), usb-smtp-inbound-1.mimecast.com (pri: 0)
TXT30ed1fe018ab8a31a74472e4a7eac137ad03f6a4d, MS=ms24720749...
SOA1ns03.gcd-dns.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns04.gcd-dns.com, ns04.gcd-dns.com, ns03.gcd-dns.com...)

Analysis

Hierarchy

autodiscover.a-1security.com is delegated beneath a-1security.com.

IP Addresses

a-1security.com points to the IP addresses 75.2.103.146 and 99.83.188.150

Two other host names, along with theladbible.guru, amazonslack.com and dgmacpherson.ceo, also share IP numbers with a-1security.com.

Name Servers

a-1security.com is delegated to two name servers: ns03.gcd-dns.com and ns04.gcd-dns.com.

a-1security.com shares its NS records with other domains, for example firecontrols.com, playboyenterprisesinc.com, tildrahcp.net and two others.

ns03.gcd-dns.com and ns04.gcd-dns.com each resolve to two IP addresses: ns03.gcd-dns.com points to 97.74.111.51 and 2603:5:21f0::33, while ns04.gcd-dns.com points to 173.201.79.51 and 2603:5:22f0::33.

Mail Servers

a-1security.com is served by two mail servers, usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com.

Among the domains sharing a mail server setup with a-1security.com are connection.com, basco.com, frauenshuh.com and two others.

There is at least a partial MX overlap between a-1security.com and other domains, including napcusa.com, carlson-airflo.com, fremontcountywy.org and two others.

usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com both resolve to the same single IP address: 170.10.150.242.

usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com are host names that each point to 170.10.150.242 IP addresses.