`mail.gcosoftware.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1f33^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:aefc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.51^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.252^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.51, 172.67.174.252
		IPv6 hints	2606:4700:3030::6815:1f33, 2606:4700:3035::ac43:aefc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com

`gcosoftware.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1f33^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:aefc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.51^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.252^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`serena.ns.cloudflare.com` ⭐
NS	`weston.ns.cloudflare.com`
MX	`_dc-mx.90f82c6331c2.gcosoftware.com` ⭐
MX	`_dc-mx.0961ea40488e.gcosoftware.com`⁽¹⁰⁾
TXT	`google-site-verification=6fbaep3bcvVHmbu_TdJwM-iLIwDSQKT4_N9FXZ7xixk`
TXT	`v=spf1 a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.51, 172.67.174.252
		IPv6 hints	2606:4700:3030::6815:1f33, 2606:4700:3035::ac43:aefc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOA	`serena.ns.cloudflare.com`dns@cloudflare.com serial=2410487155

WOT: SAFE (34/100)
WOT: SAFE (1/100)

MX for

stonersloth.com

Previously MX for

mail.gcosoftware.com

gcosoftware.com

esotericinvestments.com

Same first word

mail.girly.jp

mail.ec

mail.blog

mail.potager.org

mail.v.ua

mail.copro.uk

mail.or.id

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

mail.gov.rw

mail.gov.bs

mail.ca

mail.je

mail.ks.ua

mail.org.br

mail.dj

mail.technology

mail.edu.ru

mail.edu.az

mail.global

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

mail.gd

mail.ms.gov.br

mail.csx.cc

mail.basicserver.io

mail.coupons

mail.js.org

mail.ch

mail.partners

mail.mt

mail.golffan.us

mail.sky

mail.town

mail.sh

mail.nom.za

mail.com.br

mail.com.ph

mail.co.ua

mail.com.ng

mail.bike

mail.gr

mail.golf

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.insure

mail.tech

mail.rakkestad.no

mail.gov.bm

mail.com.py

mail.guru

mail.bing

mail.lv

mail.babyblue.jp

mail.in-berlin.de

mail.no-ip.biz

mail.host

mail.net.ar

mail.management

mail.qld.gov.au

mail.pm

mail.wf

mail.ltd

mail.com.pe

mail.marketing

mail.velvet.jp

mail.fage

mail.coach

mail.abbott

mail.weir

mail.wroclaw.pl

mail.et

mail.za.net

mail.bz

mail.fakefur.jp

mail.sb

mail.ht

mail.ax

mail.spdns.eu

mail.collegefan.org

mail.com.cn

mail.cab

mail.vn.ua

mail.lat

mail.mg.gov.br

mail.kiev.ua

mail.mydns.tw

mail.report

mail.fail

Similar names

mail.awsapps.com

mail.biz

mail.gov.lv

aiml.foundation

mail.jetzt

imla.or.id

mail.kh.ua

mail.ru

mail.myeffect.net

lmia.lt

mail.myshopify.com

mail.123hjemmeside.dk

liam.at

mail.gov.ps

mail.ml

mail.fo

mali.it

mail.expert

liam.wtf

mail.mil.tm

mail.team

amli.com

lima.la

mail.com.ru

mail.tn

imal.info

mail.serveftp.com

mail.by

mail.peewee.jp

mial.eu

lima.cc

mail.virtualuser.de

mail.charity

lima.uk.com

mail.exchange

aiml.online

almi.design

mail.live

imal.co.uk

lima.ir

lima.nl

mlia.net

mail.lk3.ru

amil.sucks

mail.capital

mila.pro

mail.ap.gov.br

iaml.at

alim.fr

mila.edu.my

mail.dp.ua

mail.myjino.ru

mlai.in

lima.cloud

iaml.ru

mail.space

mail.net.ph

mail.rr.gov.br

almi.or.id

mial.it

mail.read-books.org

lima.com.my

liam.ru

amil.business

mail.ilovecollege.info

lima.vn

mila.ie

mail.gmx

mail.info.pl

amli.cn

mail.community

mail.cleaning

liam.cn

alim.cl

mail.bh

lami.es

amil.no

mail.site

mail.select

mail.email

mail.blue

mail.st

mail.tools

liam.works

ailm.net

mail.sy

mail.li

mail.rw

mail.vision

mlia.com

ilma.ru

mail.sk

mail.at

mail.surf

liam.red

lami.com.cn

almi.su

lima.zone

mila.international

mail.gov.ge

DNS History

16 records (4 active, 12 former)

○NSns19.domaincontrol.com2015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 19:29:34
○ 2016-01-15 06:49:06
○ 2026-08-11 01:15:46

○NSns20.domaincontrol.com2015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 19:29:34
○ 2016-01-15 06:49:06
○ 2026-08-11 01:15:46

○MXmail.gcosoftware.com2015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 19:29:34
○ 2016-01-15 06:49:06
○ 2026-08-11 01:15:46

○MXmx.gcosoftware.com2015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 19:29:34
○ 2016-01-15 06:49:06
○ 2026-08-11 01:15:46

●A104.21.31.512026-02-23 → 2026-08-11 · 3 obs

○ 2017-01-06 05:05:02
● 2026-02-23 19:42:00
● 2026-08-11 01:15:46

○A104.243.33.2462016-04-10 → 2017-01-06 · 5 obs

○ 2016-01-15 06:49:06
● 2016-04-10 18:04:00
● 2017-01-06 05:05:02
○ 2026-02-23 19:42:00
○ 2026-08-11 01:15:46

○A162.248.6.262015-02-24 → 2015-02-24 · 3 obs

● 2015-02-24 02:49:06
○ 2015-10-22 19:29:34
○ 2026-08-11 01:15:46

●A172.67.174.2522026-02-23 → 2026-08-11 · 3 obs

○ 2017-01-06 05:05:02
● 2026-02-23 19:42:00
● 2026-08-11 01:15:46

○A192.99.111.2242015-10-22 → 2016-01-15 · 5 obs

○ 2015-02-24 02:49:06
● 2015-10-22 19:29:34
● 2016-01-15 06:49:06
○ 2016-04-10 18:04:00
○ 2026-08-11 01:15:46

●A2606:4700:3030::6815:1f332026-07-08 → 2026-08-11 · 3 obs

○ 2026-02-23 19:42:00
● 2026-07-08 08:51:46
● 2026-08-11 01:15:46

○A2606:4700:3032::ac43:aefc2026-02-23 → 2026-02-23 · 4 obs

○ 2017-01-06 05:05:02
● 2026-02-23 19:42:00
○ 2026-07-08 08:51:46
○ 2026-08-11 01:15:46

○A2606:4700:3035::6815:1f332026-02-23 → 2026-02-23 · 4 obs

○ 2017-01-06 05:05:02
● 2026-02-23 19:42:00
○ 2026-07-08 08:51:46
○ 2026-08-11 01:15:46

●A2606:4700:3035::ac43:aefc2026-07-08 → 2026-08-11 · 3 obs

○ 2026-02-23 19:42:00
● 2026-07-08 08:51:46
● 2026-08-11 01:15:46

○A2607:5300:60:5112:0:1:4a10:de4a2016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-22 19:29:34
● 2016-01-15 06:49:06
○ 2016-04-10 18:04:00
○ 2026-08-11 01:15:46

○A2607:5300:60:5112:0:1:949a:69372016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-22 19:29:34
● 2016-01-15 06:49:06
○ 2016-04-10 18:04:00
○ 2026-08-11 01:15:46

○CNAMEgcosoftware.com2015-10-22 → 2015-10-22 · 3 obs

● 2015-10-22 19:29:34
○ 2016-01-15 06:49:06
○ 2026-08-11 01:15:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
gcosoftware.com	serena.ns.cloudflare.com, weston.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.220

NS records: serena.ns.cloudflare.com, weston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcosoftware.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.252, 104.21.31.51`
AAAA	2	`2606:4700:3035::ac43:aefc, 2606:4700:3030::6815:1f33`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (serena.ns.cloudflare.com, serena.ns.cloudflare.com, serena.ns.cloudflare.com...)

Analysis

Mail Server Role

stonersloth.com uses mail.gcosoftware.com as a mail server.

IP Addresses

mail.gcosoftware.com directs to four IP numbers, which are 104.21.31.51, 172.67.174.252, 2606:4700:3030::6815:1f33 and 2606:4700:3035::ac43:aefc.

alo388.live, johnatkinsgrading.com, dynamicticketsolutions.com and two other host names share IP numbers with mail.gcosoftware.com.

mail.gcosoftware.com - robtex.com