`mail.firstclass.com`

DNSSEC	⚠️ Not signed
A	205.211.178.221^{🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer}
		PTR	`mail.firstclass.com`

`firstclass.com`

	DNSSEC	⚠️ Not signed
	A	205.211.178.221^{🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer}
	NS	`ns.softarc.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns.firstclass.com` ⚠️ Not in zone NS records
	NS	`proxy.firstclass.com`
	MX	`mxa-00102601.gslb.pphosted.com` ⭐
	MX	`mxb-00102601.gslb.pphosted.com` ⭐
	TXT	`MS=ms72633469`
	TXT	`v=spf1 ip4:205.211.178.221 ~all`
	SOA	`ns.softarc.com`postmaster@softarc.com serial=515

WOT: SAFE (66/100)
rank #726832 globally
rank #329106 in the tld
WOT: SAFE (88/100)

PTR for

221.178.211.205.in-addr.arpa

207.67.75.142.in-addr.arpa

Previously MX for

firstclass.com

Same first word

mail.community

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

mail.ee

mail.yokohama

mail.mu

mail.nflfan.org

mail.bayern

mail.leczna.pl

mail.dnsalias.com

mail.com.tr

mail.ai

mail.my.id

mail.org.ru

mail.re

mail.pl

mail.co.com

mail.perspecta.cloud

mail.ac.id

mail.nu

mail.barcelona

mail.codes

mail.ddns.net

mail.net.kg

mail.qualifioapp.com

mail.net.au

mail.energy

mail.mods.jp

mail.online

mail.ras.ru

mail.ls

mail.app

mail.co.kr

mail.rv.ua

mail.ox.rs

mail.idv.tw

mail.pt

mail.ke

mail.net.sa

mail.idf.il

mail.house

mail.mk

mail.club

mail.news

mail.daa.jp

mail.sd

mail.co.network

mail.co.id

mail.top

mail.health-carereform.com

mail.iki.fi

Similar names

mali.sk

mail.biz.ng

amil.one

mail.ir

almi.es

mila.ch

mail.net.ru

lami.me

mail.cz

mail.gov.ms

mail.so

mlai.net

lima.jp

imal.se

mail.ind.in

mail.noip.us

mail.hippy.jp

alim.ru

almi.be

mail.eating-organic.net

mail.ba.gov.br

mail.com

liam.sk

mail.inf.br

mail.4u.com

almi.dk

imal.no

mali.me

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

ilma.us

mail.pro.br

liam.org.my

lima.se

amil.it

imla.nl

mail.ne.jp

lima.life

mila.cz

mail.co.jp

amli.dev

mail.be

mail.com.vn

mail.how

aiml.in

mial.co

imal.ma

almi.org

aiml.com

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

mail.yahoo

mail.edu.ge

imal.nl

mail.ps

mail.edu.ee

liam.media

mail.gouv.ci

almi.by

mail.gi

mail.fr

mail.mil.id

mail.k12.vt.us

mail.photos

mail.omg.lol

alim.com

mail.ooo

ilma.edu.lk

mail.cloudaccess.net

mail.girly.jp

laim.cn

mail.ec

mail.blog

mail.potager.org

mail.v.ua

mail.copro.uk

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

ilam.us

mail.gov.rw

mail.gov.bs

mail.ca

amil.co.in

mail.je

ilma.dev

amil.in

mail.ks.ua

laim.com

mail.org.br

DNS History

3 records (1 active, 2 former)

○A142.75.67.2072020-01-19 → 2020-01-19 · 4 obs

○ 2017-01-08 18:58:50
● 2020-01-19 07:59:44
○ 2026-02-14 20:31:44
○ 2026-03-08 07:27:40

○A198.133.37.72015-08-04 → 2017-01-08 · 4 obs

● 2015-08-04 20:29:10
● 2017-01-08 18:58:50
○ 2020-01-19 07:59:44
○ 2026-03-08 07:27:40

●A205.211.178.2212026-02-14 → 2026-03-08 · 3 obs

○ 2020-01-19 07:59:44
● 2026-02-14 20:31:44
● 2026-03-08 07:27:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
firstclass.com	ns.firstclass.com, proxy.firstclass.com	2 records

✅ Authoritative Response

Server: 205.211.178.224

NS records: ns.firstclass.com, proxy.firstclass.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.com (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`205.211.178.221`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.firstclass.com, proxy.firstclass.com)

Analysis

IP Addresses

mail.firstclass.com resolves to a single IP address: 205.211.178.221.

Other host names such as mail.softarc.com, www.firstclass.com and firstclass.com share IP numbers with mail.firstclass.com.

mail.firstclass.com - robtex.com