`mail.firstdev.net`

DNSSEC	⚠️ Not signed
A	104.247.81.99^{🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension}
NS	`ns1.parkingcrew.net` ⭐ ⚠️ Not in parent delegation
		A	13.248.158.159^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
NS	`ns2.parkingcrew.net` ⚠️ Not in parent delegation
		A	76.223.21.9^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
MX	`mail.h-email.net` ⭐
		A	5.75.171.74^{🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	5.161.98.212^{🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24}
			PTR	`mail.h-email.net`
		A	5.161.194.135^{🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24}
			PTR	`static.135.194.161.5.clients.your-server.de`
		A	49.13.4.90^{🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC}
			PTR	`static.90.4.13.49.clients.your-server.de`
		A	91.107.214.206^{🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC}
			PTR	`static.206.214.107.91.clients.your-server.de`
		A	162.55.164.116^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`static.116.164.55.162.clients.your-server.de`
		A	165.227.156.49^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail3.h-email.net`
		A	165.227.159.144^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail2.h-email.net`
		A	167.235.143.33^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	178.62.199.248^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`mail.h-email.net`
TXT	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	`ns1.parkingcrew.net`hostmaster@mail.firstdev.net serial=1785837409

`firstdev.net`

	DNSSEC	⚠️ Not signed
	A	104.247.81.99^{🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension}
	NS	`ns1.parkingcrew.net` ⭐
	NS	`ns2.parkingcrew.net`
	MX	`mail.h-email.net` ⭐
	TXT	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
	SOA	`ns1.parkingcrew.net`hostmaster@firstdev.net serial=1785837409

WOT: SAFE (61/100)
⚠️ On DNS blocklist: tif
WOT: SAFE (64/100)

Previously MX for

firstdev.net

Same first word

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

mail.ne.kr

mail.support

mail.de

mail.hacca.jp

mail.moo.jp

mail.new

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mail.pro

mail.pupu.jp

mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

mail.wedding

mail.za.bz

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.ki

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

mail.edu.pl

mail.cfolks.pl

mail.cm

mail.go.th

mail.mil.cn

mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

mail.ac

mail.fund

mail.edu.bi

mail.uk.com

mail.mysecuritycamera.net

mail.glass

mail.mil.kg

mail.dog

mail.ddns.me

mail.gov.bh

mail.tours

mail.no-ip.info

mail.na

mail.hn

mail.srl

mail.org.nz

mail.chicappa.jp

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

mail.egoism.jp

mail.jpn.org

mail.run

mail.edu.rs

mail.lt

mail.vn

mail.sl

mail.gov.mu

mail.gov.in

mail.pk

mail.uz

mail.clinic

mail.bm

mail.com.pk

mail.hl.cn

mail.nhs.uk

mail.hotmail

mail.gov.om

mail.ng

mail.canon

mail.net.hk

mail.caa.li

mail.as

mail.ir

mail.net.ru

mail.cz

mail.gov.ms

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mila.si

mail.wtf

mail.webhop.me

mali.cz

mail.associates

mail.al

mail.myfast.space

almi.se

mila.dog

mail.vip

alim.cn

iaml.info

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mail.red

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imal.org

mail.pf

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liam.ro

mail.uy

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mail.com.ly

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aiml.events

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mail.su

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mail.toshiba

mail.hosting

almi.kz

mial.org.au

mail.net.tr

mail.fm

imla.ir

mail.mil

lami.de

liam.hu

mail.f5.si

mail.party

mali.ws

mail.tax

ilma.cz

mail.coop

ilam.org

mail.directory

mail.freemyip.com

mail.com.tw

mail.hk.com

mail.mh

mail.gov.mw

amil.network

mlia.de

alim.it

ialm.org

mail.gov.bn

mail.mmafan.biz

mail.ky

liam.com.au

mail.synology-diskstation.de

mail.schoolbus.jp

lima.myds.me

lima.cn

alim.sk

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lami.com.mx

lima.capital

mail.uz.ua

mali.ro

lami.co

lima.org.za

mail.cool

iaml.net

mail.uk

mail.ru.com

mail.littlestar.jp

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ialm.net

mila.by

lami.glass

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amil.site

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aiml.cc

mila.gallery

mail.ac.gov.br

DNS History

5 records (4 active, 1 former)

●NSns1.parkingcrew.net2026-07-22 → 2026-08-08 · 2 obs

● 2026-07-22 00:09:48
● 2026-08-08 11:48:44

●NSns2.parkingcrew.net2026-07-22 → 2026-08-08 · 2 obs

● 2026-07-22 00:09:48
● 2026-08-08 11:48:44

●MXmail.h-email.net2026-07-22 → 2026-08-08 · 2 obs

● 2026-07-22 00:09:48
● 2026-08-08 11:48:44

●A104.247.81.992026-07-22 → 2026-08-08 · 3 obs

○ 2016-06-30 16:49:56
● 2026-07-22 00:09:48
● 2026-08-08 11:48:44

○A178.79.166.1632015-07-10 → 2016-06-30 · 4 obs

● 2015-07-10 04:42:16
● 2016-06-30 16:49:56
○ 2026-07-22 00:09:48
○ 2026-08-08 11:48:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
firstdev.net	ns1.parkingcrew.net, ns2.parkingcrew.net	4 records

✅ Authoritative Response

Server:76.223.21.9

NS records: ns1.parkingcrew.net, ns2.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstdev.net (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.247.81.99`
NS	2	`ns1.parkingcrew.net, ns2.parkingcrew.net`
MX	1	`mail.h-email.net (pri: 5)`
TXT	1	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	1	`ns1.parkingcrew.net hostmaster.mail.firs`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.parkingcrew.net, ns1.parkingcrew.net, ns2.parkingcrew.net...)

Analysis

IP Addresses

mail.firstdev.net has exactly one IP address — 104.247.81.99.

hoks.de, h37222131.baiamare.ipn.ro, wenping.net plus two other host names have IP numbers in common with mail.firstdev.net.

Name Servers

Two name servers handle the delegation for mail.firstdev.net: ns1.parkingcrew.net and ns2.parkingcrew.net.

The name server configuration of mail.firstdev.net is shared with other domains, for instance www.swwd.com, reverse.olandrasso.weblog.ro, dmn.org and two others.

mail.firstdev.net has at least partial name server overlap with other domains, such as 105.43.static-delhi.tcl.net.in, 105.169.static-delhi.tcl.net.in, apexautomobiles.com and two others.

ns1.parkingcrew.net directs to 13.248.158.159 and ns2.parkingcrew.net directs to 76.223.21.9; each host name points to exactly one IP number.

Mail Servers

mail.firstdev.net uses one mail server — mail.h-email.net.

The mail server setup of mail.firstdev.net matches that of other domains such as leotardsandmore.com, tvg.hdfree.in, ibmp.com and two others.

The mail servers of mail.firstdev.net are at least partially shared with other domains, including cityswing.com.

mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus 7 more.

mail.firstdev.net - dns.ninja