`mail.isc.cloud`

CNAME	`mailgun.org`
DNSSEC	⚠️ Not signed
A	34.102.239.211^{🇺🇸 Google34.100.0.0/14}
		PTR	`211.239.102.34.bc.googleusercontent.com`
NS	`ns-586.awsdns-09.net` ⭐
		A	2600:9000:5302:4a00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-586.awsdns-09.net`
		A	205.251.194.74^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-586.awsdns-09.net`
NS	`ns-133.awsdns-16.com`
		A	2600:9000:5300:8500::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-133.awsdns-16.com`
		A	205.251.192.133^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-133.awsdns-16.com`
NS	`ns-1482.awsdns-57.org`
		A	2600:9000:5305:ca00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1482.awsdns-57.org`
		A	205.251.197.202^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1482.awsdns-57.org`
NS	`ns-1614.awsdns-09.co.uk`
		A	2600:9000:5306:4e00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1614.awsdns-09.co.uk`
		A	205.251.198.78^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1614.awsdns-09.co.uk`
MX	`mxa.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`8f7088gv5932jxw9lwwd1b6ttx2pw2ds`
TXT	`_8nu1z7buo055obs89jw55hkjzooc4nm`
TXT	`_zowlnczhs3ly3yr8wkbffswsqqbijle`
TXT	`bm875fk62qjqg22ls9c0hzvp69fg6v45`
TXT	`google-site-verification=FIGVOKZm6lQFDBJaiC2DdwvBy8TInunoGCt-1gnL4PA`
TXT	`v=spf1 include:_spf.mailgun.org include:_spf.eu.mailgun.org -all`
TXT	`yahoo-verification-key=6SqcA173NI/sqCJxeUdqWBdMhCYOvO3l8KcWWDpf0qY=`
SOA	`ns-586.awsdns-09.net`awsdns-hostmaster@amazon.com serial=1

`isc.cloud`

	DNSSEC	⚠️ Not signed
	A	72.167.53.97^{🇺🇸 AS39810172.167.48.0/21}
	NS	`ns1.cprapid.com` ⭐ ⚠️ Not in parent delegation
	NS	`n1.isc.cloud` ⚠️ Not in zone NS records
	NS	`n2.isc.cloud` ⚠️ Not in zone NS records
	NS	`ns2.cprapid.com` ⚠️ Not in parent delegation
	MX	`isc.cloud` ⭐
	MX	`mxa.mailgun.org`⁽¹⁰⁾
	MX	`mxb.mailgun.org`⁽¹⁰⁾
	TXT	`v=spf1 ip4:72.167.53.97 include:mailgun.org ~all`
	SOA	`ns1.cprapid.com`root@97.53.167.72.host.secureserver.net 2026-03-06 #1

Previously MX for

isc.cloud

Same first word

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mail.tj

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mail.fun

mail.no-ip.net

mail.mn

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mail.world

mail.pe

mail.sunnyday.jp

mail.group

mail.gov

mail.org.za

mail.mx

mail.cy

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

mail.bg

mail.wtf

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mail.com.mx

mail.uy

mail.gt

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mail.cd

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mail.gm

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mail.toshiba

mail.hosting

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mail.party

mail.tax

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mail.directory

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mail.com.tw

mail.mh

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mail.gov.bn

mail.mmafan.biz

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mail.synology-diskstation.de

mail.schoolbus.jp

mail.cn.ua

mail.uz.ua

mail.cool

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

mail.gov.ao

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DNS History

2 records (1 active, 1 former)

○A72.167.39.742018-06-24 → 2018-06-24 · 2 obs

● 2018-06-24 20:22:54
○ 2026-04-24 00:03:36

●CNAMEmailgun.org2026-04-24 → 2026-04-24 · 1 obs

● 2026-04-24 00:03:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cloud	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
isc.cloud	n1.isc.cloud, n2.isc.cloud	2 records

✅ Authoritative Response

Server:72.167.53.97

NS records: n1.isc.cloud, n2.isc.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isc.cloud (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mailgun.org`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (n2.isc.cloud, n1.isc.cloud)

Analysis

IP Addresses

mail.isc.cloud points to a single IP number: 34.102.239.211.

other host names for instance email.refbook.com.au, gmr-smtp-in.l.google.commxa.mailgun.org, gh-mail.ruggable.commxb.mailgun.org, reply.mxa.mailgun.org and max.mailgun.org share IP numbers with mail.isc.cloud.

Name Servers

mail.isc.cloud is delegated to four name servers: ns-133.awsdns-16.com, ns-586.awsdns-09.net, ns-1482.awsdns-57.org and ns-1614.awsdns-09.co.uk.

mail.isc.cloud at least partially shares name servers with other domains, for instance betgenius.com, protocessor.com, prophix.org, theglobalcare.com and grumball.com.

Host names with two IP numbers:

Host name ns-133.awsdns-16.com points to: 2600:9000:5300:8500::1 and 205.251.192.133.

Host name ns-586.awsdns-09.net points to: 2600:9000:5302:4a00::1 and 205.251.194.74.

Host name ns-1482.awsdns-57.org points to: 2600:9000:5305:ca00::1 and 205.251.197.202.

Host name ns-1614.awsdns-09.co.uk points to: 2600:9000:5306:4e00::1 and 205.251.198.78.

Mail Servers

mail.isc.cloud is handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.

mail.isc.cloud shares the same mail server setup as other domains, for instance dsamar.in, sourcestream.com, nebraskadebtrelief.org, campingportstfrancois.com and legalsphere.co.uk.

mail.isc.cloud shares mail servers with other domains at least partially, including fepb.org.br, musicalcreations.co.uk, oracea.com, iquro.com and signagecreator.com.

these mail servers are often used alongside 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.

Host names with a single IP number:

mxa.mailgun.org points to 34.36.182.139 and mxb.mailgun.org points to 34.36.182.139.

Host names that point to 34.36.182.139: mxa.mailgun.org and mxb.mailgun.org.

mail.isc.cloud - robtex.com

mail.isc.cloud

isc.cloud