`mail.app.estimateone.com`

DNSSEC	⚠️ Not signed
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	`v=spf1 include:mailgun.org ~all`

`app.estimateone.com`

CNAME	`app.estimateone.com.cdn.cloudflare.net`
DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:1294^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:a1a0^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.18.148^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.161.160^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.20.18.148, 172.66.161.160
		IPv6 hints	2606:4700:10::6814:1294, 2606:4700:10::ac42:a1a0

Subdomains

email.mail.app.estimateone.com

Same first word

mail.select

mail.email

mail.blue

mail.st

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

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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.dnsalias.com

mail.com.tr

mail.ai

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mail.org.ru

mail.vpndns.net

mail.re

mail.credit

mail.pl

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mail.perspecta.cloud

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mail.qualifioapp.com

mail.photography

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mail.online

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mail.net.sa

mail.idf.il

mail.house

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mail.club

mail.news

mail.daa.jp

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mail.co.id

mail.top

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lima.lu

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ialm.info

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mail.raindrop.jp

mail.tj

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imla.kr

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DNS History

2 records (2 active, 0 former)

●MXmxa.mailgun.org2017-06-02 → 2026-07-11 · 2 obs

● 2017-06-02 00:06:20
● 2026-07-11 09:35:40

●MXmxb.mailgun.org2017-06-02 → 2026-07-11 · 2 obs

● 2017-06-02 00:06:20
● 2026-07-11 09:35:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
estimateone.com	ns-380.awsdns-47.com, ns-832.awsdns-40.net, ns-1257.awsdns-29.org, ns-1916.awsdns-47.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.124

NS records: ns-380.awsdns-47.com, ns-832.awsdns-40.net, ns-1257.awsdns-29.org, ns-1916.awsdns-47.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for estimateone.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	1	`v=spf1 include:mailgun.org ~all`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-380.awsdns-47.com, ns-380.awsdns-47.com)

Analysis

Hierarchy

mail.app.estimateone.com is the parent zone for email.mail.app.estimateone.com.

Mail Servers

Mail for mail.app.estimateone.com is handled by two mail servers — mxa.mailgun.org and mxb.mailgun.org.

mail.app.estimateone.com uses an identical mail server configuration to several other domains — among them comenzi.deliciisanatoase.ro, gearbasic.com, mail.photoproofpro.com and two more.

mail.app.estimateone.com has at least partial mail server overlap with other domains such as autocampaign.ai, greggelman.com, kidsdiscover.com and two more.

mxa.mailgun.org and mxb.mailgun.org share one IP address between them — 34.36.182.139.

These two host names — mxa.mailgun.org and mxb.mailgun.org — each point to 34.36.182.139 IP addresses.

mail.app.estimateone.com - robtex.com