mail.robbrenner.com - robtex.com

mail.robbrenner.com

DNSSEC⚠️ Not signed
MXmail.protonmail.ch ⭐
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=e1b3d27269c9afa6953edc9cd84fa1f3d1230ab1
TXTv=spf1 include:_spf.protonmail.ch ~all

robbrenner.com

DNSSEC🔒 Signed (DS record present)
A2606:4700:3032::6815:221c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a7d5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.34.28Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.213🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSandy.ns.cloudflare.com ⭐
NSjamie.ns.cloudflare.com
MXrobbrenner-com.mail.protection.outlook.com ⭐
TXTprotonmail-verification=09dacc205d03f3f459958f260029cf259b5e84da
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.34.28, 172.67.167.213
IPv6 hints2606:4700:3032::6815:221c, 2606:4700:3036::ac43:a7d5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOAandy.ns.cloudflare.comdns@cloudflare.com serial=2400481106

Previously MX for

robbrenner.com

Same first word

mail.gen.tr
mail.zip
mail.dvrcam.info
mail.gov.gd
mail.brasilia.me
mail.hopto.me
mail.pn
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mail.gov.il
mail.ie
mail.co.cr
mail.pa
mail.schaeffler
mail.gov.to
mail.berlin
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mail.go.id
mail.tl
mail.rec.br
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mail.(0x6c6f6c697461)punk.jp
mail.sc
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mail.company
mail.gov.mn
mail.priv.pl
mail.mw
mail.gov.na
mail.co.nz
mail.sdscloud.pl
mail.az
mail.is
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mail.id
mail.tr
mail.tt
mail.media
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mail.readymade.jp
mail.raindrop.jp
mail.tj
mail.mydissent.net
mail.spdns.org
mail.lk
mail.fish
mail.pp.ua
mail.fun
mail.no-ip.net
mail.mn
mail.mydns.bz
mail.fem.jp
mail.health
mail.s3.amazonaws.com
mail.gov.ye
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mail.radio.fm
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mail.ms
mail.boleslawiec.pl
mail.mydns.vc
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mail.kz
mail.im
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mail.it.com
mail.gov.mg
mail.ss
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mail.tc
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mail.group
mail.gov
mail.org.za
mail.mx
mail.cy
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mail.ly
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mail.bg
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DNS History

5 records (2 active, 3 former)

20162017201820192020202120222023202420252026MXmail.protonmail.chmailsec.protonmail.chA104.193.172.20104.193.172.3265.39.222.184
●MXmail.protonmail.ch2026-02-19 → 2026-04-12 · 2 obs
● 2026-02-19 07:07:48
● 2026-04-12 10:59:06
●MXmailsec.protonmail.ch2026-02-19 → 2026-04-12 · 2 obs
● 2026-02-19 07:07:48
● 2026-04-12 10:59:06
○A104.193.172.202015-10-30 → 2016-01-19 · 5 obs
○ 2015-05-25 10:36:08
● 2015-10-30 12:09:42
● 2016-01-19 01:30:14
○ 2016-04-18 07:50:50
○ 2026-04-12 10:59:06
○A104.193.172.322016-04-18 → 2016-04-18 · 4 obs
○ 2016-01-19 01:30:14
● 2016-04-18 07:50:50
○ 2026-02-19 07:07:48
○ 2026-04-12 10:59:06
○A65.39.222.1842015-05-25 → 2015-05-25 · 3 obs
● 2015-05-25 10:36:08
○ 2015-10-30 12:09:42
○ 2026-04-12 10:59:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...-
robbrenner.comandy.ns.cloudflare.com, jamie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.168

NS records: andy.ns.cloudflare.com, jamie.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

TypeCountSample Data
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT2protonmail-verification=e1b3d27269c9afa6, v=spf1 include:_spf.protonmail.ch ~all

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Servers

mail.robbrenner.com is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

mail.robbrenner.com has the same mail server setup as other domains, including wildsebastian.de, utleyfamily.org, linus.codes, glennandersson.com and collierchiro.com.

mail.robbrenner.com shares some mail servers with other domains, at least partially, such as molloyclan.com, xchanged.net, aclara.ie, cronidis.com and cestprevupourquand.fr.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128.

mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.