mail.retpt.com - robtex.com

mail.retpt.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5596🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:cf29🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.150Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.41🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.85.150, 172.67.207.41
IPv62606:4700:3035::6815:5596, 2606:4700:3036::ac43:cf29

retpt.com

DNSSEC🔒 Signed (DS record present)
A2606:4700:3035::6815:5596🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:cf29🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.85.150Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.41🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamit.ns.cloudflare.com ⭐
NSdawn.ns.cloudflare.com
MXus-smtp-inbound-1.mimecast.com ⭐
MXus-smtp-inbound-2.mimecast.com(20)
TXT0ed1fe018a6404af111cf546ec9918ed4f7787e649
TXTMS=ms24288086
TXTZOOM_verify_WGbXBHJwTzecUkcLoObuEg
TXTcontractworksverify=AB671Bnams2019hyQ
TXTdocusign=ea85617e-b700-4dff-8d53-119a9dfe02f8
TXTknowbe4-site-verification=de22f811bbfcc1ce139ee4c48c2de7ad
TXTv=spf1 ip4:168.215.90.186/27 include:spf.protection.outlook.com include:us._n...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.85.150, 172.67.207.41
IPv62606:4700:3035::6815:5596, 2606:4700:3036::ac43:cf29
SOAamit.ns.cloudflare.comdns@cloudflare.com serial=2398483832

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.85.150172.67.207.412606:4700:3035::6815:55962606:4700:3036::ac43:cf2950.251.193.22567.138.164.210
●A104.21.85.1502026-02-15 → 2026-03-26 · 3 obs
○ 2016-04-25 22:48:20
● 2026-02-15 23:07:04
● 2026-03-26 15:48:56
●A172.67.207.412026-02-15 → 2026-03-26 · 3 obs
○ 2016-04-25 22:48:20
● 2026-02-15 23:07:04
● 2026-03-26 15:48:56
●A2606:4700:3035::6815:55962026-02-15 → 2026-03-26 · 3 obs
○ 2016-04-25 22:48:20
● 2026-02-15 23:07:04
● 2026-03-26 15:48:56
●A2606:4700:3036::ac43:cf292026-02-15 → 2026-03-26 · 3 obs
○ 2016-04-25 22:48:20
● 2026-02-15 23:07:04
● 2026-03-26 15:48:56
○A50.251.193.2252015-11-11 → 2016-04-25 · 5 obs
○ 2015-07-06 17:13:08
● 2015-11-11 01:58:48
● 2016-04-25 22:48:20
○ 2026-02-15 23:07:04
○ 2026-03-26 15:48:56
○A67.138.164.2102015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 17:13:08
○ 2015-11-11 01:58:48
○ 2026-03-26 15:48:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
retpt.comdawn.ns.cloudflare.com, amit.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.63

NS records: dawn.ns.cloudflare.com, amit.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.85.150, 172.67.207.41
AAAA22606:4700:3036::ac43:cf29, 2606:4700:3035::6815:5596
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.retpt.com resolves to four IPs: 2606:4700:3035::6815:5596, 2606:4700:3036::ac43:cf29, 104.21.85.150 and 172.67.207.41.

Other host names, for instance shuffle.world, cnqczl.com, districtartgallery.com, autodiscover.retpt.com and greenshredder.co.uk share IP numbers with mail.retpt.com.