mail.u2.to - robtex.com

mail.u2.to

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:afb3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:300a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.10Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.179🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.10, 172.67.175.179
IPv6 hints2606:4700:3032::ac43:afb3, 2606:4700:3035::6815:300a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com

u2.to

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:afb3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:300a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.10Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.179🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkia.ns.cloudflare.com ⭐
NSkip.ns.cloudflare.com
TXTgoogle-site-verification=7rQbyaQ9HChchnVIDgmeBw-J3RW2-GUdWxedjwRDTtA
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.10, 172.67.175.179
IPv6 hints2606:4700:3032::ac43:afb3, 2606:4700:3035::6815:300a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOAkia.ns.cloudflare.comdns@cloudflare.com serial=2410696891
⚠️ On DNS blocklist: urlshortener

Previously MX for

u2.to

Same first word

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mail.direct
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DNS History

5 records (4 active, 1 former)

A104.21.48.10172.67.175.1792606:4700:3032::ac43:afb32606:4700:3035::6815:300a2606:4700:3037::6815:300a
●A104.21.48.102026-05-06 → 2026-08-05 · 2 obs
● 2026-05-06 06:41:56
● 2026-08-05 10:18:00
●A172.67.175.1792026-05-06 → 2026-08-05 · 2 obs
● 2026-05-06 06:41:56
● 2026-08-05 10:18:00
●A2606:4700:3032::ac43:afb32026-05-06 → 2026-08-05 · 2 obs
● 2026-05-06 06:41:56
● 2026-08-05 10:18:00
●A2606:4700:3035::6815:300a2026-06-26 → 2026-08-05 · 3 obs
○ 2026-05-06 06:41:56
● 2026-06-26 03:09:04
● 2026-08-05 10:18:00
○A2606:4700:3037::6815:300a2026-05-06 → 2026-05-06 · 3 obs
● 2026-05-06 06:41:56
○ 2026-06-26 03:09:04
○ 2026-08-05 10:18:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
tons10.trs-dns.org, ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.info8 records
u2.tokia.ns.cloudflare.com, kip.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.128

NS records: kia.ns.cloudflare.com, kip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for to (unsigned zone)

⏱️ Timing

Total: 837ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.179, 104.21.48.10
AAAA22606:4700:3032::ac43:afb3, 2606:4700:3035::6815:300a
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.org, ns10.trs-dns.org, ns01.trs-dns.com...)

Analysis

IP Addresses

mail.u2.to directs to four IP numbers, which are 104.21.48.10, 172.67.175.179, 2606:4700:3032::ac43:afb3 and 2606:4700:3035::6815:300a.

Among the host names that share IP numbers with mail.u2.to are 018180.com, notfans.lol, thebun.jp and two others.