yunhao.io - robtex.com

yunhao.io

DNSSEC🔒 Signed (DS record present)
A2606:4700:3034::ac43:bfc1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:245a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.90Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.193🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSasa.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A2803:f800:50::6ca2:c0f6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRasa.ns.cloudflare.com
A2a06:98c1:50::ac40:20f6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRasa.ns.cloudflare.com
A108.162.192.246🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A172.64.32.246🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
A173.245.58.246🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRasa.ns.cloudflare.com
NSbuck.ns.cloudflare.com
A2606:4700:58::adf5:3b4e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A2803:f800:50::6ca2:c14e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbuck.ns.cloudflare.com
A2a06:98c1:50::ac40:214e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbuck.ns.cloudflare.com
A108.162.193.78🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A172.64.33.78🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
A173.245.59.78🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbuck.ns.cloudflare.com
MXarrow-relay.mxrouting.net ⭐
A45.43.208.31🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC
PTRarrow.mxrouting.net
MXarrow.mxrouting.net(20)
A45.43.208.31🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC
PTRarrow.mxrouting.net
TXTv=spf1 include:mxroute.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.90, 172.67.191.193
IPv6 hints2606:4700:3034::ac43:bfc1, 2606:4700:3037::6815:245a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOAasa.ns.cloudflare.comdns@cloudflare.com serial=2401518651

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1776123541
🔒 HSTS Preload (+subdomains)

Same first word

yunhao.tech
yunhao.io
yunhao.ai
yunhao.net

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DNS History

8 records (8 active, 0 former)

NSasa.ns.cloudflare.combuck.ns.cloudflare.comMXarrow-relay.mxrouting.netarrow.mxrouting.netA104.21.36.90172.67.191.1932606:4700:3034::ac43:bfc12606:4700:3037::6815:245a
●NSasa.ns.cloudflare.com2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●NSbuck.ns.cloudflare.com2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●MXarrow-relay.mxrouting.net2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●MXarrow.mxrouting.net2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●A104.21.36.902026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●A172.67.191.1932026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●A2606:4700:3034::ac43:bfc12026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32
●A2606:4700:3037::6815:245a2026-04-05 → 2026-04-14 · 2 obs
● 2026-04-05 01:57:24
● 2026-04-14 00:07:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
yunhao.iobuck.ns.cloudflare.com, asa.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.78

NS records: buck.ns.cloudflare.com, asa.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.191.193, 104.21.36.90
AAAA22606:4700:3037::6815:245a, 2606:4700:3034::ac43:bfc1
NS2asa.ns.cloudflare.com, buck.ns.cloudflare.com
MX2arrow.mxrouting.net (pri: 10), arrow-relay.mxrouting.net (pri: 20)
TXT1v=spf1 include:mxroute.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1asa.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

yunhao.io resolves to four IPs: 2606:4700:3034::ac43:bfc1, 2606:4700:3037::6815:245a, 104.21.36.90 and 172.67.191.193.

Other host names such as omniabathrooms.co.uk, 942e5c.com, fczorya.com, jubilertina.pl and pcjnd111.xyz share IP numbers with yunhao.io.

Name Servers

yunhao.io is delegated to two name servers: asa.ns.cloudflare.com and buck.ns.cloudflare.com.

yunhao.io uses the same name server setup as other domains, including ugly(0x6e756465)s.com, menatwork.nl, passwords.trade, emmettgroupconsulting.com and dujudini.com.

At least part of the name servers for yunhao.io are shared with other domains, for instance octerre.ca, annaexch365.com, worldmedicorder.com, ott1.co and fantasygroups.net.

Host names with six IP numbers:

asa.ns.cloudflare.com points to: 2606:4700:50::adf5:3af6, 2803:f800:50::6ca2:c0f6, 2a06:98c1:50::ac40:20f6, 108.162.192.246, 172.64.32.246 and 173.245.58.246.

buck.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4e, 2803:f800:50::6ca2:c14e, 2a06:98c1:50::ac40:214e, 108.162.193.78, 172.64.33.78 and 173.245.59.78.

Mail Servers

yunhao.io is handled by two mail servers: arrow-relay.mxrouting.net and arrow.mxrouting.net.

yunhao.io uses the same mail server setup as other domains, for instance eiaaprogram.com, zygoscient.org, carnevalepetrosino.com, ernestoschnack.com and stixxgrow.com.

yunhao.io shares some mail servers with other domains at least partially, for example proyectosurbanosgt.com, medstorerx.com and annamariemccarthy.com.

Host names sharing a single IP: arrow-relay.mxrouting.net and arrow.mxrouting.net point to 45.43.208.31.