`ydfiberoptic.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2bd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8191^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.189^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.145^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`katelyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26eb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katelyn.ns.cloudflare.com`
		A	108.162.194.235^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	162.159.38.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	172.64.34.235^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
NS	`nolan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c338^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nolan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2338^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nolan.ns.cloudflare.com`
		A	108.162.195.56^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	162.159.44.56^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
		A	172.64.35.56^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nolan.ns.cloudflare.com`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`google-site-verification=vYLLazAzjP_WkF3n95O_kU2X1t2KBCo7d8IGu1rGYXM`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.189, 172.67.129.145
		IPv6 hints	2606:4700:3034::6815:2bd, 2606:4700:3036::ac43:8191
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOA	`katelyn.ns.cloudflare.com`dns@cloudflare.com serial=2408358490

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784951642

Same first word

ydfiberoptic.com

DNS History

10 records (9 active, 1 former)

●NSkatelyn.ns.cloudflare.com2026-06-30 → 2026-07-25 · 2 obs

● 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●NSnolan.ns.cloudflare.com2026-06-30 → 2026-07-25 · 2 obs

● 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●MXmx1.qiye.aliyun.com2026-06-30 → 2026-07-25 · 2 obs

● 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●MXmx2.qiye.aliyun.com2026-06-30 → 2026-07-25 · 2 obs

● 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●MXmx3.qiye.aliyun.com2026-06-30 → 2026-07-25 · 2 obs

● 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●A104.21.2.1892026-07-25 → 2026-07-25 · 2 obs

○ 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●A172.67.129.1452026-07-25 → 2026-07-25 · 2 obs

○ 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●A2606:4700:3034::6815:2bd2026-07-25 → 2026-07-25 · 2 obs

○ 2026-06-30 02:58:08
● 2026-07-25 03:59:10

●A2606:4700:3036::ac43:81912026-07-25 → 2026-07-25 · 2 obs

○ 2026-06-30 02:58:08
● 2026-07-25 03:59:10

○A82.197.85.2342026-06-30 → 2026-06-30 · 2 obs

● 2026-06-30 02:58:08
○ 2026-07-25 03:59:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
ydfiberoptic.com	katelyn.ns.cloudflare.com, nolan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: katelyn.ns.cloudflare.com, nolan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ydfiberoptic.com (unsigned zone)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.2.189, 172.67.129.145`
AAAA	2	`2606:4700:3036::ac43:8191, 2606:4700:3034::6815:2bd`
NS	2	`katelyn.ns.cloudflare.com, nolan.ns.cloudflare.com`
MX	3	`mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)...`
TXT	2	`google-site-verification=vYLLazAzjP_WkF3, v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`katelyn.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ydfiberoptic.com points to the four IP addresses 104.21.2.189, 172.67.129.145, 2606:4700:3034::6815:2bd and 2606:4700:3036::ac43:8191.

Among the host names that share IP numbers with ydfiberoptic.com are personalmoneyservice.com, sdk.duihuashijie.com.cdn.cloudflare.net, chorkom.info and two others.

Name Servers

ydfiberoptic.com is delegated to two name servers: katelyn.ns.cloudflare.com and nolan.ns.cloudflare.com.

ydfiberoptic.com has the same name server delegation as a number of other domains, such as organicliving125u.info, luxury-casino-uk.com, tonybetscasino.com and two more.

At least some of ydfiberoptic.com's name servers are shared with other domains, for example ch20-cdnwiz.com, aclukansas.org, sarahjulianauta.nl and two more.

These name servers tend to be deployed in combination with the name servers deb.ns.cloudflare.com and valentin.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

katelyn.ns.cloudflare.com resolves to 108.162.194.235, 162.159.38.235, 172.64.34.235 and 3 other IP addresses.

nolan.ns.cloudflare.com resolves to 108.162.195.56, 162.159.44.56, 172.64.35.56 and 3 other IP addresses.

Mail Servers

The MX records for ydfiberoptic.com list three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

ydfiberoptic.com shares at least some of its mail servers with other domains — for example meishiedu.com, flyingsoft.cn, sfccs.cn and two more.

It is common to find these mail servers used together with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.

Hosts with two IP numbers each:

mx3.qiye.aliyun.com points to 47.246.136.231 and 47.246.137.47.

Hosts that resolve to one IP address:

mx1.qiye.aliyun.com points to 47.246.137.47.

mx2.qiye.aliyun.com points to 47.246.136.231.

mx3.qiye.aliyun.com and mx2.qiye.aliyun.com are host names that each point to 47.246.136.231 IP addresses.

mx3.qiye.aliyun.com and mx1.qiye.aliyun.com are host names that each point to 47.246.137.47 IP addresses.

ydfiberoptic.com - robtex.com