`ybkdevs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:deef^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2680^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.128^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.239^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clara.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26db^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clara.ns.cloudflare.com`
		A	108.162.194.219^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clara.ns.cloudflare.com`
		A	162.159.38.219^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clara.ns.cloudflare.com`
		A	172.64.34.219^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clara.ns.cloudflare.com`
NS	`paul.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c187^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paul.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2187^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paul.ns.cloudflare.com`
		A	108.162.193.135^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	172.64.33.135^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	173.245.59.135^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain=2Ca91pSf47Ng2dZW`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.128, 172.67.222.239
		IPv6 hints	2606:4700:3036::ac43:deef, 2606:4700:3037::6815:2680
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=120, name=cloudflare-ech.com
SOA	`clara.ns.cloudflare.com`dns@cloudflare.com serial=2412090901

`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=1786771434

Same first word

ybkdevs.com

DNS History

10 records (8 active, 2 former)

●NSclara.ns.cloudflare.com2026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

●NSpaul.ns.cloudflare.com2026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

●MXmx01.mail.icloud.com2026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

●MXmx02.mail.icloud.com2026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

●A104.21.38.1282026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

●A172.67.222.2392026-05-30 → 2026-08-15 · 2 obs

● 2026-05-30 14:48:14
● 2026-08-15 05:26:36

○A2606:4700:3034::ac43:deef2026-05-30 → 2026-05-30 · 3 obs

● 2026-05-30 14:48:14
○ 2026-07-24 13:16:50
○ 2026-08-15 05:26:36

○A2606:4700:3035::6815:26802026-05-30 → 2026-05-30 · 3 obs

● 2026-05-30 14:48:14
○ 2026-07-24 13:16:50
○ 2026-08-15 05:26:36

●A2606:4700:3036::ac43:deef2026-07-24 → 2026-08-15 · 3 obs

○ 2026-05-30 14:48:14
● 2026-07-24 13:16:50
● 2026-08-15 05:26:36

●A2606:4700:3037::6815:26802026-07-24 → 2026-08-15 · 3 obs

○ 2026-05-30 14:48:14
● 2026-07-24 13:16:50
● 2026-08-15 05:26:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ybkdevs.com	paul.ns.cloudflare.com, clara.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.219

NS records: paul.ns.cloudflare.com, clara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybkdevs.com (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.128, 172.67.222.239`
AAAA	2	`2606:4700:3037::6815:2680, 2606:4700:3036::ac43:deef`
NS	2	`clara.ns.cloudflare.com, paul.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=2Ca91pSf47Ng2dZW, v=spf1 include:icloud.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clara.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ybkdevs.com points to the four IP addresses 104.21.38.128, 172.67.222.239, 2606:4700:3036::ac43:deef and 2606:4700:3037::6815:2680.

tv04.net, twslivev2.com, grioot.com and two other host names share IP numbers with ybkdevs.com.

Name Servers

ybkdevs.com uses two name servers for its delegation: clara.ns.cloudflare.com and paul.ns.cloudflare.com.

ybkdevs.com uses the same name servers as several other domains — among them eikogroup.net, ossby.com, blackhartconstruction.com and two more.

At least some of ybkdevs.com's name servers are shared with other domains, for example sblbooks.com, emiter.hu, alloverinformation.com and two more.

It is common for these name servers to be used in conjunction with the name servers achiel.ns.cloudflare.com, howard.ns.cloudflare.com and igor.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname clara.ns.cloudflare.com directs to 108.162.194.219, 162.159.38.219 and 172.64.34.219 along with 3 other IP addresses.

Hostname paul.ns.cloudflare.com directs to 108.162.193.135, 172.64.33.135 and 173.245.59.135 along with 3 other IP addresses.

Mail Servers

Mail for ybkdevs.com is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

ybkdevs.com uses an identical mail server configuration to several other domains — among them jackarons.com, chinyaev.ru, mediaworth.com and two more.

ybkdevs.com has at least partial mail server overlap with other domains such as emendology.com, starisles.com, kamalmaharaj.com and two more.

Hostnames that resolve to 6 IP addresses:

Hostname mx01.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hostname mx02.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.42.251.62 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.56.9.31 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.152.5 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.154.33 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.155.25 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.156.30 IP addresses each.

ybkdevs.com - robtex.com

ybkdevs.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`ybkdevs.com`

`com`