`ylwsrv.com`

DNSSEC	⚠️ Not signed
A	3.19.136.166^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
		PTR	`ec2-3-19-136-166.us-east-2.compute.amazonaws.com`
A	18.116.252.165^{🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix}
A	18.188.131.100^{🇺🇸 Amazon18.188.0.0/16 EC2 CMH prefix}
NS	`johnny.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnny.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`johnny.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`johnny.ns.cloudflare.com`
		A	108.162.195.186^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnny.ns.cloudflare.com`
		A	162.159.44.186^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnny.ns.cloudflare.com`
		A	172.64.35.186^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`johnny.ns.cloudflare.com`
NS	`sofia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sofia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sofia.ns.cloudflare.com`
		A	108.162.192.223^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	172.64.32.223^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	173.245.58.223^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=jk3QiDTNCojoVfyCX6HroavcBLr_sP9rvQFeOfhApZo`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`johnny.ns.cloudflare.com`dns@cloudflare.com serial=2411959120

`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=1786699824

Subdomains

sdk.ylwsrv.com

creatives.ylwsrv.com

api.ylwsrv.com

Same first word

ylwsrv.com

Similar names

lwvsyr.org

yswlvr.com

DNS History

14 records (10 active, 4 former)

●NSjohnny.ns.cloudflare.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●NSsofia.ns.cloudflare.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●MXalt1.aspmx.l.google.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●MXalt2.aspmx.l.google.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●MXalt3.aspmx.l.google.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●MXalt4.aspmx.l.google.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

●MXaspmx.l.google.com2026-05-12 → 2026-08-14 · 2 obs

● 2026-05-12 05:21:44
● 2026-08-14 09:59:24

○A104.21.24.692026-05-12 → 2026-05-12 · 3 obs

● 2026-05-12 05:21:44
○ 2026-05-29 04:35:46
○ 2026-08-14 09:59:24

○A172.67.217.902026-05-12 → 2026-05-12 · 3 obs

● 2026-05-12 05:21:44
○ 2026-05-29 04:35:46
○ 2026-08-14 09:59:24

●A18.116.252.1652026-05-29 → 2026-08-14 · 3 obs

○ 2026-05-12 05:21:44
● 2026-05-29 04:35:46
● 2026-08-14 09:59:24

●A18.188.131.1002026-05-29 → 2026-08-14 · 3 obs

○ 2026-05-12 05:21:44
● 2026-05-29 04:35:46
● 2026-08-14 09:59:24

○A2606:4700:3034::6815:18452026-05-12 → 2026-05-12 · 3 obs

● 2026-05-12 05:21:44
○ 2026-05-29 04:35:46
○ 2026-08-14 09:59:24

○A2606:4700:3035::ac43:d95a2026-05-12 → 2026-05-12 · 3 obs

● 2026-05-12 05:21:44
○ 2026-05-29 04:35:46
○ 2026-08-14 09:59:24

●A3.19.136.1662026-05-29 → 2026-08-14 · 3 obs

○ 2026-05-12 05:21:44
● 2026-05-29 04:35:46
● 2026-08-14 09:59:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...	-
ylwsrv.com	sofia.ns.cloudflare.com, johnny.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.223

NS records: sofia.ns.cloudflare.com, johnny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ylwsrv.com (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`18.188.131.100, 18.116.252.165...`
NS	2	`johnny.ns.cloudflare.com, sofia.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=jk3QiDTNCojoVfy, v=spf1 include:_spf.google.com ~all`
SOA	1	`johnny.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

ylwsrv.com sits above sdk.ylwsrv.com, creatives.ylwsrv.com and api.ylwsrv.com in the domain hierarchy.

IP Addresses

ylwsrv.com directs to three IP numbers: 3.19.136.166, 18.116.252.165 and 18.188.131.100.

k8s-envoysys-envoyenv-5a23aa3b7f-d42dc225d0388dbc.elb.us-east-2.amazonaws.com, for instance, is one of the other host names sharing IP numbers with ylwsrv.com.

Name Servers

ylwsrv.com uses two name servers for its delegation: johnny.ns.cloudflare.com and sofia.ns.cloudflare.com.

ylwsrv.com uses the same name servers as several other domains — among them sigmauk.com, theplantationgroup.com, xads-telegram.com.cn and two more.

There is at least partial name server overlap between ylwsrv.com and other domains — in66677.com, dripcasinoo.ca, cocotoys.com.au and two more among them.

These name servers are routinely deployed together with the name servers rachel.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname johnny.ns.cloudflare.com directs to 108.162.195.186, 162.159.44.186 and 172.64.35.186 along with 3 other IP addresses.

Hostname sofia.ns.cloudflare.com directs to 108.162.192.223, 172.64.32.223 and 173.245.58.223 along with 3 other IP addresses.

Mail Servers

Five mail servers handle ylwsrv.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

ylwsrv.com has at least partial mail server overlap with other domains such as exerciseforlife.com.au, torque.co.jp, picnic.team and two more.

These mail servers commonly appear together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and two other mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com directs traffic to 142.251.179.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.