`underdogsystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9955^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:48b0^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.176^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.85^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`apollo.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b42^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c142^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`apollo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2142^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`apollo.ns.cloudflare.com`
		A	108.162.193.66^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	172.64.33.66^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
		A	173.245.59.66^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`apollo.ns.cloudflare.com`
NS	`dahlia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c059^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dahlia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2059^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dahlia.ns.cloudflare.com`
		A	108.162.192.89^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	172.64.32.89^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	173.245.58.89^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.27^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		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	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.26^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`MS=ms90598381`
TXT	`v=spf1 a include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.176, 172.67.153.85
		IPv6	2606:4700:3031::ac43:9955, 2606:4700:3036::6815:48b0
SOA	`apollo.ns.cloudflare.com`dns@cloudflare.com serial=2396662334

`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=1774894817

Same first word

underdogsystems.com

DNS History

17 records (13 active, 4 former)

●NSapollo.ns.cloudflare.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●NSdahlia.ns.cloudflare.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXalt1.aspmx.l.google.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXalt2.aspmx.l.google.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXaspmx.l.google.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXaspmx2.googlemail.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXaspmx3.googlemail.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXaspmx4.googlemail.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●MXaspmx5.googlemail.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 18:01:52
● 2026-03-30 18:36:26

●A104.21.72.1762026-02-25 → 2026-03-30 · 3 obs

○ 2017-04-05 18:55:24
● 2026-02-25 01:52:26
● 2026-03-30 18:36:26

○A104.27.148.2112015-08-02 → 2017-04-05 · 4 obs

● 2015-08-02 18:01:52
● 2017-04-05 18:55:24
○ 2026-02-25 01:52:26
○ 2026-03-30 18:36:26

○A104.27.149.2112015-08-02 → 2017-04-05 · 4 obs

● 2015-08-02 18:01:52
● 2017-04-05 18:55:24
○ 2026-02-25 01:52:26
○ 2026-03-30 18:36:26

●A172.67.153.852026-02-25 → 2026-03-30 · 3 obs

○ 2017-04-05 18:55:24
● 2026-02-25 01:52:26
● 2026-03-30 18:36:26

○A2400:cb00:2048:1::681b:94d32017-04-05 → 2017-04-05 · 4 obs

○ 2015-08-02 18:01:52
● 2017-04-05 18:55:24
○ 2026-02-25 01:52:26
○ 2026-03-30 18:36:26

○A2400:cb00:2048:1::681b:95d32017-04-05 → 2017-04-05 · 4 obs

○ 2015-08-02 18:01:52
● 2017-04-05 18:55:24
○ 2026-02-25 01:52:26
○ 2026-03-30 18:36:26

●A2606:4700:3031::ac43:99552026-02-25 → 2026-03-30 · 3 obs

○ 2017-04-05 18:55:24
● 2026-02-25 01:52:26
● 2026-03-30 18:36:26

●A2606:4700:3036::6815:48b02026-02-25 → 2026-03-30 · 3 obs

○ 2017-04-05 18:55:24
● 2026-02-25 01:52:26
● 2026-03-30 18:36:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
underdogsystems.com	dahlia.ns.cloudflare.com, apollo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.66

NS records: dahlia.ns.cloudflare.com, apollo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underdogsystems.com (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.85, 104.21.72.176`
AAAA	2	`2606:4700:3031::ac43:9955, 2606:4700:3036::6815:48b0`
NS	2	`apollo.ns.cloudflare.com, dahlia.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	2	`MS=ms90598381, v=spf1 a include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`apollo.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

underdogsystems.com points to four IP numbers: 2606:4700:3031::ac43:9955, 2606:4700:3036::6815:48b0, 104.21.72.176 and 172.67.153.85.

Other host names, for instance cheersfest.com, neurofeedbackalliance.org, urbanikart.fr.cdn.cloudflare.net, completesurprise.com and stanleygora.com share IP numbers with underdogsystems.com.

Name Servers

Delegation for underdogsystems.com rests with two name servers, apollo.ns.cloudflare.com and dahlia.ns.cloudflare.com.

underdogsystems.com shares the same name server setup as other domains, including vr66.ru, spotonmotorcycles.com.au, nickmccullum.com, 1ku.ru and coderanch.com.

underdogsystems.com at least partially shares name servers with other domains, for instance yd-express.com, 5wangi787.live, sanyuanwy.com, punebds.com and seanlaceyltd.com.