`gurucycling.com`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3101::6812:2396^{🇺🇸 Cloudflare2a06:98c1:3101::/48} ✓ In HTTPS hints
A	2a06:98c1:3104::ac40:986a^{🇺🇸 Cloudflare2a06:98c1:3104::/48} ✓ In HTTPS hints
A	104.18.35.150^{Cloudflare104.18.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.152.106^{🇺🇸 Cloudflare172.64.152.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`colin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colin.ns.cloudflare.com`
		A	108.162.195.75^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	162.159.44.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	172.64.35.75^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
NS	`josephine.ns.cloudflare.com`
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
MX	`gurucycling-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.50.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00502.inbound.protection.outlook.com`
TXT	`MS=ms22977339`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.35.150, 172.64.152.106
		IPv6 hints	2a06:98c1:3101::6812:2396, 2a06:98c1:3104::ac40:986a
SOA	`colin.ns.cloudflare.com`dns@cloudflare.com serial=2408897197

`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=1785949769

Subdomains

www.gurucycling.com

Same first word

gurucycling.com

DNS History

24 records (7 active, 17 former)

●NScolin.ns.cloudflare.com2026-04-06 → 2026-08-05 · 3 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-08-05 17:24:18

●NSjosephine.ns.cloudflare.com2026-04-06 → 2026-08-05 · 3 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-08-05 17:24:18

○NSns10.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○NSns11.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○NSns12.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○NSns13.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○NSns14.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○NSns15.dnsmadeeasy.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○MXalt1.aspmx.l.google.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○MXalt2.aspmx.l.google.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○MXalt3.aspmx.l.google.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○MXalt4.aspmx.l.google.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○MXaspmx.l.google.com2015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

●MXgurucycling-com.mail.protection.outlook.com2026-04-06 → 2026-08-05 · 3 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-08-05 17:24:18

●A104.18.35.1502026-04-06 → 2026-08-05 · 3 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-08-05 17:24:18

●A172.64.152.1062026-04-06 → 2026-08-05 · 3 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-08-05 17:24:18

○A2606:4700:4403::6812:23962026-04-06 → 2026-06-14 · 5 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-06-14 20:04:38
○ 2026-06-21 10:07:34
○ 2026-08-05 17:24:18

○A2606:4700:4404::ac40:986a2026-04-06 → 2026-06-14 · 5 obs

○ 2017-06-09 13:27:58
● 2026-04-06 07:41:18
● 2026-06-14 20:04:38
○ 2026-06-21 10:07:34
○ 2026-08-05 17:24:18

●A2a06:98c1:3101::6812:23962026-06-21 → 2026-08-05 · 3 obs

○ 2026-06-14 20:04:38
● 2026-06-21 10:07:34
● 2026-08-05 17:24:18

●A2a06:98c1:3104::ac40:986a2026-06-21 → 2026-08-05 · 3 obs

○ 2026-06-14 20:04:38
● 2026-06-21 10:07:34
● 2026-08-05 17:24:18

○A96.45.82.2242015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○A96.45.82.612015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○A96.45.83.2322015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

○A96.45.83.522015-08-04 → 2017-06-09 · 4 obs

● 2015-08-04 11:16:38
● 2017-06-09 13:27:58
○ 2026-04-06 07:41:18
○ 2026-08-05 17:24:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
gurucycling.com	josephine.ns.cloudflare.com, colin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.64

NS records: josephine.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gurucycling.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.35.150, 172.64.152.106`
AAAA	2	`2a06:98c1:3104::ac40:986a, 2a06:98c1:3101::6812:2396`
NS	2	`colin.ns.cloudflare.com, josephine.ns.cloudflare.com`
MX	1	`gurucycling-com.mail.protection.outlook.`
TXT	2	`MS=ms22977339, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`colin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.gurucycling.com is delegated beneath gurucycling.com.

IP Addresses

gurucycling.com directs to four IP numbers, which are 104.18.35.150, 172.64.152.106, 2a06:98c1:3101::6812:2396 and 2a06:98c1:3104::ac40:986a.

rite-aid.pbis-cf.instacart.com, jsc.adskeeper.com, trans(0x736578)date.com and two other host names share IP numbers with gurucycling.com.

Name Servers

gurucycling.com uses two name servers for its delegation: colin.ns.cloudflare.com and josephine.ns.cloudflare.com.

gurucycling.com uses the same name servers as several other domains — among them schwinnelectricbikes.com, gurubikefinder.com, csgxchange.com and two more.

There is at least partial name server overlap between gurucycling.com and other domains — edutianchina.com, xcdvdvbvfddfe.top, dch.com.ar and two more among them.

These name servers regularly appear alongside ned.ns.cloudflare.com, dion.ns.cloudflare.com, noor.ns.cloudflare.com and 3 other name servers in NS record sets.

Hostnames that resolve to 6 IP addresses:

Hostname colin.ns.cloudflare.com directs to 108.162.195.75, 162.159.44.75 and 172.64.35.75 along with 3 other IP addresses.

Hostname josephine.ns.cloudflare.com directs to 108.162.194.64, 162.159.38.64 and 172.64.34.64 along with 3 other IP addresses.

Mail Servers

Mail for gurucycling.com is handled by a single mail server, gurucycling-com.mail.protection.outlook.com.

gurucycling-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.9.2, 52.101.11.15, 52.101.41.6 and 5 others.

gurucycling.com - robtex.com

gurucycling.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`gurucycling.com`

`com`