`crystal-guru.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:11f7^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b2e5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.247^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.229^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dolly.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c062^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dolly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2062^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dolly.ns.cloudflare.com`
		A	108.162.192.98^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	172.64.32.98^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.ns.cloudflare.com`
		A	173.245.58.98^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dolly.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	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=uc2Hr4ZwdGH7xtSOC-TehGr90i_lmSO3wP8Eyog9po4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.247, 172.67.178.229
		IPv6 hints	2606:4700:3030::6815:11f7, 2606:4700:3036::ac43:b2e5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`dolly.ns.cloudflare.com`dns@cloudflare.com serial=2402367215

`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=1778399081

Same first word

crystal-guru.com

DNS History

13 records (9 active, 4 former)

●NSdolly.ns.cloudflare.com2026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

○NSns1.hover.com2017-06-20 → 2017-06-20 · 3 obs

● 2017-06-20 15:27:18
○ 2026-05-04 20:14:00
○ 2026-05-10 08:15:00

○NSns2.hover.com2017-06-20 → 2017-06-20 · 3 obs

● 2017-06-20 15:27:18
○ 2026-05-04 20:14:00
○ 2026-05-10 08:15:00

●NSpaul.ns.cloudflare.com2026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

○MXmx.hover.com.cust.hostedemail.com2017-06-20 → 2017-06-20 · 3 obs

● 2017-06-20 15:27:18
○ 2026-05-04 20:14:00
○ 2026-05-10 08:15:00

●MXroute1.mx.cloudflare.net2026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●MXroute2.mx.cloudflare.net2026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●MXroute3.mx.cloudflare.net2026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●A104.21.17.2472026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●A172.67.178.2292026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●A2606:4700:3030::6815:11f72026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

●A2606:4700:3036::ac43:b2e52026-05-04 → 2026-05-10 · 3 obs

○ 2017-06-20 15:27:18
● 2026-05-04 20:14:00
● 2026-05-10 08:15:00

○A64.98.145.302017-06-20 → 2017-06-20 · 3 obs

● 2017-06-20 15:27:18
○ 2026-05-04 20:14:00
○ 2026-05-10 08:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crystal-guru.com	paul.ns.cloudflare.com, dolly.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.98

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crystal-guru.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.178.229, 104.21.17.247`
AAAA	2	`2606:4700:3030::6815:11f7, 2606:4700:3036::ac43:b2e5`
NS	2	`dolly.ns.cloudflare.com, paul.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 33), route1.mx.cloudflare.net (pri: 63)...`
TXT	2	`google-site-verification=uc2Hr4ZwdGH7xtS, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dolly.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

crystal-guru.com maps to four IP numbers: 2606:4700:3030::6815:11f7, 2606:4700:3036::ac43:b2e5, 104.21.17.247 and 172.67.178.229.

other host names include jas.st, bicycleuniverse.com, guvenliksistemicozumleri.com, moiland.com and trueechogalaxy.com; they share IP numbers with crystal-guru.com.

Name Servers

Two name servers dolly.ns.cloudflare.com and paul.ns.cloudflare.com handle the delegation for crystal-guru.com.

crystal-guru.com shares the same name server setup as other domains, for instance mamame.com.tr, dana.com.pk, ebizztrax.com, japanesetalker.cc and investlifeusa.com.

crystal-guru.com at least partially shares name servers with other domains, for instance metaturisti.com, whanmhoo569.com, chickensouppets.com, relishhost.com and pgpsintang.org.

These name servers are commonly used with jason.ns.cloudflare.com and dom.ns.cloudflare.com.

Six IP addresses per host:

dolly.ns.cloudflare.com points to 2606:4700:50::adf5:3a62, 2803:f800:50::6ca2:c062, 2a06:98c1:50::ac40:2062, 108.162.192.98, 172.64.32.98 and 173.245.58.98; paul.ns.cloudflare.com points to 2606:4700:58::adf5:3b87, 2803:f800:50::6ca2:c187, 2a06:98c1:50::ac40:2187, 108.162.193.135, 172.64.33.135 and 173.245.59.135

Mail Servers

Three mail servers handle crystal-guru.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

crystal-guru.com shares at least partially some mail servers with other domains, for instance 6666600.xyz, mickleandmuckle.com, acmelv.com, advocard.org and shanebodimer.com.

Host names with six IP numbers:

- route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

- route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

- route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

crystal-guru.com - robtex.com

crystal-guru.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

`crystal-guru.com`

`com`