`guochem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:38ce^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:88ac^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.206^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.172^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`naomi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`naomi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`naomi.ns.cloudflare.com`
		A	108.162.192.208^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	172.64.32.208^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	173.245.58.208^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
NS	`oswald.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bda^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oswald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oswald.ns.cloudflare.com`
		A	108.162.193.218^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	172.64.33.218^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	173.245.59.218^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.206, 172.67.136.172
		IPv6	2606:4700:3031::6815:38ce, 2606:4700:3032::ac43:88ac
SOA	`naomi.ns.cloudflare.com`dns@cloudflare.com serial=2398395010

`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=1774618777

Same first word

guochem.com

Similar names

hugmeco.com

hugcome.co.jp

ugchome.com

hugcome.com

geumoch.org

DNS History

17 records (6 active, 11 former)

●NSnaomi.ns.cloudflare.com2026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

○NSns1.51dns.com2015-11-04 → 2016-06-24 · 5 obs

○ 2015-06-13 02:43:50
● 2015-11-04 11:55:02
● 2016-06-24 23:28:32
○ 2017-02-10 19:55:28
○ 2026-03-27 13:44:32

○NSns1.dns.com2017-02-10 → 2026-02-15 · 5 obs

○ 2016-06-24 23:28:32
● 2017-02-10 19:55:28
● 2026-02-15 15:19:38
○ 2026-03-24 08:27:40
○ 2026-03-27 13:44:32

○NSns2.51dns.com2015-11-15 → 2016-06-24 · 5 obs

○ 2015-11-04 11:55:02
● 2015-11-15 10:03:22
● 2016-06-24 23:28:32
○ 2017-02-10 19:55:28
○ 2026-03-27 13:44:32

○NSns5.cnmsn.net2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 07:20:50
○ 2015-06-13 02:43:50
○ 2026-03-27 13:44:32

○NSns6.cnmsn.net2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 07:20:50
○ 2015-06-13 02:43:50
○ 2026-03-27 13:44:32

●NSoswald.ns.cloudflare.com2026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

○MXmail.guochem.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 07:20:50
○ 2015-06-13 02:43:50
○ 2026-03-27 13:44:32

○A103.232.215.1332015-06-13 → 2015-06-13 · 4 obs

○ 2008-03-17 07:20:50
● 2015-06-13 02:43:50
○ 2015-11-15 10:03:22
○ 2026-03-27 13:44:32

○A104.160.190.622026-02-15 → 2026-02-15 · 4 obs

○ 2017-02-10 19:55:28
● 2026-02-15 15:19:38
○ 2026-03-24 08:27:40
○ 2026-03-27 13:44:32

●A104.21.56.2062026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

○A172.106.101.302017-02-10 → 2026-02-15 · 5 obs

○ 2016-06-24 23:28:32
● 2017-02-10 19:55:28
● 2026-02-15 15:19:38
○ 2026-03-24 08:27:40
○ 2026-03-27 13:44:32

●A172.67.136.1722026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

○A221.230.136.382008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 07:20:50
○ 2015-06-13 02:43:50
○ 2026-03-27 13:44:32

○A23.108.234.1192015-11-15 → 2016-06-24 · 5 obs

○ 2015-06-13 02:43:50
● 2015-11-15 10:03:22
● 2016-06-24 23:28:32
○ 2017-02-10 19:55:28
○ 2026-03-27 13:44:32

●A2606:4700:3031::6815:38ce2026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

●A2606:4700:3032::ac43:88ac2026-03-24 → 2026-03-27 · 3 obs

○ 2026-02-15 15:19:38
● 2026-03-24 08:27:40
● 2026-03-27 13:44:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
guochem.com	oswald.ns.cloudflare.com, naomi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.218

NS records: oswald.ns.cloudflare.com, naomi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guochem.com (unsigned zone)

⏱️ Timing

Total: 93ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.172, 104.21.56.206`
AAAA	2	`2606:4700:3031::6815:38ce, 2606:4700:3032::ac43:88ac`
NS	2	`naomi.ns.cloudflare.com, oswald.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`naomi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

guochem.com points to four IP numbers: 2606:4700:3031::6815:38ce, 2606:4700:3032::ac43:88ac, 104.21.56.206 and 172.67.136.172.

For instance, other host names blog.simonwillison.net, marrka.com, lxnxwhy.com, road-and-bridge.com and hatsunemiku.com share IP numbers with guochem.com.

Name Servers

guochem.com is delegated to two name servers: naomi.ns.cloudflare.com and oswald.ns.cloudflare.com.

guochem.com uses the same name server setup as other domains such as ayzyh.com, bjycyscm.com, shxichang.com, mantitown.com and junlifushi.com.

guochem.com shares name servers with other domains at least partially, for example jeetwin-bdt.com, sbgglobal.net, gama71426.xyz, bp-austria.com and pgairport.ca.

These name servers are commonly used with the name servers evan.ns.cloudflare.com and kristina.ns.cloudflare.com.

Host names with six IP numbers: host name naomi.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad0, 2803:f800:50::6ca2:c0d0, 2a06:98c1:50::ac40:20d0, 108.162.192.208, 172.64.32.208 and 173.245.58.208; host name oswald.ns.cloudflare.com points to: 2606:4700:58::adf5:3bda, 2803:f800:50::6ca2:c1da, 2a06:98c1:50::ac40:21da, 108.162.193.218, 172.64.33.218 and 173.245.59.218.

guochem.com - robtex.com

guochem.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`guochem.com`

`com`