🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`undersiders.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:18c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8168^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.140^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.104^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jill.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jill.ns.cloudflare.com`
		A	108.162.192.122^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	172.64.32.122^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
		A	173.245.58.122^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jill.ns.cloudflare.com`
NS	`rick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rick.ns.cloudflare.com`
		A	108.162.193.139^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	172.64.33.139^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	173.245.59.139^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com` ⭐
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`MS=ms40199564`
TXT	`v=spf1 a:my.undersiders.com a mx include:spf.improvmx.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.140, 172.67.129.104
		IPv6 hints	2606:4700:3036::6815:18c, 2606:4700:3036::ac43:8168
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOA	`jill.ns.cloudflare.com`dns@cloudflare.com serial=2415885127

`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=1790483129

Same first word

undersiders.com

Previous names

Next names

DNS History

16 records (8 active, 8 former)

●NSjill.ns.cloudflare.com2015-05-21 → 2026-09-27 · 2 obs

● 2015-05-21 23:14:20
● 2026-09-27 04:42:14

●NSrick.ns.cloudflare.com2015-05-21 → 2026-09-27 · 2 obs

● 2015-05-21 23:14:20
● 2026-09-27 04:42:14

○MXalt1.aspmx.l.google.com2017-04-18 → 2017-04-18 · 4 obs

○ 2016-04-10 03:57:52
● 2017-04-18 10:25:28
○ 2026-09-19 17:26:08
○ 2026-09-27 04:42:14

○MXalt2.aspmx.l.google.com2017-04-18 → 2017-04-18 · 4 obs

○ 2016-04-10 03:57:52
● 2017-04-18 10:25:28
○ 2026-09-19 17:26:08
○ 2026-09-27 04:42:14

○MXaspmx.l.google.com2017-04-18 → 2017-04-18 · 4 obs

○ 2016-04-10 03:57:52
● 2017-04-18 10:25:28
○ 2026-09-19 17:26:08
○ 2026-09-27 04:42:14

○MXaspmx3.googlemail.com2017-04-18 → 2017-04-18 · 4 obs

○ 2016-04-10 03:57:52
● 2017-04-18 10:25:28
○ 2026-09-19 17:26:08
○ 2026-09-27 04:42:14

○MXmailstore1.secureserver.net2015-05-21 → 2016-04-10 · 4 obs

● 2015-05-21 23:14:20
● 2016-04-10 03:57:52
○ 2017-04-18 10:25:28
○ 2026-09-27 04:42:14

●MXmx1.improvmx.com2026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

●MXmx2.improvmx.com2026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

○MXsmtp.secureserver.net2015-05-21 → 2016-04-10 · 4 obs

● 2015-05-21 23:14:20
● 2016-04-10 03:57:52
○ 2017-04-18 10:25:28
○ 2026-09-27 04:42:14

●A104.21.1.1402026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

○A104.28.8.232015-05-21 → 2016-04-10 · 4 obs

● 2015-05-21 23:14:20
● 2016-04-10 03:57:52
○ 2017-04-18 10:25:28
○ 2026-09-27 04:42:14

○A104.28.9.232015-05-21 → 2016-04-10 · 4 obs

● 2015-05-21 23:14:20
● 2016-04-10 03:57:52
○ 2017-04-18 10:25:28
○ 2026-09-27 04:42:14

●A172.67.129.1042026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

●A2606:4700:3036::6815:18c2026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

●A2606:4700:3036::ac43:81682026-09-19 → 2026-09-27 · 3 obs

○ 2017-04-18 10:25:28
● 2026-09-19 17:26:08
● 2026-09-27 04:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...	-
undersiders.com	jill.ns.cloudflare.com, rick.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.122

NS records: jill.ns.cloudflare.com, rick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for undersiders.com (unsigned zone)

⏱️ Timing

Total: 878ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.104, 104.21.1.140`
AAAA	2	`2606:4700:3036::ac43:8168, 2606:4700:3036::6815:18c`
NS	2	`jill.ns.cloudflare.com, rick.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 1), mx2.improvmx.com (pri: 1)`
TXT	2	`MS=ms40199564, v=spf1 a:my.undersiders.com a mx include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jill.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

undersiders.com has four IP addresses: 104.21.1.140, 172.67.129.104, 2606:4700:3036::6815:18c and 2606:4700:3036::ac43:8168.

Additional host names — lhlssc.com, bizlearncourse.space, affordfire.com and two others — share IP numbers with undersiders.com.

Name Servers

Two name servers handle the delegation for undersiders.com: jill.ns.cloudflare.com and rick.ns.cloudflare.com.

undersiders.com shares its name server setup with other domains, including birpo.me, yehotr.rest, fothet.rest and two others.

undersiders.com has at least partial name server overlap with other domains, such as pp1102a.cc, instant-fr.fr, hikethelycian.com and two others.

It is common to find these name servers paired with the name servers kate.ns.cloudflare.com.

Host names with 6 IP numbers:

jill.ns.cloudflare.com resolves to 108.162.192.122, 172.64.32.122 and 173.245.58.122 among others, with 3 other IP addresses in total.

rick.ns.cloudflare.com resolves to 108.162.193.139, 172.64.33.139 and 173.245.59.139 among others, with 3 other IP addresses in total.

Mail Servers

undersiders.com has two mail servers: mx1.improvmx.com and mx2.improvmx.com.

undersiders.com shares the same mail server setup as other domains, including newdigitalfibra.com.br, lightwrkfit.com, getcollabapp.com and two others.

undersiders.com uses mail servers that are also used by other domains, including rootlearn.tech, tg-drama.com and repairslink.com.

Host names with 6 IP numbers:

mx1.improvmx.com resolves to 13.37.195.136, 15.236.236.160 and 35.181.18.45 among others, with 3 other IP addresses in total.

mx2.improvmx.com resolves to 13.36.107.63, 13.36.222.39 and 15.236.61.92 among others, with 3 other IP addresses in total.

undersiders.com - robtex.com

undersiders.com

com

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`undersiders.com`

`com`